| Koyulhisar to Cortona | 1,341.50 mi (2,158.93 km) |
| Koyulhisar to Cosenza | 1,144.79 mi (1,842.36 km) |
| Koyulhisar to Cossato | 1,534.43 mi (2,469.42 km) |
| Koyulhisar to Costa Volpino | 1,442.77 mi (2,321.91 km) |
| Koyulhisar to Creazzo | 1,374.27 mi (2,211.67 km) |
| Koyulhisar to Crema | 1,460.24 mi (2,350.03 km) |
| Koyulhisar to Cremona | 1,442.22 mi (2,321.03 km) |
| Koyulhisar to Crevalcore | 1,385.97 mi (2,230.51 km) |
| Koyulhisar to Crispiano | 1,080.64 mi (1,739.12 km) |
| Koyulhisar to Crosia | 1,114.46 mi (1,793.55 km) |
| Koyulhisar to Crotone | 1,101.96 mi (1,773.43 km) |
| Koyulhisar to Cuneo | 1,562.55 mi (2,514.68 km) |
| Koyulhisar to Cuorgne | 1,558.87 mi (2,508.77 km) |
| Koyulhisar to Cusano Milanino | 1,485.27 mi (2,390.31 km) |
| Koyulhisar to Cutro | 1,109.70 mi (1,785.89 km) |
