| Oristano to Rosemont (California) | 6,160.71 mi (9,914.71 km) |
| Oristano to Rosemount (Minnesota) | 4,838.60 mi (7,786.97 km) |
| Oristano to Rosenberg (Texas) | 5,621.42 mi (9,046.81 km) |
| Oristano to Roseville (California) | 6,147.15 mi (9,892.88 km) |
| Oristano to Roseville (Michigan) | 4,509.53 mi (7,257.39 km) |
| Oristano to Roseville (Minnesota) | 4,830.90 mi (7,774.58 km) |
| Oristano to Rossmoor (California) | 6,313.34 mi (10,160.34 km) |
| Oristano to Rossville (Maryland) | 4,335.86 mi (6,977.89 km) |
| Oristano to Roswell (Georgia) | 4,901.87 mi (7,888.80 km) |
| Oristano to Roswell (New Mexico) | 5,816.51 mi (9,360.77 km) |
| Oristano to Round Lake (Illinois) | 4,735.06 mi (7,620.35 km) |
| Oristano to Round Lake Beach (Illinois) | 4,732.61 mi (7,616.41 km) |
| Oristano to Round Rock (Texas) | 5,658.78 mi (9,106.92 km) |
| Oristano to Rowland Heights (California) | 6,296.70 mi (10,133.57 km) |
| Oristano to Rowlett (Texas) | 5,500.25 mi (8,851.80 km) |
