| Efringen-Kirchen to Cologno al Serio | 175.37 mi (282.23 km) |
| Efringen-Kirchen to Cologno Monzese | 167.94 mi (270.28 km) |
| Efringen-Kirchen to Colorno | 231.20 mi (372.09 km) |
| Efringen-Kirchen to Comacchio | 300.74 mi (483.99 km) |
| Efringen-Kirchen to Comiso | 821.56 mi (1,322.17 km) |
| Efringen-Kirchen to Como | 146.41 mi (235.63 km) |
| Efringen-Kirchen to Concordia Sagittaria | 282.23 mi (454.21 km) |
| Efringen-Kirchen to Concorezzo | 165.61 mi (266.52 km) |
| Efringen-Kirchen to Conegliano | 255.03 mi (410.43 km) |
| Efringen-Kirchen to Conselice | 298.00 mi (479.58 km) |
| Efringen-Kirchen to Conselve | 264.39 mi (425.49 km) |
| Efringen-Kirchen to Conversano | 659.80 mi (1,061.84 km) |
| Efringen-Kirchen to Copertino | 728.51 mi (1,172.42 km) |
| Efringen-Kirchen to Copparo | 278.81 mi (448.71 km) |
| Efringen-Kirchen to Corato | 625.49 mi (1,006.62 km) |
