| Key Largo to Port Chester (New York) | 1,163.82 mi (1,872.99 km) |
| Key Largo to Port Hueneme (California) | 2,396.22 mi (3,856.34 km) |
| Key Largo to Port Huron (Michigan) | 1,239.32 mi (1,994.50 km) |
| Key Largo to Port Lavaca (Texas) | 1,027.27 mi (1,653.24 km) |
| Key Largo to Port Neches (Texas) | 893.54 mi (1,438.01 km) |
| Key Largo to Port Orange (Florida) | 277.89 mi (447.21 km) |
| Key Largo to Port Orchard (Washington) | 2,765.61 mi (4,450.82 km) |
| Key Largo to Port Royal (South Carolina) | 500.08 mi (804.80 km) |
| Key Largo to Port Salerno (Florida) | 140.50 mi (226.12 km) |
| Key Largo to Port St. John (Florida) | 232.99 mi (374.96 km) |
| Key Largo to Port St. Lucie (Florida) | 149.06 mi (239.88 km) |
| Key Largo to Port Washington (New York) | 1,152.20 mi (1,854.29 km) |
| Key Largo to Port Washington (Wisconsin) | 1,330.60 mi (2,141.40 km) |
| Key Largo to Port Wentworth (Georgia) | 491.00 mi (790.18 km) |
| Key Largo to Portage (Indiana) | 1,201.66 mi (1,933.88 km) |
