| Oro Valley to Castelfidardo | 6,132.95 mi (9,870.03 km) |
| Oro Valley to Castelfiorentino | 6,035.03 mi (9,712.45 km) |
| Oro Valley to Castelfranco di Sopra | 6,055.04 mi (9,744.65 km) |
| Oro Valley to Castelfranco di Sotto | 6,022.45 mi (9,692.19 km) |
| Oro Valley to Castelfranco Emilia | 5,990.09 mi (9,640.12 km) |
| Oro Valley to Castelfranco Veneto | 5,968.91 mi (9,606.03 km) |
| Oro Valley to Castellabate | 6,342.22 mi (10,206.82 km) |
| Oro Valley to Castellammare del Golfo | 6,377.53 mi (10,263.65 km) |
| Oro Valley to Castellammare di Stabia | 6,304.29 mi (10,145.77 km) |
| Oro Valley to Castellamonte | 5,833.79 mi (9,388.58 km) |
| Oro Valley to Castellana Grotte | 6,389.72 mi (10,283.26 km) |
| Oro Valley to Castellaneta | 6,394.48 mi (10,290.93 km) |
| Oro Valley to Castellanza | 5,865.42 mi (9,439.48 km) |
| Oro Valley to Castellarano | 5,982.01 mi (9,627.12 km) |
| Oro Valley to Castelleone | 5,911.05 mi (9,512.92 km) |
