| Louth to Port Chester (New York) | 3,400.58 mi (5,472.71 km) |
| Louth to Port Hueneme (California) | 5,381.79 mi (8,661.16 km) |
| Louth to Port Huron (Michigan) | 3,648.19 mi (5,871.19 km) |
| Louth to Port Lavaca (Texas) | 4,912.36 mi (7,905.68 km) |
| Louth to Port Neches (Texas) | 4,737.41 mi (7,624.13 km) |
| Louth to Port Orange (Florida) | 4,273.07 mi (6,876.84 km) |
| Louth to Port Orchard (Washington) | 4,699.42 mi (7,562.99 km) |
| Louth to Port Royal (South Carolina) | 4,095.38 mi (6,590.87 km) |
| Louth to Port Salerno (Florida) | 4,340.99 mi (6,986.15 km) |
| Louth to Port St. John (Florida) | 4,297.42 mi (6,916.04 km) |
| Louth to Port St. Lucie (Florida) | 4,342.15 mi (6,988.02 km) |
| Louth to Port Washington (New York) | 3,408.99 mi (5,486.24 km) |
| Louth to Port Washington (Wisconsin) | 3,830.58 mi (6,164.73 km) |
| Louth to Port Wentworth (Georgia) | 4,123.30 mi (6,635.81 km) |
| Louth to Portage (Indiana) | 3,890.93 mi (6,261.85 km) |
