| Glenmont to Petersburg (Virginia) | 130.25 mi (209.61 km) |
| Glenmont to Pflugerville (Texas) | 1,305.70 mi (2,101.32 km) |
| Glenmont to Pharr (Texas) | 1,513.03 mi (2,434.99 km) |
| Glenmont to Phelan (California) | 2,244.85 mi (3,612.73 km) |
| Glenmont to Phenix City (Alabama) | 638.81 mi (1,028.06 km) |
| Glenmont to Philadelphia (Pennsylvania) | 120.77 mi (194.37 km) |
| Glenmont to Phillipsburg (New Jersey) | 149.31 mi (240.30 km) |
| Glenmont to Phoenix (Arizona) | 1,974.77 mi (3,178.09 km) |
| Glenmont to Phoenixville (Pennsylvania) | 109.68 mi (176.51 km) |
| Glenmont to Picayune (Mississippi) | 926.33 mi (1,490.78 km) |
| Glenmont to Pickerington (Ohio) | 310.25 mi (499.30 km) |
| Glenmont to Pico Rivera (California) | 2,285.94 mi (3,678.87 km) |
| Glenmont to Piedmont (California) | 2,421.04 mi (3,896.29 km) |
| Glenmont to Pierre (South Dakota) | 1,250.03 mi (2,011.73 km) |
| Glenmont to Pike Creek Valley (Delaware) | 85.18 mi (137.08 km) |
