| Potomac to Droylsden | 3,544.14 mi (5,703.74 km) |
| Potomac to Dudley | 3,565.77 mi (5,738.55 km) |
| Potomac to Dukinfield | 3,547.29 mi (5,708.81 km) |
| Potomac to Dumbarton | 3,409.53 mi (5,487.11 km) |
| Potomac to Dumfries | 3,459.86 mi (5,568.11 km) |
| Potomac to Dunbar | 3,485.96 mi (5,610.11 km) |
| Potomac to Dunblane | 3,428.67 mi (5,517.91 km) |
| Potomac to Dundee | 3,461.70 mi (5,571.07 km) |
| Potomac to Dunfermline | 3,450.21 mi (5,552.57 km) |
| Potomac to Dunstable | 3,641.98 mi (5,861.20 km) |
| Potomac to Durham | 3,542.97 mi (5,701.86 km) |
| Potomac to Ealing | 3,659.02 mi (5,888.63 km) |
| Potomac to Earlestown | 3,525.28 mi (5,673.39 km) |
| Potomac to Earley | 3,634.96 mi (5,849.91 km) |
| Potomac to East Barnet | 3,661.80 mi (5,893.09 km) |
