| Roman to Port Chester (New York) | 4,655.87 mi (7,492.90 km) |
| Roman to Port Hueneme (California) | 6,452.03 mi (10,383.54 km) |
| Roman to Port Huron (Michigan) | 4,877.14 mi (7,849.01 km) |
| Roman to Port Lavaca (Texas) | 6,145.05 mi (9,889.51 km) |
| Roman to Port Neches (Texas) | 5,975.05 mi (9,615.91 km) |
| Roman to Port Orange (Florida) | 5,535.87 mi (8,909.12 km) |
| Roman to Port Orchard (Washington) | 5,658.46 mi (9,106.41 km) |
| Roman to Port Royal (South Carolina) | 5,355.65 mi (8,619.09 km) |
| Roman to Port Salerno (Florida) | 5,604.58 mi (9,019.70 km) |
| Roman to Port St. John (Florida) | 5,560.62 mi (8,948.95 km) |
| Roman to Port St. Lucie (Florida) | 5,605.73 mi (9,021.54 km) |
| Roman to Port Washington (New York) | 4,664.66 mi (7,507.04 km) |
| Roman to Port Washington (Wisconsin) | 5,039.17 mi (8,109.75 km) |
| Roman to Port Wentworth (Georgia) | 5,383.22 mi (8,663.45 km) |
| Roman to Portage (Indiana) | 5,110.47 mi (8,224.51 km) |
