| Oristano to Rockville (Maryland) | 4,376.74 mi (7,043.69 km) |
| Oristano to Rockville Centre (New York) | 4,160.65 mi (6,695.91 km) |
| Oristano to Rockwall (Texas) | 5,495.32 mi (8,843.86 km) |
| Oristano to Rocky Mount (North Carolina) | 4,520.68 mi (7,275.34 km) |
| Oristano to Rocky Point (New York) | 4,119.44 mi (6,629.59 km) |
| Oristano to Rocky River (Ohio) | 4,500.82 mi (7,243.37 km) |
| Oristano to Roessleville (New York) | 4,101.05 mi (6,600.01 km) |
| Oristano to Rogers (Arkansas) | 5,244.28 mi (8,439.86 km) |
| Oristano to Rogers (Minnesota) | 4,840.29 mi (7,789.70 km) |
| Oristano to Rohnert Park (California) | 6,214.20 mi (10,000.79 km) |
| Oristano to Rolla (Missouri) | 5,071.07 mi (8,161.10 km) |
| Oristano to Rolling Meadows (Illinois) | 4,742.35 mi (7,632.08 km) |
| Oristano to Roma (Texas) | 5,910.45 mi (9,511.96 km) |
| Oristano to Rome (Georgia) | 4,931.28 mi (7,936.13 km) |
| Oristano to Rome (New York) | 4,159.33 mi (6,693.79 km) |
