| Rancho Cucamonga to Cognac | 5,674.98 mi (9,133.00 km) |
| Rancho Cucamonga to Cogolin | 6,034.63 mi (9,711.80 km) |
| Rancho Cucamonga to Colmar | 5,818.52 mi (9,364.00 km) |
| Rancho Cucamonga to Colombes | 5,612.63 mi (9,032.66 km) |
| Rancho Cucamonga to Colomiers | 5,832.65 mi (9,386.74 km) |
| Rancho Cucamonga to Combs-la-Ville | 5,634.85 mi (9,068.42 km) |
| Rancho Cucamonga to Comines | 5,549.57 mi (8,931.18 km) |
| Rancho Cucamonga to Compiegne | 5,607.93 mi (9,025.09 km) |
| Rancho Cucamonga to Concarneau | 5,448.07 mi (8,767.82 km) |
| Rancho Cucamonga to Conde-sur-l'Escaut | 5,582.93 mi (8,984.86 km) |
| Rancho Cucamonga to Conflans-Sainte-Honorine | 5,603.97 mi (9,018.72 km) |
| Rancho Cucamonga to Corbas | 5,858.74 mi (9,428.73 km) |
| Rancho Cucamonga to Corbeil-Essonnes | 5,634.95 mi (9,068.57 km) |
| Rancho Cucamonga to Cormeilles-en-Parisis | 5,608.57 mi (9,026.12 km) |
| Rancho Cucamonga to Cosne sur Loire | 5,707.28 mi (9,184.98 km) |
