| Olbia to Hammersmith | 864.43 mi (1,391.17 km) |
| Olbia to Hampton | 864.18 mi (1,390.76 km) |
| Olbia to Hamworthy | 873.17 mi (1,405.23 km) |
| Olbia to Handsworth | 998.84 mi (1,607.48 km) |
| Olbia to Hanwell | 868.26 mi (1,397.34 km) |
| Olbia to Harborne | 962.15 mi (1,548.42 km) |
| Olbia to Harlow | 871.93 mi (1,403.23 km) |
| Olbia to Harpenden | 885.87 mi (1,425.67 km) |
| Olbia to Harrogate | 1,037.47 mi (1,669.65 km) |
| Olbia to Harrow | 872.63 mi (1,404.37 km) |
| Olbia to Harrow on the Hill | 871.28 mi (1,402.18 km) |
| Olbia to Harrow Weald | 873.58 mi (1,405.89 km) |
| Olbia to Hartlepool | 1,070.85 mi (1,723.37 km) |
| Olbia to Harwich | 855.02 mi (1,376.02 km) |
| Olbia to Haslemere | 855.15 mi (1,376.24 km) |
