| Duchcov to Port Chester (New York) | 4,013.35 mi (6,458.87 km) |
| Duchcov to Port Hueneme (California) | 5,916.80 mi (9,522.17 km) |
| Duchcov to Port Huron (Michigan) | 4,250.72 mi (6,840.87 km) |
| Duchcov to Port Lavaca (Texas) | 5,517.33 mi (8,879.29 km) |
| Duchcov to Port Neches (Texas) | 5,344.21 mi (8,600.67 km) |
| Duchcov to Port Orange (Florida) | 4,887.42 mi (7,865.54 km) |
| Duchcov to Port Orchard (Washington) | 5,179.43 mi (8,335.49 km) |
| Duchcov to Port Royal (South Carolina) | 4,709.56 mi (7,579.31 km) |
| Duchcov to Port Salerno (Florida) | 4,954.70 mi (7,973.81 km) |
| Duchcov to Port St. John (Florida) | 4,911.66 mi (7,904.56 km) |
| Duchcov to Port St. Lucie (Florida) | 4,955.97 mi (7,975.87 km) |
| Duchcov to Port Washington (New York) | 4,021.88 mi (6,472.59 km) |
| Duchcov to Port Washington (Wisconsin) | 4,424.43 mi (7,120.42 km) |
| Duchcov to Port Wentworth (Georgia) | 4,737.42 mi (7,624.14 km) |
| Duchcov to Portage (Indiana) | 4,489.65 mi (7,225.39 km) |
