| Olbia to Haines City (Florida) | 5,030.36 mi (8,095.58 km) |
| Olbia to Halawa (Hawaii) | 8,057.65 mi (12,967.53 km) |
| Olbia to Half Moon Bay (California) | 6,227.93 mi (10,022.88 km) |
| Olbia to Halfway (Maryland) | 4,391.16 mi (7,066.89 km) |
| Olbia to Hallandale Beach (Florida) | 5,048.63 mi (8,124.99 km) |
| Olbia to Haltom City (Texas) | 5,535.19 mi (8,908.03 km) |
| Olbia to Ham Lake (Minnesota) | 4,810.48 mi (7,741.72 km) |
| Olbia to Hamilton (Ohio) | 4,699.78 mi (7,563.57 km) |
| Olbia to Hamilton Square (New Jersey) | 4,228.54 mi (6,805.18 km) |
| Olbia to Hammond (Indiana) | 4,734.04 mi (7,618.71 km) |
| Olbia to Hammond (Louisiana) | 5,340.65 mi (8,594.94 km) |
| Olbia to Hammonton (New Jersey) | 4,254.02 mi (6,846.18 km) |
| Olbia to Hampton (Virginia) | 4,422.84 mi (7,117.87 km) |
| Olbia to Hampton Bays (New York) | 4,109.52 mi (6,613.63 km) |
| Olbia to Hamtramck (Michigan) | 4,516.80 mi (7,269.09 km) |
