| Guardiagrele to Clarkston (Georgia) | 5,081.45 mi (8,177.80 km) |
| Guardiagrele to Clarksville (Indiana) | 4,946.63 mi (7,960.82 km) |
| Guardiagrele to Clarksville (Tennessee) | 5,090.81 mi (8,192.86 km) |
| Guardiagrele to Clawson (Michigan) | 4,657.59 mi (7,495.67 km) |
| Guardiagrele to Clay (Alabama) | 5,189.91 mi (8,352.35 km) |
| Guardiagrele to Clayton (California) | 6,251.26 mi (10,060.43 km) |
| Guardiagrele to Clayton (Missouri) | 5,119.02 mi (8,238.27 km) |
| Guardiagrele to Clayton (North Carolina) | 4,745.30 mi (7,636.81 km) |
| Guardiagrele to Clayton (Ohio) | 4,819.31 mi (7,755.94 km) |
| Guardiagrele to Clearfield (Utah) | 5,775.70 mi (9,295.09 km) |
| Guardiagrele to Clearlake (California) | 6,210.12 mi (9,994.23 km) |
| Guardiagrele to Clearwater (Florida) | 5,276.68 mi (8,492.00 km) |
| Guardiagrele to Cleburne (Texas) | 5,707.05 mi (9,184.61 km) |
| Guardiagrele to Clemmons (North Carolina) | 4,815.30 mi (7,749.47 km) |
| Guardiagrele to Clemson (South Carolina) | 4,980.22 mi (8,014.90 km) |
