| Castlebar to Hazebrouck | 544.31 mi (875.98 km) |
| Castlebar to Hellemmes-Lille | 569.52 mi (916.55 km) |
| Castlebar to Hem | 571.67 mi (920.01 km) |
| Castlebar to Hendaye | 801.87 mi (1,290.48 km) |
| Castlebar to Henin-Beaumont | 570.21 mi (917.67 km) |
| Castlebar to Hennebont | 493.70 mi (794.53 km) |
| Castlebar to Hericourt | 823.05 mi (1,324.57 km) |
| Castlebar to Herouville-Saint-Clair | 501.60 mi (807.25 km) |
| Castlebar to Hirson | 630.91 mi (1,015.36 km) |
| Castlebar to Hoenheim | 818.80 mi (1,317.73 km) |
| Castlebar to Houilles | 600.15 mi (965.84 km) |
| Castlebar to Hyeres | 1,020.41 mi (1,642.19 km) |
| Castlebar to Ifs | 503.84 mi (810.85 km) |
| Castlebar to Igny | 609.51 mi (980.90 km) |
| Castlebar to Illkirch-Graffenstaden | 820.99 mi (1,321.26 km) |
