| Mackworth to Port Chester (New York) | 3,348.50 mi (5,388.89 km) |
| Mackworth to Port Hueneme (California) | 5,354.79 mi (8,617.70 km) |
| Mackworth to Port Huron (Michigan) | 3,602.67 mi (5,797.94 km) |
| Mackworth to Port Lavaca (Texas) | 4,865.21 mi (7,829.79 km) |
| Mackworth to Port Neches (Texas) | 4,689.36 mi (7,546.80 km) |
| Mackworth to Port Orange (Florida) | 4,216.85 mi (6,786.36 km) |
| Mackworth to Port Orchard (Washington) | 4,683.99 mi (7,538.15 km) |
| Mackworth to Port Royal (South Carolina) | 4,040.92 mi (6,503.23 km) |
| Mackworth to Port Salerno (Florida) | 4,283.26 mi (6,893.24 km) |
| Mackworth to Port St. John (Florida) | 4,240.74 mi (6,824.82 km) |
| Mackworth to Port St. Lucie (Florida) | 4,284.60 mi (6,895.39 km) |
| Mackworth to Port Washington (New York) | 3,356.76 mi (5,402.18 km) |
| Mackworth to Port Washington (Wisconsin) | 3,788.61 mi (6,097.17 km) |
| Mackworth to Port Wentworth (Georgia) | 4,069.02 mi (6,548.45 km) |
| Mackworth to Portage (Indiana) | 3,846.99 mi (6,191.14 km) |
