| Umbertide to Clarkston (Georgia) | 4,960.59 mi (7,983.29 km) |
| Umbertide to Clarksville (Indiana) | 4,824.79 mi (7,764.74 km) |
| Umbertide to Clarksville (Tennessee) | 4,969.05 mi (7,996.91 km) |
| Umbertide to Clawson (Michigan) | 4,535.54 mi (7,299.24 km) |
| Umbertide to Clay (Alabama) | 5,068.70 mi (8,157.28 km) |
| Umbertide to Clayton (California) | 6,134.98 mi (9,873.29 km) |
| Umbertide to Clayton (Missouri) | 4,996.95 mi (8,041.81 km) |
| Umbertide to Clayton (North Carolina) | 4,624.98 mi (7,443.19 km) |
| Umbertide to Clayton (Ohio) | 4,697.41 mi (7,559.75 km) |
| Umbertide to Clearfield (Utah) | 5,656.83 mi (9,103.79 km) |
| Umbertide to Clearlake (California) | 6,094.50 mi (9,808.16 km) |
| Umbertide to Clearwater (Florida) | 5,158.01 mi (8,301.02 km) |
| Umbertide to Cleburne (Texas) | 5,585.00 mi (8,988.19 km) |
| Umbertide to Clemmons (North Carolina) | 4,694.53 mi (7,555.12 km) |
| Umbertide to Clemson (South Carolina) | 4,859.39 mi (7,820.44 km) |
