| Civita Castellana to Clarkston (Georgia) | 4,998.46 mi (8,044.25 km) |
| Civita Castellana to Clarksville (Indiana) | 4,867.12 mi (7,832.87 km) |
| Civita Castellana to Clarksville (Tennessee) | 5,010.83 mi (8,064.15 km) |
| Civita Castellana to Clawson (Michigan) | 4,579.99 mi (7,370.79 km) |
| Civita Castellana to Clay (Alabama) | 5,107.83 mi (8,220.27 km) |
| Civita Castellana to Clayton (California) | 6,194.43 mi (9,968.97 km) |
| Civita Castellana to Clayton (Missouri) | 5,041.83 mi (8,114.04 km) |
| Civita Castellana to Clayton (North Carolina) | 4,661.19 mi (7,501.46 km) |
| Civita Castellana to Clayton (Ohio) | 4,740.25 mi (7,628.70 km) |
| Civita Castellana to Clearfield (Utah) | 5,713.28 mi (9,194.63 km) |
| Civita Castellana to Clearlake (California) | 6,154.57 mi (9,904.83 km) |
| Civita Castellana to Clearwater (Florida) | 5,190.15 mi (8,352.74 km) |
| Civita Castellana to Cleburne (Texas) | 5,629.33 mi (9,059.54 km) |
| Civita Castellana to Clemmons (North Carolina) | 4,732.13 mi (7,615.62 km) |
| Civita Castellana to Clemson (South Carolina) | 4,897.19 mi (7,881.26 km) |
