| Castagneto Carducci to Caño Martin Peña (Puerto Rico) | 4,692.15 mi (7,551.29 km) |
| Castagneto Carducci to Cañon City (Colorado) | 5,515.87 mi (8,876.93 km) |
| Castagneto Carducci to Canóvanas (Puerto Rico) | 4,687.37 mi (7,543.59 km) |
| Castagneto Carducci to Canton (Georgia) | 4,880.73 mi (7,854.77 km) |
| Castagneto Carducci to Canton (Illinois) | 4,834.25 mi (7,779.97 km) |
| Castagneto Carducci to Canton (Mississippi) | 5,196.85 mi (8,363.52 km) |
| Castagneto Carducci to Canton (Ohio) | 4,466.93 mi (7,188.83 km) |
| Castagneto Carducci to Canyon (Texas) | 5,568.37 mi (8,961.42 km) |
| Castagneto Carducci to Canyon Lake (California) | 6,190.74 mi (9,963.03 km) |
| Castagneto Carducci to Canyon Lake (Texas) | 5,677.02 mi (9,136.28 km) |
| Castagneto Carducci to Cape Coral (Florida) | 5,106.17 mi (8,217.59 km) |
| Castagneto Carducci to Cape Girardeau (Missouri) | 4,960.85 mi (7,983.71 km) |
| Castagneto Carducci to Carbondale (Illinois) | 4,928.34 mi (7,931.40 km) |
| Castagneto Carducci to Carlisle (Pennsylvania) | 4,313.08 mi (6,941.23 km) |
| Castagneto Carducci to Carlsbad (California) | 6,223.30 mi (10,015.44 km) |
