| Middle Island to Port Chester (New York) | 38.60 mi (62.13 km) |
| Middle Island to Port Hueneme (California) | 2,546.95 mi (4,098.93 km) |
| Middle Island to Port Huron (Michigan) | 508.67 mi (818.63 km) |
| Middle Island to Port Lavaca (Texas) | 1,581.31 mi (2,544.87 km) |
| Middle Island to Port Neches (Texas) | 1,396.42 mi (2,247.32 km) |
| Middle Island to Port Orange (Florida) | 932.07 mi (1,500.03 km) |
| Middle Island to Port Orchard (Washington) | 2,461.38 mi (3,961.21 km) |
| Middle Island to Port Royal (South Carolina) | 728.97 mi (1,173.17 km) |
| Middle Island to Port Salerno (Florida) | 1,035.03 mi (1,665.71 km) |
| Middle Island to Port St. John (Florida) | 965.87 mi (1,554.42 km) |
| Middle Island to Port St. Lucie (Florida) | 1,031.05 mi (1,659.32 km) |
| Middle Island to Port Washington (New York) | 38.42 mi (61.84 km) |
| Middle Island to Port Washington (Wisconsin) | 783.56 mi (1,261.01 km) |
| Middle Island to Port Wentworth (Georgia) | 754.51 mi (1,214.27 km) |
| Middle Island to Portage (Indiana) | 740.33 mi (1,191.45 km) |
