| Castagneto Carducci to Cloverly (Maryland) | 4,347.39 mi (6,996.45 km) |
| Castagneto Carducci to Clovis (California) | 6,089.32 mi (9,799.82 km) |
| Castagneto Carducci to Clovis (New Mexico) | 5,645.54 mi (9,085.61 km) |
| Castagneto Carducci to Clute (Texas) | 5,597.61 mi (9,008.47 km) |
| Castagneto Carducci to Coachella (California) | 6,153.30 mi (9,902.77 km) |
| Castagneto Carducci to Coalinga (California) | 6,148.51 mi (9,895.06 km) |
| Castagneto Carducci to Coamo (Puerto Rico) | 4,723.64 mi (7,601.96 km) |
| Castagneto Carducci to Coatesville (Pennsylvania) | 4,261.19 mi (6,857.72 km) |
| Castagneto Carducci to Cockeysville (Maryland) | 4,316.37 mi (6,946.53 km) |
| Castagneto Carducci to Cocoa (Florida) | 4,971.11 mi (8,000.24 km) |
| Castagneto Carducci to Cocoa Beach (Florida) | 4,966.77 mi (7,993.24 km) |
| Castagneto Carducci to Coconut Creek (Florida) | 5,037.26 mi (8,106.69 km) |
| Castagneto Carducci to Coeur d'Alene (Idaho) | 5,389.11 mi (8,672.93 km) |
| Castagneto Carducci to Cohoes (New York) | 4,064.25 mi (6,540.77 km) |
| Castagneto Carducci to Cold Springs (Nevada) | 5,933.68 mi (9,549.33 km) |
