| Trecastagni to Clarkston (Georgia) | 5,287.34 mi (8,509.15 km) |
| Trecastagni to Clarksville (Indiana) | 5,171.02 mi (8,321.95 km) |
| Trecastagni to Clarksville (Tennessee) | 5,312.74 mi (8,550.04 km) |
| Trecastagni to Clawson (Michigan) | 4,890.97 mi (7,871.26 km) |
| Trecastagni to Clay (Alabama) | 5,400.81 mi (8,691.76 km) |
| Trecastagni to Clayton (California) | 6,542.15 mi (10,528.58 km) |
| Trecastagni to Clayton (Missouri) | 5,353.52 mi (8,615.66 km) |
| Trecastagni to Clayton (North Carolina) | 4,944.93 mi (7,958.10 km) |
| Trecastagni to Clayton (Ohio) | 5,045.99 mi (8,120.74 km) |
| Trecastagni to Clearfield (Utah) | 6,055.37 mi (9,745.18 km) |
| Trecastagni to Clearlake (California) | 6,503.31 mi (10,466.06 km) |
| Trecastagni to Clearwater (Florida) | 5,458.13 mi (8,784.02 km) |
| Trecastagni to Cleburne (Texas) | 5,938.59 mi (9,557.23 km) |
| Trecastagni to Clemmons (North Carolina) | 5,020.54 mi (8,079.77 km) |
| Trecastagni to Clemson (South Carolina) | 5,185.95 mi (8,345.98 km) |
