| Efringen-Kirchen to Ciampino | 473.84 mi (762.57 km) |
| Efringen-Kirchen to Cicciano | 575.90 mi (926.82 km) |
| Efringen-Kirchen to Cingoli | 403.11 mi (648.75 km) |
| Efringen-Kirchen to Cinisello Balsamo | 165.24 mi (265.93 km) |
| Efringen-Kirchen to Cinisi | 712.46 mi (1,146.59 km) |
| Efringen-Kirchen to Cirie | 167.23 mi (269.14 km) |
| Efringen-Kirchen to Ciro Marina | 745.39 mi (1,199.60 km) |
| Efringen-Kirchen to Cislago | 153.67 mi (247.31 km) |
| Efringen-Kirchen to Cisterna di Latina | 492.24 mi (792.18 km) |
| Efringen-Kirchen to Cisternino | 682.86 mi (1,098.96 km) |
| Efringen-Kirchen to Citta di Castello | 367.58 mi (591.56 km) |
| Efringen-Kirchen to Citta Sant'Angelo | 475.19 mi (764.74 km) |
| Efringen-Kirchen to Cittadella | 243.28 mi (391.52 km) |
| Efringen-Kirchen to Cittanova | 772.65 mi (1,243.46 km) |
| Efringen-Kirchen to Cividale del Friuli | 297.14 mi (478.19 km) |
