| Umbertide to Carson (California) | 6,263.60 mi (10,080.30 km) |
| Umbertide to Carson City (Nevada) | 6,001.47 mi (9,658.43 km) |
| Umbertide to Carteret (New Jersey) | 4,239.48 mi (6,822.79 km) |
| Umbertide to Cartersville (Georgia) | 4,969.18 mi (7,997.12 km) |
| Umbertide to Carthage (Missouri) | 5,226.64 mi (8,411.47 km) |
| Umbertide to Cary (Illinois) | 4,752.88 mi (7,649.03 km) |
| Umbertide to Cary (North Carolina) | 4,636.17 mi (7,461.20 km) |
| Umbertide to Casa de Oro-Mount Helix (California) | 6,283.67 mi (10,112.60 km) |
| Umbertide to Casa Grande (Arizona) | 6,099.33 mi (9,815.92 km) |
| Umbertide to Casas Adobes (Arizona) | 6,103.90 mi (9,823.28 km) |
| Umbertide to Cascades (Virginia) | 4,437.75 mi (7,141.86 km) |
| Umbertide to Casper (Wyoming) | 5,378.97 mi (8,656.62 km) |
| Umbertide to Casselberry (Florida) | 5,060.90 mi (8,144.72 km) |
| Umbertide to Castaic (California) | 6,238.29 mi (10,039.56 km) |
| Umbertide to Castle Pines (Colorado) | 5,505.84 mi (8,860.80 km) |
