| Caernarfon to Hazebrouck | 334.45 mi (538.25 km) |
| Caernarfon to Hellemmes-Lille | 359.17 mi (578.03 km) |
| Caernarfon to Hem | 361.10 mi (581.13 km) |
| Caernarfon to Hendaye | 685.40 mi (1,103.05 km) |
| Caernarfon to Henin-Beaumont | 361.06 mi (581.07 km) |
| Caernarfon to Hennebont | 371.23 mi (597.43 km) |
| Caernarfon to Hericourt | 618.66 mi (995.64 km) |
| Caernarfon to Herouville-Saint-Clair | 321.05 mi (516.68 km) |
| Caernarfon to Hirson | 421.95 mi (679.06 km) |
| Caernarfon to Hoenheim | 608.87 mi (979.88 km) |
| Caernarfon to Houilles | 404.09 mi (650.32 km) |
| Caernarfon to Hyeres | 840.40 mi (1,352.49 km) |
| Caernarfon to Ifs | 324.36 mi (522.00 km) |
| Caernarfon to Igny | 414.79 mi (667.53 km) |
| Caernarfon to Illkirch-Graffenstaden | 611.37 mi (983.91 km) |
