| Gronau to Coudekerque-Branche | 215.64 mi (347.04 km) |
| Gronau to Coueron | 521.39 mi (839.09 km) |
| Gronau to Coulommiers | 292.01 mi (469.95 km) |
| Gronau to Courbevoic | 310.74 mi (500.08 km) |
| Gronau to Courcouronnes | 320.35 mi (515.55 km) |
| Gronau to Cournon-d'Auvergne | 479.67 mi (771.96 km) |
| Gronau to Courrieres | 214.27 mi (344.83 km) |
| Gronau to Coutras | 593.31 mi (954.83 km) |
| Gronau to Couzeix | 510.25 mi (821.17 km) |
| Gronau to Cran-Gevrier | 437.96 mi (704.82 km) |
| Gronau to Craponne | 458.98 mi (738.65 km) |
| Gronau to Creil | 285.20 mi (458.98 km) |
| Gronau to Crepy-en-Valois | 274.42 mi (441.64 km) |
| Gronau to Crest | 525.26 mi (845.33 km) |
| Gronau to Creteil | 310.32 mi (499.41 km) |
