| Kilkis to Ciampino | 534.83 mi (860.72 km) |
| Kilkis to Cicciano | 434.55 mi (699.34 km) |
| Kilkis to Cingoli | 520.48 mi (837.63 km) |
| Kilkis to Cinisello Balsamo | 754.47 mi (1,214.21 km) |
| Kilkis to Cinisi | 554.96 mi (893.13 km) |
| Kilkis to Cirie | 822.60 mi (1,323.85 km) |
| Kilkis to Ciro Marina | 322.76 mi (519.43 km) |
| Kilkis to Cislago | 768.19 mi (1,236.28 km) |
| Kilkis to Cisterna di Latina | 522.56 mi (840.98 km) |
| Kilkis to Cisternino | 284.41 mi (457.72 km) |
| Kilkis to Citta di Castello | 569.38 mi (916.32 km) |
| Kilkis to Citta Sant'Angelo | 466.43 mi (750.64 km) |
| Kilkis to Cittadella | 642.90 mi (1,034.64 km) |
| Kilkis to Cittanova | 403.90 mi (650.01 km) |
| Kilkis to Cividale del Friuli | 589.42 mi (948.58 km) |
