| Kilkis to Castelli Calepio | 725.62 mi (1,167.78 km) |
| Kilkis to Castelnovo ne' Monti | 675.49 mi (1,087.09 km) |
| Kilkis to Castelnuovo Berardenga | 603.83 mi (971.78 km) |
| Kilkis to Castelnuovo di Porto | 541.48 mi (871.43 km) |
| Kilkis to Castelnuovo di Verona | 681.56 mi (1,096.86 km) |
| Kilkis to Castelnuovo Rangone | 652.75 mi (1,050.50 km) |
| Kilkis to Castelvetrano | 584.18 mi (940.15 km) |
| Kilkis to Castelvetro di Modena | 650.91 mi (1,047.53 km) |
| Kilkis to Castenaso | 626.77 mi (1,008.68 km) |
| Kilkis to Castenedolo | 703.63 mi (1,132.38 km) |
| Kilkis to Castiglion Fiorentino | 583.42 mi (938.93 km) |
| Kilkis to Castiglione del Lago | 574.14 mi (923.99 km) |
| Kilkis to Castiglione delle Stiviere | 692.67 mi (1,114.75 km) |
| Kilkis to Castrolibero | 370.32 mi (595.97 km) |
| Kilkis to Castrovillari | 359.82 mi (579.08 km) |
