1 Corinthians 16:4

And if it be meet that I go also, they shall go with me (KJV)

Then: If things work out, Paul might travel with the carriers of the collection. Baker (p. 242) points out that it did happen (Acts 20), but it also started the process whereby Paul was eventually arrested for trial in Rome. Wright's discussion (p. 230) focuses on Paul's strategy for church unity. By getting to know each other, care for each other, and interact personally, the church would be strengthened.

Now: Due to geographic impossibilities and to problems with agreement as to practices and doctrines, unity is a philosophy more than an actuality. Usually, however, when pushed to a common truth, believers accept others as part of the body of Christ. "Even if....."