| Castlebar to Hameenkyro | 1,295.44 mi (2,084.81 km) |
| Castlebar to Hameenlinna | 1,330.85 mi (2,141.79 km) |
| Castlebar to Hamina | 1,420.41 mi (2,285.93 km) |
| Castlebar to Hanko | 1,272.15 mi (2,047.34 km) |
| Castlebar to Hattula | 1,328.15 mi (2,137.44 km) |
| Castlebar to Haukipudas | 1,416.79 mi (2,280.10 km) |
| Castlebar to Hausjarvi | 1,348.04 mi (2,169.46 km) |
| Castlebar to Heinola | 1,384.35 mi (2,227.90 km) |
| Castlebar to Helsinki | 1,341.74 mi (2,159.32 km) |
| Castlebar to Hollola | 1,365.67 mi (2,197.83 km) |
| Castlebar to Huittinen | 1,274.02 mi (2,050.34 km) |
| Castlebar to Hyvinkaa | 1,341.19 mi (2,158.44 km) |
| Castlebar to Ii | 1,420.09 mi (2,285.42 km) |
| Castlebar to Iisalmi | 1,443.64 mi (2,323.31 km) |
| Castlebar to Ilmajoki | 1,291.27 mi (2,078.09 km) |
