| Olbia to Holbeach | 933.76 mi (1,502.74 km) |
| Olbia to Holborn | 863.22 mi (1,389.23 km) |
| Olbia to Hollinwood | 1,025.04 mi (1,649.64 km) |
| Olbia to Holyhead | 1,079.74 mi (1,737.67 km) |
| Olbia to Holywell | 1,039.29 mi (1,672.57 km) |
| Olbia to Honiton | 913.52 mi (1,470.17 km) |
| Olbia to Horbury | 1,018.94 mi (1,639.82 km) |
| Olbia to Horley | 845.41 mi (1,360.56 km) |
| Olbia to Hornchurch | 857.19 mi (1,379.52 km) |
| Olbia to Horndean | 853.57 mi (1,373.68 km) |
| Olbia to Hornsey | 867.08 mi (1,395.42 km) |
| Olbia to Horsell | 864.11 mi (1,390.64 km) |
| Olbia to Horsforth | 1,031.03 mi (1,659.29 km) |
| Olbia to Horsham | 843.26 mi (1,357.09 km) |
| Olbia to Horwich | 1,038.89 mi (1,671.93 km) |
