| Potomac to Hazebrouck | 3,793.35 mi (6,104.80 km) |
| Potomac to Hellemmes-Lille | 3,819.07 mi (6,146.20 km) |
| Potomac to Hem | 3,821.57 mi (6,150.22 km) |
| Potomac to Hendaye | 3,796.10 mi (6,109.24 km) |
| Potomac to Henin-Beaumont | 3,817.74 mi (6,144.05 km) |
| Potomac to Hennebont | 3,616.39 mi (5,820.01 km) |
| Potomac to Hericourt | 4,054.06 mi (6,524.39 km) |
| Potomac to Herouville-Saint-Clair | 3,710.88 mi (5,972.08 km) |
| Potomac to Hirson | 3,877.13 mi (6,239.63 km) |
| Potomac to Hoenheim | 4,064.68 mi (6,541.46 km) |
| Potomac to Houilles | 3,824.04 mi (6,154.20 km) |
| Potomac to Hyeres | 4,162.93 mi (6,699.59 km) |
| Potomac to Ifs | 3,711.27 mi (5,972.72 km) |
| Potomac to Igny | 3,830.34 mi (6,164.33 km) |
| Potomac to Illkirch-Graffenstaden | 4,066.02 mi (6,543.62 km) |
