| Castagneto Carducci to Cicero (Illinois) | 4,686.43 mi (7,542.09 km) |
| Castagneto Carducci to Cimarron Hills (Colorado) | 5,475.67 mi (8,812.24 km) |
| Castagneto Carducci to Cincinnati (Ohio) | 4,668.88 mi (7,513.84 km) |
| Castagneto Carducci to Cinco Ranch (Texas) | 5,578.36 mi (8,977.50 km) |
| Castagneto Carducci to Circleville (Ohio) | 4,582.81 mi (7,375.32 km) |
| Castagneto Carducci to Citrus (California) | 6,187.15 mi (9,957.26 km) |
| Castagneto Carducci to Citrus Heights (California) | 6,029.84 mi (9,704.09 km) |
| Castagneto Carducci to Citrus Park (Florida) | 5,068.35 mi (8,156.72 km) |
| Castagneto Carducci to Claiborne (Louisiana) | 5,292.52 mi (8,517.49 km) |
| Castagneto Carducci to Claremont (California) | 6,180.91 mi (9,947.22 km) |
| Castagneto Carducci to Claremont (New Hampshire) | 3,983.39 mi (6,410.64 km) |
| Castagneto Carducci to Claremore (Oklahoma) | 5,254.48 mi (8,456.26 km) |
| Castagneto Carducci to Clarksburg (Maryland) | 4,354.37 mi (7,007.69 km) |
| Castagneto Carducci to Clarksburg (West Virginia) | 4,484.65 mi (7,217.34 km) |
| Castagneto Carducci to Clarksdale (Mississippi) | 5,145.94 mi (8,281.60 km) |
