| Seia to Hazebrouck | 865.48 mi (1,392.85 km) |
| Seia to Hellemmes-Lille | 876.26 mi (1,410.20 km) |
| Seia to Hem | 879.89 mi (1,416.05 km) |
| Seia to Hendaye | 366.10 mi (589.18 km) |
| Seia to Henin-Beaumont | 860.87 mi (1,385.44 km) |
| Seia to Hennebont | 555.02 mi (893.22 km) |
| Seia to Hericourt | 870.26 mi (1,400.55 km) |
| Seia to Herouville-Saint-Clair | 705.59 mi (1,135.54 km) |
| Seia to Hirson | 869.93 mi (1,400.01 km) |
| Seia to Hoenheim | 946.23 mi (1,522.81 km) |
| Seia to Houilles | 761.22 mi (1,225.06 km) |
| Seia to Hyeres | 735.88 mi (1,184.29 km) |
| Seia to Ifs | 701.09 mi (1,128.29 km) |
| Seia to Igny | 753.17 mi (1,212.11 km) |
| Seia to Illkirch-Graffenstaden | 941.53 mi (1,515.24 km) |
