| Kos to Civita Castellana | 872.92 mi (1,404.83 km) |
| Kos to Civitanova Marche | 839.87 mi (1,351.64 km) |
| Kos to Civitavecchia | 897.77 mi (1,444.82 km) |
| Kos to Civitella in Val di Chiana | 934.71 mi (1,504.28 km) |
| Kos to Clusone | 1,088.36 mi (1,751.55 km) |
| Kos to Coccaglio | 1,076.65 mi (1,732.70 km) |
| Kos to Codigoro | 961.13 mi (1,546.78 km) |
| Kos to Codogno | 1,075.81 mi (1,731.35 km) |
| Kos to Codroipo | 967.98 mi (1,557.82 km) |
| Kos to Cogoleto | 1,101.66 mi (1,772.95 km) |
| Kos to Colle di Val d'Elsa | 961.17 mi (1,546.86 km) |
| Kos to Colle Salvetti | 996.56 mi (1,603.81 km) |
| Kos to Collecchio | 1,040.92 mi (1,675.20 km) |
| Kos to Colleferro | 830.37 mi (1,336.35 km) |
| Kos to Collegno | 1,168.35 mi (1,880.27 km) |
