| Oristano to Robertsville (New Jersey) | 4,201.65 mi (6,761.91 km) |
| Oristano to Robinson (Texas) | 5,592.25 mi (8,999.86 km) |
| Oristano to Robstown (Texas) | 5,785.53 mi (9,310.92 km) |
| Oristano to Rochester (Michigan) | 4,510.75 mi (7,259.34 km) |
| Oristano to Rochester (Minnesota) | 4,845.68 mi (7,798.38 km) |
| Oristano to Rochester (New Hampshire) | 3,955.34 mi (6,365.50 km) |
| Oristano to Rochester (New York) | 4,254.92 mi (6,847.63 km) |
| Oristano to Rochester Hills (Michigan) | 4,513.13 mi (7,263.18 km) |
| Oristano to Rock Hill (South Carolina) | 4,710.98 mi (7,581.59 km) |
| Oristano to Rock Island (Illinois) | 4,873.66 mi (7,843.39 km) |
| Oristano to Rock Springs (Wyoming) | 5,589.43 mi (8,995.31 km) |
| Oristano to Rockford (Illinois) | 4,778.37 mi (7,690.04 km) |
| Oristano to Rockledge (Florida) | 4,961.19 mi (7,984.26 km) |
| Oristano to Rocklin (California) | 6,142.83 mi (9,885.93 km) |
| Oristano to Rockport (Texas) | 5,747.60 mi (9,249.86 km) |
