| Kilkis to Corbetta | 766.26 mi (1,233.18 km) |
| Kilkis to Corciano | 562.44 mi (905.15 km) |
| Kilkis to Cordenons | 614.97 mi (989.70 km) |
| Kilkis to Cori | 518.30 mi (834.12 km) |
| Kilkis to Coriano | 561.86 mi (904.22 km) |
| Kilkis to Corigliano Calabro | 347.94 mi (559.96 km) |
| Kilkis to Corleone | 555.26 mi (893.60 km) |
| Kilkis to Cormano | 756.75 mi (1,217.87 km) |
| Kilkis to Cornaredo | 761.68 mi (1,225.80 km) |
| Kilkis to Cornate d'Adda | 745.55 mi (1,199.84 km) |
| Kilkis to Cornedo Vicentino | 660.80 mi (1,063.45 km) |
| Kilkis to Correggio | 664.62 mi (1,069.60 km) |
| Kilkis to Corridonia | 503.82 mi (810.82 km) |
| Kilkis to Corsico | 756.35 mi (1,217.22 km) |
| Kilkis to Cortona | 579.02 mi (931.84 km) |
