| Glenmont to Portage (Michigan) | 497.14 mi (800.07 km) |
| Glenmont to Portage (Wisconsin) | 714.01 mi (1,149.08 km) |
| Glenmont to Portales (New Mexico) | 1,491.98 mi (2,401.12 km) |
| Glenmont to Porterville (California) | 2,288.44 mi (3,682.88 km) |
| Glenmont to Portland (Maine) | 473.77 mi (762.47 km) |
| Glenmont to Portland (Oregon) | 2,340.31 mi (3,766.37 km) |
| Glenmont to Portland (Tennessee) | 544.46 mi (876.23 km) |
| Glenmont to Portland (Texas) | 1,395.64 mi (2,246.06 km) |
| Glenmont to Portsmouth (New Hampshire) | 426.89 mi (687.01 km) |
| Glenmont to Portsmouth (Ohio) | 317.77 mi (511.41 km) |
| Glenmont to Portsmouth (Virginia) | 158.16 mi (254.53 km) |
| Glenmont to Post Falls (Idaho) | 2,064.59 mi (3,322.63 km) |
| Glenmont to Potomac (Maryland) | 8.81 mi (14.17 km) |
| Glenmont to Potomac Park (California) | 2,300.22 mi (3,701.85 km) |
| Glenmont to Pottstown (Pennsylvania) | 110.55 mi (177.91 km) |
