| Buckeye to Cortona | 6,090.20 mi (9,801.23 km) |
| Buckeye to Cosenza | 6,442.29 mi (10,367.86 km) |
| Buckeye to Cossato | 5,845.08 mi (9,406.75 km) |
| Buckeye to Costa Volpino | 5,898.69 mi (9,493.03 km) |
| Buckeye to Creazzo | 5,960.05 mi (9,591.78 km) |
| Buckeye to Crema | 5,907.21 mi (9,506.73 km) |
| Buckeye to Cremona | 5,930.65 mi (9,544.46 km) |
| Buckeye to Crevalcore | 5,989.43 mi (9,639.06 km) |
| Buckeye to Crispiano | 6,407.36 mi (10,311.65 km) |
| Buckeye to Crosia | 6,446.13 mi (10,374.05 km) |
| Buckeye to Crotone | 6,483.73 mi (10,434.55 km) |
| Buckeye to Cuneo | 5,879.89 mi (9,462.77 km) |
| Buckeye to Cuorgne | 5,835.46 mi (9,391.27 km) |
| Buckeye to Cusano Milanino | 5,881.09 mi (9,464.70 km) |
| Buckeye to Cutro | 6,481.76 mi (10,431.39 km) |
