| Oristano to Castle Rock (Colorado) | 5,537.83 mi (8,912.28 km) |
| Oristano to Castro Valley (California) | 6,230.22 mi (10,026.56 km) |
| Oristano to Catalina Foothills (Arizona) | 6,124.11 mi (9,855.80 km) |
| Oristano to Cataño (Puerto Rico) | 4,613.09 mi (7,424.05 km) |
| Oristano to Cathedral City (California) | 6,253.09 mi (10,063.37 km) |
| Oristano to Catonsville (Maryland) | 4,351.34 mi (7,002.80 km) |
| Oristano to Cave Spring (Virginia) | 4,576.21 mi (7,364.69 km) |
| Oristano to Cayce (South Carolina) | 4,750.77 mi (7,645.63 km) |
| Oristano to Cayey (Puerto Rico) | 4,627.32 mi (7,446.95 km) |
| Oristano to Cedar City (Utah) | 5,928.06 mi (9,540.29 km) |
| Oristano to Cedar Falls (Iowa) | 4,906.95 mi (7,896.97 km) |
| Oristano to Cedar Hill (Texas) | 5,533.41 mi (8,905.17 km) |
| Oristano to Cedar Lake (Indiana) | 4,745.59 mi (7,637.29 km) |
| Oristano to Cedar Mill (Oregon) | 5,811.67 mi (9,352.97 km) |
| Oristano to Cedar Park (Texas) | 5,666.42 mi (9,119.22 km) |
