| Oristano to Camas (Washington) | 5,797.62 mi (9,330.37 km) |
| Oristano to Cambridge (Maryland) | 4,346.01 mi (6,994.23 km) |
| Oristano to Cambridge (Massachusetts) | 3,990.16 mi (6,421.54 km) |
| Oristano to Camden (Arkansas) | 5,307.98 mi (8,542.37 km) |
| Oristano to Camden (New Jersey) | 4,252.78 mi (6,844.19 km) |
| Oristano to Cameron Park (California) | 6,141.96 mi (9,884.53 km) |
| Oristano to Camp Pendleton South (California) | 6,319.05 mi (10,169.53 km) |
| Oristano to Camp Springs (Maryland) | 4,375.86 mi (7,042.26 km) |
| Oristano to Camp Verde (Arizona) | 6,044.53 mi (9,727.73 km) |
| Oristano to Campbell (California) | 6,250.82 mi (10,059.72 km) |
| Oristano to Campbellsville (Kentucky) | 4,814.59 mi (7,748.34 km) |
| Oristano to Campton Hills (Illinois) | 4,763.75 mi (7,666.51 km) |
| Oristano to Canby (Oregon) | 5,823.70 mi (9,372.33 km) |
| Oristano to Candelaria (Puerto Rico) | 4,618.33 mi (7,432.49 km) |
| Oristano to Candler-McAfee (Georgia) | 4,910.85 mi (7,903.25 km) |
