| Rancho Cucamonga to Coudekerque-Branche | 5,517.53 mi (8,879.60 km) |
| Rancho Cucamonga to Coueron | 5,555.74 mi (8,941.10 km) |
| Rancho Cucamonga to Coulommiers | 5,645.11 mi (9,084.93 km) |
| Rancho Cucamonga to Courbevoic | 5,613.89 mi (9,034.68 km) |
| Rancho Cucamonga to Courcouronnes | 5,632.73 mi (9,065.01 km) |
| Rancho Cucamonga to Cournon-d'Auvergne | 5,796.86 mi (9,329.14 km) |
| Rancho Cucamonga to Courrieres | 5,562.11 mi (8,951.36 km) |
| Rancho Cucamonga to Coutras | 5,712.54 mi (9,193.44 km) |
| Rancho Cucamonga to Couzeix | 5,722.24 mi (9,209.06 km) |
| Rancho Cucamonga to Cran-Gevrier | 5,887.39 mi (9,474.84 km) |
| Rancho Cucamonga to Craponne | 5,848.89 mi (9,412.88 km) |
| Rancho Cucamonga to Creil | 5,604.32 mi (9,019.28 km) |
| Rancho Cucamonga to Crepy-en-Valois | 5,618.65 mi (9,042.34 km) |
| Rancho Cucamonga to Crest | 5,909.18 mi (9,509.91 km) |
| Rancho Cucamonga to Creteil | 5,625.88 mi (9,053.97 km) |
