| Longford to Port Chester (New York) | 3,084.47 mi (4,963.98 km) |
| Longford to Port Hueneme (California) | 5,119.42 mi (8,238.91 km) |
| Longford to Port Huron (Michigan) | 3,342.13 mi (5,378.64 km) |
| Longford to Port Lavaca (Texas) | 4,603.24 mi (7,408.20 km) |
| Longford to Port Neches (Texas) | 4,426.85 mi (7,124.33 km) |
| Longford to Port Orange (Florida) | 3,953.24 mi (6,362.12 km) |
| Longford to Port Orchard (Washington) | 4,473.82 mi (7,199.92 km) |
| Longford to Port Royal (South Carolina) | 3,776.82 mi (6,078.21 km) |
| Longford to Port Salerno (Florida) | 4,020.47 mi (6,470.33 km) |
| Longford to Port St. John (Florida) | 3,977.34 mi (6,400.91 km) |
| Longford to Port St. Lucie (Florida) | 4,021.69 mi (6,472.29 km) |
| Longford to Port Washington (New York) | 3,092.71 mi (4,977.23 km) |
| Longford to Port Washington (Wisconsin) | 3,531.45 mi (5,683.33 km) |
| Longford to Port Wentworth (Georgia) | 3,804.90 mi (6,123.39 km) |
| Longford to Portage (Indiana) | 3,587.81 mi (5,774.02 km) |
