| Potomac to Heist-op-den-Berg | 3,872.63 mi (6,232.40 km) |
| Potomac to Hemiksem | 3,856.16 mi (6,205.88 km) |
| Potomac to Herent | 3,875.31 mi (6,236.71 km) |
| Potomac to Herentals | 3,874.74 mi (6,235.79 km) |
| Potomac to Herenthout | 3,872.92 mi (6,232.87 km) |
| Potomac to Herk-de-Stad | 3,894.49 mi (6,267.58 km) |
| Potomac to Herselt | 3,880.20 mi (6,244.58 km) |
| Potomac to Herstal | 3,920.55 mi (6,309.51 km) |
| Potomac to Herve | 3,928.17 mi (6,321.78 km) |
| Potomac to Herzele | 3,844.10 mi (6,186.48 km) |
| Potomac to Heule | 3,818.96 mi (6,146.03 km) |
| Potomac to Heusden | 3,837.06 mi (6,175.15 km) |
| Potomac to Hoboken | 3,856.40 mi (6,206.28 km) |
| Potomac to Hoeilaart | 3,870.73 mi (6,229.34 km) |
| Potomac to Hoeselt | 3,909.61 mi (6,291.91 km) |
