| Herndon to Port Chester (New York) | 241.89 mi (389.28 km) |
| Herndon to Port Hueneme (California) | 2,323.74 mi (3,739.70 km) |
| Herndon to Port Huron (Michigan) | 382.35 mi (615.33 km) |
| Herndon to Port Lavaca (Texas) | 1,311.79 mi (2,111.13 km) |
| Herndon to Port Neches (Texas) | 1,126.65 mi (1,813.18 km) |
| Herndon to Port Orange (Florida) | 712.12 mi (1,146.04 km) |
| Herndon to Port Orchard (Washington) | 2,318.69 mi (3,731.58 km) |
| Herndon to Port Royal (South Carolina) | 493.36 mi (793.98 km) |
| Herndon to Port Salerno (Florida) | 832.78 mi (1,340.23 km) |
| Herndon to Port St. John (Florida) | 751.13 mi (1,208.82 km) |
| Herndon to Port St. Lucie (Florida) | 826.04 mi (1,329.38 km) |
| Herndon to Port Washington (New York) | 234.78 mi (377.85 km) |
| Herndon to Port Washington (Wisconsin) | 624.74 mi (1,005.42 km) |
| Herndon to Port Wentworth (Georgia) | 514.65 mi (828.25 km) |
| Herndon to Portage (Indiana) | 546.56 mi (879.60 km) |
