| Sonoma to Coudekerque-Branche | 5,422.82 mi (8,727.19 km) |
| Sonoma to Coueron | 5,492.71 mi (8,839.66 km) |
| Sonoma to Coulommiers | 5,558.61 mi (8,945.71 km) |
| Sonoma to Courbevoic | 5,529.70 mi (8,899.20 km) |
| Sonoma to Courcouronnes | 5,549.27 mi (8,930.69 km) |
| Sonoma to Cournon-d'Auvergne | 5,724.30 mi (9,212.37 km) |
| Sonoma to Courrieres | 5,468.35 mi (8,800.46 km) |
| Sonoma to Coutras | 5,654.90 mi (9,100.68 km) |
| Sonoma to Couzeix | 5,655.85 mi (9,102.21 km) |
| Sonoma to Cran-Gevrier | 5,803.82 mi (9,340.34 km) |
| Sonoma to Craponne | 5,770.94 mi (9,287.43 km) |
| Sonoma to Creil | 5,517.69 mi (8,879.86 km) |
| Sonoma to Crepy-en-Valois | 5,530.82 mi (8,901.00 km) |
| Sonoma to Crest | 5,834.78 mi (9,390.16 km) |
| Sonoma to Creteil | 5,541.52 mi (8,918.21 km) |
