| Casciana Terme to Clarkston (Georgia) | 4,877.78 mi (7,850.02 km) |
| Casciana Terme to Clarksville (Indiana) | 4,744.45 mi (7,635.45 km) |
| Casciana Terme to Clarksville (Tennessee) | 4,888.37 mi (7,867.08 km) |
| Casciana Terme to Clawson (Michigan) | 4,456.62 mi (7,172.24 km) |
| Casciana Terme to Clay (Alabama) | 4,986.53 mi (8,025.04 km) |
| Casciana Terme to Clayton (California) | 6,072.75 mi (9,773.15 km) |
| Casciana Terme to Clayton (Missouri) | 4,918.35 mi (7,915.31 km) |
| Casciana Terme to Clayton (North Carolina) | 4,541.39 mi (7,308.67 km) |
| Casciana Terme to Clayton (Ohio) | 4,617.40 mi (7,430.99 km) |
| Casciana Terme to Clearfield (Utah) | 5,589.99 mi (8,996.22 km) |
| Casciana Terme to Clearlake (California) | 6,033.37 mi (9,709.76 km) |
| Casciana Terme to Clearwater (Florida) | 5,072.89 mi (8,164.02 km) |
| Casciana Terme to Cleburne (Texas) | 5,506.02 mi (8,861.08 km) |
| Casciana Terme to Clemmons (North Carolina) | 4,611.58 mi (7,421.62 km) |
| Casciana Terme to Clemson (South Carolina) | 4,776.54 mi (7,687.10 km) |
