| Oro Valley to Castelletto sopra Ticino | 5,851.26 mi (9,416.70 km) |
| Oro Valley to Castelli Calepio | 5,899.95 mi (9,495.05 km) |
| Oro Valley to Castelnovo ne' Monti | 5,974.79 mi (9,615.50 km) |
| Oro Valley to Castelnuovo Berardenga | 6,066.51 mi (9,763.11 km) |
| Oro Valley to Castelnuovo di Porto | 6,161.51 mi (9,915.99 km) |
| Oro Valley to Castelnuovo di Verona | 5,939.83 mi (9,559.24 km) |
| Oro Valley to Castelnuovo Rangone | 5,988.12 mi (9,636.94 km) |
| Oro Valley to Castelvetrano | 6,391.07 mi (10,285.43 km) |
| Oro Valley to Castelvetro di Modena | 5,991.11 mi (9,641.77 km) |
| Oro Valley to Castenaso | 6,009.00 mi (9,670.55 km) |
| Oro Valley to Castenedolo | 5,921.62 mi (9,529.93 km) |
| Oro Valley to Castiglion Fiorentino | 6,081.49 mi (9,787.21 km) |
| Oro Valley to Castiglione del Lago | 6,096.09 mi (9,810.71 km) |
| Oro Valley to Castiglione delle Stiviere | 5,932.10 mi (9,546.80 km) |
| Oro Valley to Castrolibero | 6,435.98 mi (10,357.71 km) |
