| Knokke-Heist to Ciampino | 792.52 mi (1,275.44 km) |
| Knokke-Heist to Cicciano | 894.27 mi (1,439.19 km) |
| Knokke-Heist to Cingoli | 719.56 mi (1,158.01 km) |
| Knokke-Heist to Cinisello Balsamo | 483.36 mi (777.89 km) |
| Knokke-Heist to Cinisi | 1,027.68 mi (1,653.88 km) |
| Knokke-Heist to Cirie | 465.97 mi (749.90 km) |
| Knokke-Heist to Ciro Marina | 1,062.08 mi (1,709.25 km) |
| Knokke-Heist to Cislago | 471.13 mi (758.22 km) |
| Knokke-Heist to Cisterna di Latina | 810.96 mi (1,305.11 km) |
| Knokke-Heist to Cisternino | 995.40 mi (1,601.94 km) |
| Knokke-Heist to Citta di Castello | 685.92 mi (1,103.89 km) |
| Knokke-Heist to Citta Sant'Angelo | 791.84 mi (1,274.34 km) |
| Knokke-Heist to Cittadella | 552.46 mi (889.10 km) |
| Knokke-Heist to Cittanova | 1,091.41 mi (1,756.45 km) |
| Knokke-Heist to Cividale del Friuli | 586.53 mi (943.92 km) |
