| Potomac to Glen Burnie (Maryland) | 32.98 mi (53.08 km) |
| Potomac to Glen Carbon (Illinois) | 687.42 mi (1,106.30 km) |
| Potomac to Glen Cove (New York) | 228.30 mi (367.41 km) |
| Potomac to Glen Ellyn (Illinois) | 604.04 mi (972.11 km) |
| Potomac to Glen Rock (New Jersey) | 210.88 mi (339.37 km) |
| Potomac to Glendale (Arizona) | 1,974.29 mi (3,177.32 km) |
| Potomac to Glendale (California) | 2,282.09 mi (3,672.68 km) |
| Potomac to Glendale (Wisconsin) | 626.55 mi (1,008.34 km) |
| Potomac to Glendale Heights (Illinois) | 605.80 mi (974.94 km) |
| Potomac to Glendora (California) | 2,261.58 mi (3,639.66 km) |
| Potomac to Glenmont (Maryland) | 8.81 mi (14.17 km) |
| Potomac to Glenn Dale (Maryland) | 21.07 mi (33.90 km) |
| Potomac to Glenn Heights (Texas) | 1,185.94 mi (1,908.58 km) |
| Potomac to Glenpool (Oklahoma) | 1,050.88 mi (1,691.23 km) |
| Potomac to Glens Falls (New York) | 349.50 mi (562.47 km) |
