| Oristano to Caño Martin Peña (Puerto Rico) | 4,608.43 mi (7,416.55 km) |
| Oristano to Cañon City (Colorado) | 5,597.13 mi (9,007.72 km) |
| Oristano to Canóvanas (Puerto Rico) | 4,603.05 mi (7,407.89 km) |
| Oristano to Canton (Georgia) | 4,899.88 mi (7,885.60 km) |
| Oristano to Canton (Illinois) | 4,888.28 mi (7,866.93 km) |
| Oristano to Canton (Mississippi) | 5,223.36 mi (8,406.18 km) |
| Oristano to Canton (Ohio) | 4,503.95 mi (7,248.40 km) |
| Oristano to Canyon (Texas) | 5,631.58 mi (9,063.16 km) |
| Oristano to Canyon Lake (California) | 6,289.70 mi (10,122.29 km) |
| Oristano to Canyon Lake (Texas) | 5,715.37 mi (9,198.00 km) |
| Oristano to Cape Coral (Florida) | 5,092.18 mi (8,195.08 km) |
| Oristano to Cape Girardeau (Missouri) | 5,002.45 mi (8,050.66 km) |
| Oristano to Carbondale (Illinois) | 4,970.63 mi (7,999.46 km) |
| Oristano to Carlisle (Pennsylvania) | 4,339.31 mi (6,983.45 km) |
| Oristano to Carlsbad (California) | 6,320.97 mi (10,172.63 km) |
