| Efringen-Kirchen to Civita Castellana | 439.32 mi (707.02 km) |
| Efringen-Kirchen to Civitanova Marche | 423.82 mi (682.08 km) |
| Efringen-Kirchen to Civitavecchia | 436.09 mi (701.82 km) |
| Efringen-Kirchen to Civitella in Val di Chiana | 355.04 mi (571.38 km) |
| Efringen-Kirchen to Clusone | 166.49 mi (267.95 km) |
| Efringen-Kirchen to Coccaglio | 184.40 mi (296.76 km) |
| Efringen-Kirchen to Codigoro | 291.99 mi (469.92 km) |
| Efringen-Kirchen to Codogno | 200.28 mi (322.31 km) |
| Efringen-Kirchen to Codroipo | 281.38 mi (452.83 km) |
| Efringen-Kirchen to Cogoleto | 231.54 mi (372.63 km) |
| Efringen-Kirchen to Colle di Val d'Elsa | 340.90 mi (548.63 km) |
| Efringen-Kirchen to Colle Salvetti | 313.62 mi (504.72 km) |
| Efringen-Kirchen to Collecchio | 237.40 mi (382.05 km) |
| Efringen-Kirchen to Colleferro | 488.71 mi (786.50 km) |
| Efringen-Kirchen to Collegno | 178.13 mi (286.67 km) |
