| Oristano to Caguas (Puerto Rico) | 4,615.96 mi (7,428.67 km) |
| Oristano to Cahokia (Illinois) | 4,976.99 mi (8,009.70 km) |
| Oristano to Calabasas (California) | 6,314.98 mi (10,162.98 km) |
| Oristano to Caldwell (Idaho) | 5,732.63 mi (9,225.78 km) |
| Oristano to Caledonia (Wisconsin) | 4,707.48 mi (7,575.96 km) |
| Oristano to Calera (Alabama) | 5,050.20 mi (8,127.51 km) |
| Oristano to Calexico (California) | 6,279.36 mi (10,105.66 km) |
| Oristano to Calhoun (Georgia) | 4,910.72 mi (7,903.04 km) |
| Oristano to California (Maryland) | 4,374.39 mi (7,039.90 km) |
| Oristano to California City (California) | 6,231.53 mi (10,028.68 km) |
| Oristano to Callaway (Florida) | 5,119.32 mi (8,238.75 km) |
| Oristano to Calumet City (Illinois) | 4,740.66 mi (7,629.35 km) |
| Oristano to Calverton (Maryland) | 4,368.17 mi (7,029.89 km) |
| Oristano to Camano (Washington) | 5,653.58 mi (9,098.55 km) |
| Oristano to Camarillo (California) | 6,322.95 mi (10,175.80 km) |
