2 Corinthians 11:28

Beside those things that are without, my daily combat is the welfare of all the congregations .

Acts 15:36

And some days after, Paul said unto Barnabas, Let us go again and visit our brethren in every city where we have preached the word of the Lord and see how they do.

Acts 15:40-41

and Paul chose Silas and departed, being recommended by the brethren unto the grace of God.

Acts 18:23

And after he had spent some time there, he departed and went over all the country of Galatia and Phrygia in order, confirming all the disciples.

Acts 20:2

And when he had gone over those parts and had exhorted them with much word, he came into Greece

Acts 20:18-35

And when they were come to him, he said unto them, Ye know, from the first day that I came into Asia, after what manner I have been with you at all seasons,

Romans 1:14

I am debtor both to the Greeks and to the Barbarians; both to the wise and to the unwise.

Romans 11:13

For (I call you Gentiles) inasmuch as I am truly the apostle of the Gentiles, my honorable ministry,

Romans 15:16

being the minister of Jesus Christ, to the Gentiles, ministering the gospel of God, that the offering of the Gentiles might be well pleasing, sanctified by the Holy Spirit.

Romans 16:4

(who have for my life laid down their own necks; unto whom not only I give thanks, but also all the congregations of the Gentiles);

1 Corinthians 7:17

But as God has distributed to each one, as the Lord has called each one, so let them walk. And so I ordain in all the congregations .

Colossians 2:1

For I would that ye knew what great conflict I have for you and for those at Laodicea and for as many as have not seen my face in the flesh,

Treasury of Scripture Knowledge

Summary

Beside those things that are without, that which cometh upon me daily, the care of all the churches.

Bible References

Those

2 Corinthians 11:23
Are they ministers of Christ? (I speak as a fool) I am more, in labours more abundant, in stripes above measure, in prisons more frequent, in deaths often.

The care

Acts 15:36
And some days after, Paul said unto Barnabas, Let us go again and visit our brethren in every city where we have preached the word of the Lord and see how they do.
Acts 18:23
And after he had spent some time there, he departed and went over all the country of Galatia and Phrygia in order, confirming all the disciples.
Acts 20:2
And when he had gone over those parts and had exhorted them with much word, he came into Greece
Romans 1:14
I am debtor both to the Greeks and to the Barbarians; both to the wise and to the unwise.
Romans 11:13
For (I call you Gentiles) inasmuch as I am truly the apostle of the Gentiles, my honorable ministry,
Romans 15:16
being the minister of Jesus Christ, to the Gentiles, ministering the gospel of God, that the offering of the Gentiles might be well pleasing, sanctified by the Holy Spirit.
Romans 16:4
(who have for my life laid down their own necks; unto whom not only I give thanks, but also all the congregations of the Gentiles);
Colossians 2:1
For I would that ye knew what great conflict I have for you and for those at Laodicea and for as many as have not seen my face in the flesh,

General references

1 Corinthians 10:33
even as I please everyone in all things, not seeking my own profit, but the profit of many, that they may be saved.
1 Corinthians 12:26
And if one member suffers, all the members suffer together; or if one member is honoured, all the members rejoice together.