| Columbia to Port Chester (New York) | 623.17 mi (1,002.90 km) |
| Columbia to Port Hueneme (California) | 2,178.09 mi (3,505.30 km) |
| Columbia to Port Huron (Michigan) | 623.51 mi (1,003.44 km) |
| Columbia to Port Lavaca (Texas) | 999.33 mi (1,608.26 km) |
| Columbia to Port Neches (Texas) | 813.28 mi (1,308.84 km) |
| Columbia to Port Orange (Florida) | 340.64 mi (548.21 km) |
| Columbia to Port Orchard (Washington) | 2,340.32 mi (3,766.38 km) |
| Columbia to Port Royal (South Carolina) | 116.80 mi (187.97 km) |
| Columbia to Port Salerno (Florida) | 478.06 mi (769.36 km) |
| Columbia to Port St. John (Florida) | 384.34 mi (618.54 km) |
| Columbia to Port St. Lucie (Florida) | 467.95 mi (753.09 km) |
| Columbia to Port Washington (New York) | 613.73 mi (987.71 km) |
| Columbia to Port Washington (Wisconsin) | 746.84 mi (1,201.92 km) |
| Columbia to Port Wentworth (Georgia) | 128.46 mi (206.74 km) |
| Columbia to Portage (Indiana) | 623.55 mi (1,003.50 km) |
