| Oristano to Cicero (Illinois) | 4,740.31 mi (7,628.79 km) |
| Oristano to Cimarron Hills (Colorado) | 5,556.91 mi (8,942.98 km) |
| Oristano to Cincinnati (Ohio) | 4,706.03 mi (7,573.63 km) |
| Oristano to Cinco Ranch (Texas) | 5,609.81 mi (9,028.11 km) |
| Oristano to Circleville (Ohio) | 4,618.41 mi (7,432.61 km) |
| Oristano to Citrus (California) | 6,288.78 mi (10,120.81 km) |
| Oristano to Citrus Heights (California) | 6,150.36 mi (9,898.05 km) |
| Oristano to Citrus Park (Florida) | 5,060.80 mi (8,144.58 km) |
| Oristano to Claiborne (Louisiana) | 5,324.10 mi (8,568.32 km) |
| Oristano to Claremont (California) | 6,282.10 mi (10,110.06 km) |
| Oristano to Claremont (New Hampshire) | 4,013.93 mi (6,459.79 km) |
| Oristano to Claremore (Oklahoma) | 5,306.63 mi (8,540.20 km) |
| Oristano to Clarksburg (Maryland) | 4,376.77 mi (7,043.73 km) |
| Oristano to Clarksburg (West Virginia) | 4,513.58 mi (7,263.91 km) |
| Oristano to Clarksdale (Mississippi) | 5,179.16 mi (8,335.05 km) |
