| Illingen to Coudekerque-Branche | 235.46 mi (378.93 km) |
| Illingen to Coueron | 429.80 mi (691.70 km) |
| Illingen to Coulommiers | 183.67 mi (295.59 km) |
| Illingen to Courbevoic | 219.42 mi (353.12 km) |
| Illingen to Courcouronnes | 215.88 mi (347.42 km) |
| Illingen to Cournon-d'Auvergne | 308.72 mi (496.83 km) |
| Illingen to Courrieres | 197.31 mi (317.53 km) |
| Illingen to Coutras | 450.59 mi (725.16 km) |
| Illingen to Couzeix | 362.83 mi (583.92 km) |
| Illingen to Cran-Gevrier | 243.97 mi (392.63 km) |
| Illingen to Craponne | 273.35 mi (439.91 km) |
| Illingen to Creil | 205.93 mi (331.41 km) |
| Illingen to Crepy-en-Valois | 187.87 mi (302.35 km) |
| Illingen to Crest | 335.04 mi (539.19 km) |
| Illingen to Creteil | 211.56 mi (340.48 km) |
