| Poggio Renatico to Clarkston (Georgia) | 4,874.34 mi (7,844.49 km) |
| Poggio Renatico to Clarksville (Indiana) | 4,733.49 mi (7,617.82 km) |
| Poggio Renatico to Clarksville (Tennessee) | 4,878.33 mi (7,850.92 km) |
| Poggio Renatico to Clawson (Michigan) | 4,441.99 mi (7,148.70 km) |
| Poggio Renatico to Clay (Alabama) | 4,980.96 mi (8,016.08 km) |
| Poggio Renatico to Clayton (California) | 6,027.72 mi (9,700.68 km) |
| Poggio Renatico to Clayton (Missouri) | 4,902.84 mi (7,890.36 km) |
| Poggio Renatico to Clayton (North Carolina) | 4,540.82 mi (7,307.74 km) |
| Poggio Renatico to Clayton (Ohio) | 4,605.58 mi (7,411.96 km) |
| Poggio Renatico to Clearfield (Utah) | 5,551.74 mi (8,934.66 km) |
| Poggio Renatico to Clearlake (California) | 5,986.87 mi (9,634.93 km) |
| Poggio Renatico to Clearwater (Florida) | 5,078.61 mi (8,173.23 km) |
| Poggio Renatico to Cleburne (Texas) | 5,491.35 mi (8,837.48 km) |
| Poggio Renatico to Clemmons (North Carolina) | 4,608.70 mi (7,416.98 km) |
| Poggio Renatico to Clemson (South Carolina) | 4,773.28 mi (7,681.85 km) |
