Matthew 24:14

And this gospel of the kingdom shall be preached in the whole habitable earth, for a testimony to all nations, and then shall the end come.

Romans 10:18

But I say: Have they not heard? Yes, verily; their voice has gone forth into all the earth: and -their words to the ends of the world.

Colossians 1:6

which is present among you, as it is also in all the world, and is producing fruit, even as it has been doing also among you, since the day you heard and knew the grace of God in truth,

Colossians 1:23

if you continue in the faith, founded and settled, and be not moved away from the hope of the gospel that you have heard, which has been preached to every creature under heaven, of which I, Paul, have been made a minister.

Matthew 4:23

And Jesus went about all Galilee, teaching in their synagogues, and preaching the gospel of the kingdom, and curing every disease, and every kind of sickness among the people.

Matthew 24:6

And you will hear of wars and rumors of wars: see that you be not troubled, for all things must be fulfilled; but the end is not yet.

Revelation 3:10

Because you have kept the word of my patience, I also will keep you from the hour of trial that is about to come on the whole world, to try those who dwell on the earth.

Revelation 14:6

And I saw another angel flying in mid-heaven, having the eternal gospel to preach to those who dwell on the earth, even to every nation and tribe and tongue and people;

Matthew 9:35

And Jesus went through all the cities and villages, teaching in their synagogues, and preaching the gospel of the kingdom, and curing every disease and every infirmity.

Matthew 10:7

And as you go, preach, saying: The kingdom of heaven is at hand.

Matthew 18:19

Again, I say to you, that if two of you agree on earth about any thing for which they will ask, it shall be done for them by my Father who is in heaven.

Matthew 24:3

And as he was sitting upon the mount of Olives, the disciples came to him privately, and said: Tell us, when shall these things be? and what shall be the sign of thy coming, and of the end of the age?

Mark 16:15-16

And he said to them: Go into all the world, and preach the gospel to every creature.

Luke 2:1

And it came to pass in those days, that there went forth a decree from Caesar Augustus, that all the inhabitants of the land should be enrolled.

Luke 4:5

And the devil took him up into a high mountain, and showed him all the kingdoms of the world, in a moment of time.

Luke 24:47

and that repentance and remission of sins should be preached in his name among all nations, beginning at Jerusalem.

Acts 1:2

till the day on which he was taken up, after he had, through the Holy Spirit, given commandments to the apostles whom he had chosen.

Acts 11:28

And one of them, named Agabus, rose and made known, by the Spirit, that a great famine was about to come on the whole habitable land; which took place in the days of Claudius.

Acts 17:6

But not finding them, they dragged Jason and certain brethren before the rulers of the city, crying out: These men, who have thrown the world into confusion, have come hither also;

Acts 20:25

And now, behold, I know that you all, among whom I have gone preaching the kingdom of God, will see my face no more.

Romans 15:18-21

For I will not dare to speak of any of those things which Christ has not accomplished through me, by word and deed, in order to make the Gentiles obedient,

Romans 16:25-26

Now to him who is able to strengthen you according to my gospel, even the preaching of Jesus Christ, according to the revelation of the mystery which was concealed during the times of the ages,

Revelation 16:14

For they are the spirits of demons that do signs, and they go forth to the kings of the whole world, to bring them together to the battle of that great day of God Almighty.

Treasury of Scripture Knowledge

Summary

And this gospel of the kingdom shall be preached in all the world for a witness unto all nations; and then shall the end come.

And then

General references

Bible References

This

Matthew 4:23
And Jesus went about all Galilee, teaching in their synagogues, and preaching the gospel of the kingdom, and curing every disease, and every kind of sickness among the people.
Matthew 9:35
And Jesus went through all the cities and villages, teaching in their synagogues, and preaching the gospel of the kingdom, and curing every disease and every infirmity.
Matthew 10:7
And as you go, preach, saying: The kingdom of heaven is at hand.
Acts 20:25
And now, behold, I know that you all, among whom I have gone preaching the kingdom of God, will see my face no more.

Shall be

Matthew 18:19
Again, I say to you, that if two of you agree on earth about any thing for which they will ask, it shall be done for them by my Father who is in heaven.
Mark 16:15
And he said to them: Go into all the world, and preach the gospel to every creature.
Luke 24:47
and that repentance and remission of sins should be preached in his name among all nations, beginning at Jerusalem.
Acts 1:2
till the day on which he was taken up, after he had, through the Holy Spirit, given commandments to the apostles whom he had chosen.
Romans 10:18
But I say: Have they not heard? Yes, verily; their voice has gone forth into all the earth: and -their words to the ends of the world.
Romans 15:18
For I will not dare to speak of any of those things which Christ has not accomplished through me, by word and deed, in order to make the Gentiles obedient,
Romans 16:25
Now to him who is able to strengthen you according to my gospel, even the preaching of Jesus Christ, according to the revelation of the mystery which was concealed during the times of the ages,
Colossians 1:6
which is present among you, as it is also in all the world, and is producing fruit, even as it has been doing also among you, since the day you heard and knew the grace of God in truth,
Revelation 14:6
And I saw another angel flying in mid-heaven, having the eternal gospel to preach to those who dwell on the earth, even to every nation and tribe and tongue and people;

And then

Matthew 24:3
And as he was sitting upon the mount of Olives, the disciples came to him privately, and said: Tell us, when shall these things be? and what shall be the sign of thy coming, and of the end of the age?

General references

Mark 13:10
And the gospel must first be preached among all the nations.
Luke 9:2
and he sent them to preach the kingdom of God, and to heal the sick.