| Rancho Cucamonga to Castelletto sopra Ticino | 5,979.73 mi (9,623.45 km) |
| Rancho Cucamonga to Castelli Calepio | 6,024.62 mi (9,695.69 km) |
| Rancho Cucamonga to Castelnovo ne' Monti | 6,103.24 mi (9,822.22 km) |
| Rancho Cucamonga to Castelnuovo Berardenga | 6,196.02 mi (9,971.54 km) |
| Rancho Cucamonga to Castelnuovo di Porto | 6,292.85 mi (10,127.36 km) |
| Rancho Cucamonga to Castelnuovo di Verona | 6,062.50 mi (9,756.66 km) |
| Rancho Cucamonga to Castelnuovo Rangone | 6,114.22 mi (9,839.88 km) |
| Rancho Cucamonga to Castelvetrano | 6,540.69 mi (10,526.22 km) |
| Rancho Cucamonga to Castelvetro di Modena | 6,117.38 mi (9,844.98 km) |
| Rancho Cucamonga to Castenaso | 6,133.43 mi (9,870.80 km) |
| Rancho Cucamonga to Castenedolo | 6,045.71 mi (9,729.62 km) |
| Rancho Cucamonga to Castiglion Fiorentino | 6,209.56 mi (9,993.31 km) |
| Rancho Cucamonga to Castiglione del Lago | 6,224.62 mi (10,017.55 km) |
| Rancho Cucamonga to Castiglione delle Stiviere | 6,055.83 mi (9,745.91 km) |
| Rancho Cucamonga to Castrolibero | 6,565.48 mi (10,566.11 km) |
