| Roudnice nad Labem to Port Chester (New York) | 4,039.13 mi (6,500.36 km) |
| Roudnice nad Labem to Port Hueneme (California) | 5,940.32 mi (9,560.02 km) |
| Roudnice nad Labem to Port Huron (Michigan) | 4,276.37 mi (6,882.16 km) |
| Roudnice nad Labem to Port Lavaca (Texas) | 5,543.02 mi (8,920.63 km) |
| Roudnice nad Labem to Port Neches (Texas) | 5,369.94 mi (8,642.08 km) |
| Roudnice nad Labem to Port Orange (Florida) | 4,913.08 mi (7,906.84 km) |
| Roudnice nad Labem to Port Orchard (Washington) | 5,201.11 mi (8,370.38 km) |
| Roudnice nad Labem to Port Royal (South Carolina) | 4,735.30 mi (7,620.73 km) |
| Roudnice nad Labem to Port Salerno (Florida) | 4,980.25 mi (8,014.95 km) |
| Roudnice nad Labem to Port St. John (Florida) | 4,937.29 mi (7,945.81 km) |
| Roudnice nad Labem to Port St. Lucie (Florida) | 4,981.55 mi (8,017.02 km) |
| Roudnice nad Labem to Port Washington (New York) | 4,047.66 mi (6,514.08 km) |
| Roudnice nad Labem to Port Washington (Wisconsin) | 4,449.87 mi (7,161.38 km) |
| Roudnice nad Labem to Port Wentworth (Georgia) | 4,763.16 mi (7,665.57 km) |
| Roudnice nad Labem to Portage (Indiana) | 4,515.21 mi (7,266.54 km) |
