| Rancho Cucamonga to Chivasso | 5,982.30 mi (9,627.58 km) |
| Rancho Cucamonga to Ciampino | 6,313.92 mi (10,161.28 km) |
| Rancho Cucamonga to Cicciano | 6,421.45 mi (10,334.32 km) |
| Rancho Cucamonga to Cingoli | 6,249.60 mi (10,057.76 km) |
| Rancho Cucamonga to Cinisello Balsamo | 6,007.11 mi (9,667.50 km) |
| Rancho Cucamonga to Cinisi | 6,525.35 mi (10,501.53 km) |
| Rancho Cucamonga to Cirie | 5,970.60 mi (9,608.75 km) |
| Rancho Cucamonga to Ciro Marina | 6,592.08 mi (10,608.93 km) |
| Rancho Cucamonga to Cislago | 5,993.91 mi (9,646.26 km) |
| Rancho Cucamonga to Cisterna di Latina | 6,332.57 mi (10,191.29 km) |
| Rancho Cucamonga to Cisternino | 6,525.45 mi (10,501.70 km) |
| Rancho Cucamonga to Citta di Castello | 6,213.73 mi (10,000.03 km) |
| Rancho Cucamonga to Citta Sant'Angelo | 6,321.80 mi (10,173.95 km) |
| Rancho Cucamonga to Cittadella | 6,082.81 mi (9,789.33 km) |
| Rancho Cucamonga to Cittanova | 6,615.08 mi (10,645.94 km) |
