| Kilkis to Butzbach | 943.73 mi (1,518.79 km) |
| Kilkis to Buxtehude | 1,057.82 mi (1,702.40 km) |
| Kilkis to Cadolzburg | 824.74 mi (1,327.29 km) |
| Kilkis to Calbe | 918.69 mi (1,478.48 km) |
| Kilkis to Calw | 872.18 mi (1,403.64 km) |
| Kilkis to Castrop-Rauxel | 1,037.41 mi (1,669.55 km) |
| Kilkis to Celle | 1,003.13 mi (1,614.38 km) |
| Kilkis to Cham | 754.88 mi (1,214.87 km) |
| Kilkis to Chemnitz | 830.26 mi (1,336.17 km) |
| Kilkis to Clausthal-Zellerfeld | 954.11 mi (1,535.50 km) |
| Kilkis to Cloppenburg | 1,073.32 mi (1,727.34 km) |
| Kilkis to Coburg | 859.34 mi (1,382.97 km) |
| Kilkis to Coesfeld | 1,059.80 mi (1,705.58 km) |
| Kilkis to Cologne | 1,024.22 mi (1,648.33 km) |
| Kilkis to Coswig | 829.16 mi (1,334.41 km) |
