| Rheinfelden to Coudekerque-Branche | 341.98 mi (550.36 km) |
| Rheinfelden to Coueron | 445.82 mi (717.48 km) |
| Rheinfelden to Coulommiers | 234.16 mi (376.85 km) |
| Rheinfelden to Courbevoic | 271.71 mi (437.27 km) |
| Rheinfelden to Courcouronnes | 258.68 mi (416.30 km) |
| Rheinfelden to Cournon-d'Auvergne | 251.47 mi (404.70 km) |
| Rheinfelden to Courrieres | 297.80 mi (479.26 km) |
| Rheinfelden to Coutras | 416.07 mi (669.61 km) |
| Rheinfelden to Couzeix | 331.53 mi (533.54 km) |
| Rheinfelden to Cran-Gevrier | 139.25 mi (224.10 km) |
| Rheinfelden to Craponne | 191.92 mi (308.87 km) |
| Rheinfelden to Creil | 270.85 mi (435.89 km) |
| Rheinfelden to Crepy-en-Valois | 253.59 mi (408.11 km) |
| Rheinfelden to Crest | 235.96 mi (379.75 km) |
| Rheinfelden to Creteil | 260.39 mi (419.05 km) |
