| Olbia to Homer Glen (Illinois) | 4,753.63 mi (7,650.23 km) |
| Olbia to Homestead (Florida) | 5,085.64 mi (8,184.55 km) |
| Olbia to Homewood (Alabama) | 5,045.94 mi (8,120.65 km) |
| Olbia to Homewood (Illinois) | 4,743.49 mi (7,633.91 km) |
| Olbia to Homosassa Springs (Florida) | 5,044.98 mi (8,119.11 km) |
| Olbia to Honeygo (Maryland) | 4,338.46 mi (6,982.08 km) |
| Olbia to Honolulu (Hawaii) | 8,059.90 mi (12,971.16 km) |
| Olbia to Hoover (Alabama) | 5,049.50 mi (8,126.39 km) |
| Olbia to Hopatcong (New Jersey) | 4,203.08 mi (6,764.20 km) |
| Olbia to Hope Mills (North Carolina) | 4,623.61 mi (7,440.98 km) |
| Olbia to Hopewell (Virginia) | 4,457.02 mi (7,172.89 km) |
| Olbia to Hopkins (Minnesota) | 4,832.26 mi (7,776.78 km) |
| Olbia to Hopkinsville (Kentucky) | 4,932.18 mi (7,937.58 km) |
| Olbia to Horizon City (Texas) | 5,960.12 mi (9,591.89 km) |
| Olbia to Horizon West (Florida) | 5,016.30 mi (8,072.96 km) |
