| Potomac to Eckington | 3,578.92 mi (5,759.71 km) |
| Potomac to Edgware | 3,657.86 mi (5,886.76 km) |
| Potomac to Edinburgh | 3,461.47 mi (5,570.69 km) |
| Potomac to Edmonton | 3,666.15 mi (5,900.10 km) |
| Potomac to Egg Buckland | 3,524.44 mi (5,672.04 km) |
| Potomac to Elgin | 3,431.55 mi (5,522.55 km) |
| Potomac to Elland | 3,552.90 mi (5,717.85 km) |
| Potomac to Ellesmere Port | 3,518.64 mi (5,662.70 km) |
| Potomac to Ellon | 3,480.30 mi (5,601.00 km) |
| Potomac to Eltham | 3,674.79 mi (5,914.01 km) |
| Potomac to Ely | 3,662.48 mi (5,894.19 km) |
| Potomac to Emsworth | 3,647.50 mi (5,870.09 km) |
| Potomac to Enfield | 3,664.93 mi (5,898.14 km) |
| Potomac to Enfield Lock | 3,666.80 mi (5,901.14 km) |
| Potomac to Englefield Green | 3,649.87 mi (5,873.91 km) |
