| Duffel to Cologno al Serio | 449.14 mi (722.81 km) |
| Duffel to Cologno Monzese | 442.56 mi (712.23 km) |
| Duffel to Colorno | 504.67 mi (812.18 km) |
| Duffel to Comacchio | 566.52 mi (911.72 km) |
| Duffel to Comiso | 1,096.18 mi (1,764.13 km) |
| Duffel to Como | 421.02 mi (677.56 km) |
| Duffel to Concordia Sagittaria | 530.17 mi (853.22 km) |
| Duffel to Concorezzo | 440.15 mi (708.35 km) |
| Duffel to Conegliano | 506.10 mi (814.49 km) |
| Duffel to Conselice | 567.01 mi (912.51 km) |
| Duffel to Conselve | 527.70 mi (849.25 km) |
| Duffel to Conversano | 922.33 mi (1,484.35 km) |
| Duffel to Copertino | 990.31 mi (1,593.75 km) |
| Duffel to Copparo | 545.27 mi (877.53 km) |
| Duffel to Corato | 890.17 mi (1,432.58 km) |
