| Kilkis to Castelfiorentino | 633.86 mi (1,020.11 km) |
| Kilkis to Castelfranco di Sopra | 605.40 mi (974.30 km) |
| Kilkis to Castelfranco di Sotto | 645.94 mi (1,039.55 km) |
| Kilkis to Castelfranco Emilia | 648.18 mi (1,043.14 km) |
| Kilkis to Castelfranco Veneto | 636.92 mi (1,025.03 km) |
| Kilkis to Castellabate | 417.67 mi (672.18 km) |
| Kilkis to Castellammare del Golfo | 569.80 mi (917.00 km) |
| Kilkis to Castellammare di Stabia | 438.66 mi (705.96 km) |
| Kilkis to Castellamonte | 820.17 mi (1,319.93 km) |
| Kilkis to Castellana Grotte | 297.56 mi (478.87 km) |
| Kilkis to Castellaneta | 311.18 mi (500.79 km) |
| Kilkis to Castellanza | 770.44 mi (1,239.91 km) |
| Kilkis to Castellarano | 660.13 mi (1,062.38 km) |
| Kilkis to Castelleone | 723.70 mi (1,164.67 km) |
| Kilkis to Castelletto sopra Ticino | 784.89 mi (1,263.16 km) |
