1 Thessalonians 1:7 establishes the Thessalonians as an example to Macedonia and Achaia, which verse 8 then expands to every place.

Romans 1:8 shows Paul giving the same praise: their faith is spoken of throughout the whole world, reinforcing the widespread report.

In Romans 10:18, Paul cites Psalm 19 about the gospel message reaching all the earth — parallel to the Thessalonians' faith sounding forth.

In 1 Corinthians 14:36, Paul questions if the word came from them — contrasting with the Thessalonians from whom it genuinely spread.

2 Corinthians 3:4 uses the identical phrase 'trust... to God-ward,' directly paralleling the faith expression used here.

In 2 Thessalonians 3:1, Paul asks prayer that the word may spread as it did among the Thessalonians — directly linking back.

Acts 4:17 shows authorities trying to stop the gospel from spreading—contrasting with the unhindered spread of the word from Thessalonica.

Romans 16:19 states that the Romans' obedience is known to all—a direct parallel to the Thessalonians' faith being known everywhere.

2 Corinthians 3:2 says the Corinthians are a letter known by everyone—a direct parallel to the Thessalonians' faith being known everywhere.

Acts 16:9 records the Macedonian call that first brought the gospel to Thessalonica—the origin of the widespread faith mentioned here.

2 Thessalonians 1:4 adds that Paul boasts of their faith and patience under persecution—a reason their faith is so well known.