| Castelli Calepio to Clarkston (Georgia) | 4,778.07 mi (7,689.56 km) |
| Castelli Calepio to Clarksville (Indiana) | 4,636.23 mi (7,461.29 km) |
| Castelli Calepio to Clarksville (Tennessee) | 4,781.15 mi (7,694.52 km) |
| Castelli Calepio to Clawson (Michigan) | 4,344.46 mi (6,991.73 km) |
| Castelli Calepio to Clay (Alabama) | 4,884.34 mi (7,860.59 km) |
| Castelli Calepio to Clayton (California) | 5,934.10 mi (9,550.01 km) |
| Castelli Calepio to Clayton (Missouri) | 4,805.25 mi (7,733.30 km) |
| Castelli Calepio to Clayton (North Carolina) | 4,445.12 mi (7,153.74 km) |
| Castelli Calepio to Clayton (Ohio) | 4,508.24 mi (7,255.31 km) |
| Castelli Calepio to Clearfield (Utah) | 5,456.19 mi (8,780.89 km) |
| Castelli Calepio to Clearlake (California) | 5,893.74 mi (9,485.06 km) |
| Castelli Calepio to Clearwater (Florida) | 4,984.36 mi (8,021.54 km) |
| Castelli Calepio to Cleburne (Texas) | 5,393.80 mi (8,680.48 km) |
| Castelli Calepio to Clemmons (North Carolina) | 4,512.55 mi (7,262.24 km) |
| Castelli Calepio to Clemson (South Carolina) | 4,677.05 mi (7,526.98 km) |
