| Potomac to Darlaston | 3,566.27 mi (5,739.35 km) |
| Potomac to Darlington | 3,548.33 mi (5,710.49 km) |
| Potomac to Dartford | 3,681.89 mi (5,925.42 km) |
| Potomac to Darton | 3,566.88 mi (5,740.35 km) |
| Potomac to Darwen | 3,528.17 mi (5,678.03 km) |
| Potomac to Daventry | 3,608.18 mi (5,806.80 km) |
| Potomac to Davyhulme | 3,536.33 mi (5,691.18 km) |
| Potomac to Dawlish | 3,547.98 mi (5,709.92 km) |
| Potomac to Deal | 3,734.95 mi (6,010.82 km) |
| Potomac to Denby Dale | 3,562.31 mi (5,732.98 km) |
| Potomac to Denton | 3,546.48 mi (5,707.51 km) |
| Potomac to Derby | 3,582.10 mi (5,764.83 km) |
| Potomac to Derry | 3,316.39 mi (5,337.21 km) |
| Potomac to Desborough | 3,618.31 mi (5,823.11 km) |
| Potomac to Devizes | 3,593.06 mi (5,782.47 km) |
