| Oristano to Hormigueros (Puerto Rico) | 4,676.65 mi (7,526.34 km) |
| Oristano to Horn Lake (Mississippi) | 5,123.58 mi (8,245.60 km) |
| Oristano to Hot Springs (Arkansas) | 5,276.54 mi (8,491.77 km) |
| Oristano to Hot Springs Village (Arkansas) | 5,265.43 mi (8,473.90 km) |
| Oristano to Houma (Louisiana) | 5,385.27 mi (8,666.76 km) |
| Oristano to Houston (Texas) | 5,590.88 mi (8,997.66 km) |
| Oristano to Howard (Wisconsin) | 4,646.99 mi (7,478.60 km) |
| Oristano to Huber Heights (Ohio) | 4,660.84 mi (7,500.89 km) |
| Oristano to Hudson (Florida) | 5,055.13 mi (8,135.45 km) |
| Oristano to Hudson (Ohio) | 4,491.24 mi (7,227.96 km) |
| Oristano to Hudson (Wisconsin) | 4,816.47 mi (7,751.36 km) |
| Oristano to Hueytown (Alabama) | 5,050.55 mi (8,128.07 km) |
| Oristano to Hugo (Minnesota) | 4,816.98 mi (7,752.18 km) |
| Oristano to Humacao (Puerto Rico) | 4,607.70 mi (7,415.38 km) |
| Oristano to Humble (Texas) | 5,575.98 mi (8,973.67 km) |
