| Echelon to Port Chester (New York) | 106.14 mi (170.81 km) |
| Echelon to Port Hueneme (California) | 2,445.56 mi (3,935.74 km) |
| Echelon to Port Huron (Michigan) | 442.05 mi (711.42 km) |
| Echelon to Port Lavaca (Texas) | 1,453.10 mi (2,338.54 km) |
| Echelon to Port Neches (Texas) | 1,267.88 mi (2,040.46 km) |
| Echelon to Port Orange (Florida) | 816.85 mi (1,314.59 km) |
| Echelon to Port Orchard (Washington) | 2,400.34 mi (3,862.98 km) |
| Echelon to Port Royal (South Carolina) | 607.54 mi (977.73 km) |
| Echelon to Port Salerno (Florida) | 926.78 mi (1,491.50 km) |
| Echelon to Port St. John (Florida) | 852.67 mi (1,372.24 km) |
| Echelon to Port St. Lucie (Florida) | 921.74 mi (1,483.40 km) |
| Echelon to Port Washington (New York) | 96.95 mi (156.02 km) |
| Echelon to Port Washington (Wisconsin) | 708.32 mi (1,139.93 km) |
| Echelon to Port Wentworth (Georgia) | 631.88 mi (1,016.92 km) |
| Echelon to Portage (Indiana) | 648.67 mi (1,043.94 km) |
