| Oristano to Clermont (Florida) | 5,000.75 mi (8,047.93 km) |
| Oristano to Cleveland (Mississippi) | 5,205.60 mi (8,377.61 km) |
| Oristano to Cleveland (Ohio) | 4,493.06 mi (7,230.88 km) |
| Oristano to Cleveland (Tennessee) | 4,879.65 mi (7,853.03 km) |
| Oristano to Cleveland Heights (Ohio) | 4,486.65 mi (7,220.57 km) |
| Oristano to Cliffside Park (New Jersey) | 4,171.39 mi (6,713.21 km) |
| Oristano to Clifton (Colorado) | 5,688.10 mi (9,154.12 km) |
| Oristano to Clifton (New Jersey) | 4,177.78 mi (6,723.49 km) |
| Oristano to Clinton (Iowa) | 4,844.15 mi (7,795.90 km) |
| Oristano to Clinton (Maryland) | 4,377.21 mi (7,044.43 km) |
| Oristano to Clinton (Mississippi) | 5,247.91 mi (8,445.69 km) |
| Oristano to Clinton (Utah) | 5,712.35 mi (9,193.14 km) |
| Oristano to Clive (Iowa) | 4,999.74 mi (8,046.30 km) |
| Oristano to Cloquet (Minnesota) | 4,735.20 mi (7,620.57 km) |
| Oristano to Cloverleaf (Texas) | 5,581.01 mi (8,981.77 km) |
