| Frechen to Cologno al Serio | 391.57 mi (630.17 km) |
| Frechen to Cologno Monzese | 389.09 mi (626.17 km) |
| Frechen to Colorno | 445.04 mi (716.22 km) |
| Frechen to Comacchio | 496.19 mi (798.54 km) |
| Frechen to Comiso | 1,038.41 mi (1,671.15 km) |
| Frechen to Como | 367.83 mi (591.96 km) |
| Frechen to Concordia Sagittaria | 450.67 mi (725.28 km) |
| Frechen to Concorezzo | 385.81 mi (620.91 km) |
| Frechen to Conegliano | 428.67 mi (689.89 km) |
| Frechen to Conselice | 499.64 mi (804.09 km) |
| Frechen to Conselve | 456.42 mi (734.54 km) |
| Frechen to Conversano | 845.34 mi (1,360.45 km) |
| Frechen to Copertino | 912.39 mi (1,468.35 km) |
| Frechen to Copparo | 475.97 mi (766.00 km) |
| Frechen to Corato | 815.02 mi (1,311.65 km) |
