| Duluth to Port Chester (New York) | 999.33 mi (1,608.27 km) |
| Duluth to Port Hueneme (California) | 1,655.66 mi (2,664.54 km) |
| Duluth to Port Huron (Michigan) | 541.91 mi (872.12 km) |
| Duluth to Port Lavaca (Texas) | 1,277.78 mi (2,056.38 km) |
| Duluth to Port Neches (Texas) | 1,164.74 mi (1,874.46 km) |
| Duluth to Port Orange (Florida) | 1,359.73 mi (2,188.27 km) |
| Duluth to Port Orchard (Washington) | 1,425.95 mi (2,294.85 km) |
| Duluth to Port Royal (South Carolina) | 1,165.00 mi (1,874.88 km) |
| Duluth to Port Salerno (Florida) | 1,504.18 mi (2,420.75 km) |
| Duluth to Port St. John (Florida) | 1,404.79 mi (2,260.79 km) |
| Duluth to Port St. Lucie (Florida) | 1,491.00 mi (2,399.53 km) |
| Duluth to Port Washington (New York) | 1,005.11 mi (1,617.56 km) |
| Duluth to Port Washington (Wisconsin) | 312.90 mi (503.56 km) |
| Duluth to Port Wentworth (Georgia) | 1,161.55 mi (1,869.34 km) |
| Duluth to Portage (Indiana) | 434.52 mi (699.29 km) |
