| Potomac to Warminster | 3,588.52 mi (5,775.16 km) |
| Potomac to Warrington | 3,528.78 mi (5,679.02 km) |
| Potomac to Warsop | 3,589.54 mi (5,776.81 km) |
| Potomac to Warwick | 3,590.48 mi (5,778.31 km) |
| Potomac to Washington | 3,542.77 mi (5,701.53 km) |
| Potomac to Waterlooville | 3,643.02 mi (5,862.87 km) |
| Potomac to Watford | 3,652.07 mi (5,877.44 km) |
| Potomac to Wath upon Dearne | 3,576.07 mi (5,755.13 km) |
| Potomac to Wealdstone | 3,655.83 mi (5,883.48 km) |
| Potomac to Wednesfield | 3,564.20 mi (5,736.03 km) |
| Potomac to Welling | 3,676.96 mi (5,917.49 km) |
| Potomac to Wellingborough | 3,626.22 mi (5,835.84 km) |
| Potomac to Wellington | 3,550.02 mi (5,713.21 km) |
| Potomac to Wellington | 3,544.84 mi (5,704.86 km) |
| Potomac to Wells | 3,569.26 mi (5,744.17 km) |
