| Gaithersburg to Warminster | 3,583.97 mi (5,767.84 km) |
| Gaithersburg to Warrington | 3,523.92 mi (5,671.20 km) |
| Gaithersburg to Warsop | 3,584.68 mi (5,768.98 km) |
| Gaithersburg to Warwick | 3,585.76 mi (5,770.72 km) |
| Gaithersburg to Washington | 3,537.66 mi (5,693.32 km) |
| Gaithersburg to Waterlooville | 3,638.48 mi (5,855.57 km) |
| Gaithersburg to Watford | 3,647.40 mi (5,869.93 km) |
| Gaithersburg to Wath upon Dearne | 3,571.16 mi (5,747.23 km) |
| Gaithersburg to Wealdstone | 3,651.17 mi (5,875.99 km) |
| Gaithersburg to Wednesfield | 3,559.45 mi (5,728.38 km) |
| Gaithersburg to Welling | 3,672.31 mi (5,910.01 km) |
| Gaithersburg to Wellingborough | 3,621.47 mi (5,828.20 km) |
| Gaithersburg to Wellington | 3,545.54 mi (5,706.00 km) |
| Gaithersburg to Wellington | 3,540.08 mi (5,697.20 km) |
| Gaithersburg to Wells | 3,564.73 mi (5,736.88 km) |
