| Risca to Port Chester (New York) | 3,311.26 mi (5,328.96 km) |
| Risca to Port Hueneme (California) | 5,364.87 mi (8,633.92 km) |
| Risca to Port Huron (Michigan) | 3,579.38 mi (5,760.46 km) |
| Risca to Port Lavaca (Texas) | 4,837.56 mi (7,785.30 km) |
| Risca to Port Neches (Texas) | 4,659.93 mi (7,499.44 km) |
| Risca to Port Orange (Florida) | 4,169.28 mi (6,709.81 km) |
| Risca to Port Orchard (Washington) | 4,713.61 mi (7,585.83 km) |
| Risca to Port Royal (South Carolina) | 3,997.66 mi (6,433.62 km) |
| Risca to Port Salerno (Florida) | 4,231.92 mi (6,810.62 km) |
| Risca to Port St. John (Florida) | 4,192.03 mi (6,746.41 km) |
| Risca to Port St. Lucie (Florida) | 4,233.70 mi (6,813.48 km) |
| Risca to Port Washington (New York) | 3,319.19 mi (5,341.72 km) |
| Risca to Port Washington (Wisconsin) | 3,772.29 mi (6,070.92 km) |
| Risca to Port Wentworth (Georgia) | 4,026.15 mi (6,479.47 km) |
| Risca to Portage (Indiana) | 3,826.71 mi (6,158.49 km) |
