| Olbia to Haverhill (Massachusetts) | 3,980.95 mi (6,406.73 km) |
| Olbia to Havre de Grace (Maryland) | 4,319.06 mi (6,950.86 km) |
| Olbia to Hawaiian Gardens (California) | 6,290.15 mi (10,123.02 km) |
| Olbia to Hawaiian Paradise Park (Hawaii) | 8,139.41 mi (13,099.12 km) |
| Olbia to Hawthorne (California) | 6,294.91 mi (10,130.67 km) |
| Olbia to Hawthorne (New Jersey) | 4,180.41 mi (6,727.72 km) |
| Olbia to Hayden (Idaho) | 5,484.86 mi (8,827.03 km) |
| Olbia to Hayesville (Oregon) | 5,813.83 mi (9,356.45 km) |
| Olbia to Hays (Kansas) | 5,334.81 mi (8,585.55 km) |
| Olbia to Haysville (Kansas) | 5,317.35 mi (8,557.45 km) |
| Olbia to Hayward (California) | 6,207.39 mi (9,989.82 km) |
| Olbia to Hazel Crest (Illinois) | 4,744.11 mi (7,634.91 km) |
| Olbia to Hazel Dell (Washington) | 5,765.10 mi (9,278.04 km) |
| Olbia to Hazel Park (Michigan) | 4,516.01 mi (7,267.82 km) |
| Olbia to Hazelwood (Missouri) | 4,974.04 mi (8,004.94 km) |
