| Glenmont to Port Chester (New York) | 223.19 mi (359.18 km) |
| Glenmont to Port Hueneme (California) | 2,341.31 mi (3,767.98 km) |
| Glenmont to Port Huron (Michigan) | 389.79 mi (627.31 km) |
| Glenmont to Port Lavaca (Texas) | 1,331.19 mi (2,142.34 km) |
| Glenmont to Port Neches (Texas) | 1,146.00 mi (1,844.31 km) |
| Glenmont to Port Orange (Florida) | 724.51 mi (1,165.98 km) |
| Glenmont to Port Orchard (Washington) | 2,331.13 mi (3,751.58 km) |
| Glenmont to Port Royal (South Carolina) | 507.10 mi (816.09 km) |
| Glenmont to Port Salerno (Florida) | 843.52 mi (1,357.52 km) |
| Glenmont to Port St. John (Florida) | 763.02 mi (1,227.97 km) |
| Glenmont to Port St. Lucie (Florida) | 837.05 mi (1,347.10 km) |
| Glenmont to Port Washington (New York) | 215.85 mi (347.38 km) |
| Glenmont to Port Washington (Wisconsin) | 636.56 mi (1,024.45 km) |
| Glenmont to Port Wentworth (Georgia) | 528.98 mi (851.32 km) |
| Glenmont to Portage (Indiana) | 560.93 mi (902.73 km) |
