| Cosham to Port Chester (New York) | 3,410.71 mi (5,489.00 km) |
| Cosham to Port Hueneme (California) | 5,465.62 mi (8,796.06 km) |
| Cosham to Port Huron (Michigan) | 3,681.08 mi (5,924.13 km) |
| Cosham to Port Lavaca (Texas) | 4,938.63 mi (7,947.95 km) |
| Cosham to Port Neches (Texas) | 4,760.73 mi (7,661.66 km) |
| Cosham to Port Orange (Florida) | 4,265.66 mi (6,864.92 km) |
| Cosham to Port Orchard (Washington) | 4,809.58 mi (7,740.28 km) |
| Cosham to Port Royal (South Carolina) | 4,095.43 mi (6,590.96 km) |
| Cosham to Port Salerno (Florida) | 4,326.95 mi (6,963.55 km) |
| Cosham to Port St. John (Florida) | 4,288.01 mi (6,900.89 km) |
| Cosham to Port St. Lucie (Florida) | 4,328.89 mi (6,966.67 km) |
| Cosham to Port Washington (New York) | 3,418.56 mi (5,501.64 km) |
| Cosham to Port Washington (Wisconsin) | 3,874.51 mi (6,235.42 km) |
| Cosham to Port Wentworth (Georgia) | 4,124.03 mi (6,636.99 km) |
| Cosham to Portage (Indiana) | 3,928.67 mi (6,322.58 km) |
