| Castagneto Carducci to Corinth (Mississippi) | 5,023.89 mi (8,085.17 km) |
| Castagneto Carducci to Corinth (Texas) | 5,466.94 mi (8,798.19 km) |
| Castagneto Carducci to Cornelius (North Carolina) | 4,668.23 mi (7,512.79 km) |
| Castagneto Carducci to Cornelius (Oregon) | 5,680.93 mi (9,142.57 km) |
| Castagneto Carducci to Corning (New York) | 4,231.07 mi (6,809.25 km) |
| Castagneto Carducci to Corona (California) | 6,190.94 mi (9,963.36 km) |
| Castagneto Carducci to Coronado (California) | 6,245.15 mi (10,050.60 km) |
| Castagneto Carducci to Corpus Christi (Texas) | 5,746.11 mi (9,247.48 km) |
| Castagneto Carducci to Corsicana (Texas) | 5,493.87 mi (8,841.54 km) |
| Castagneto Carducci to Cortland (New York) | 4,176.42 mi (6,721.30 km) |
| Castagneto Carducci to Corvallis (Oregon) | 5,742.37 mi (9,241.45 km) |
| Castagneto Carducci to Coshocton (Ohio) | 4,509.63 mi (7,257.55 km) |
| Castagneto Carducci to Costa Mesa (California) | 6,213.44 mi (9,999.57 km) |
| Castagneto Carducci to Coto de Caza (California) | 6,206.68 mi (9,988.68 km) |
| Castagneto Carducci to Cottage Grove (Minnesota) | 4,755.55 mi (7,653.32 km) |
