| Efringen-Kirchen to Cognac | 397.80 mi (640.19 km) |
| Efringen-Kirchen to Cogolin | 308.33 mi (496.21 km) |
| Efringen-Kirchen to Colmar | 31.01 mi (49.91 km) |
| Efringen-Kirchen to Colombes | 259.45 mi (417.54 km) |
| Efringen-Kirchen to Colomiers | 410.30 mi (660.32 km) |
| Efringen-Kirchen to Combs-la-Ville | 241.06 mi (387.95 km) |
| Efringen-Kirchen to Comines | 297.16 mi (478.24 km) |
| Efringen-Kirchen to Compiegne | 248.64 mi (400.15 km) |
| Efringen-Kirchen to Concarneau | 533.10 mi (857.94 km) |
| Efringen-Kirchen to Conde-sur-l'Escaut | 263.85 mi (424.63 km) |
| Efringen-Kirchen to Conflans-Sainte-Honorine | 267.70 mi (430.82 km) |
| Efringen-Kirchen to Corbas | 186.56 mi (300.24 km) |
| Efringen-Kirchen to Corbeil-Essonnes | 243.54 mi (391.94 km) |
| Efringen-Kirchen to Cormeilles-en-Parisis | 262.71 mi (422.79 km) |
| Efringen-Kirchen to Cosne sur Loire | 217.12 mi (349.42 km) |
