| San Luis Obispo to Castelfidardo | 6,282.00 mi (10,109.91 km) |
| San Luis Obispo to Castelfiorentino | 6,197.24 mi (9,973.49 km) |
| San Luis Obispo to Castelfranco di Sopra | 6,213.92 mi (10,000.34 km) |
| San Luis Obispo to Castelfranco di Sotto | 6,185.15 mi (9,954.04 km) |
| San Luis Obispo to Castelfranco Emilia | 6,145.27 mi (9,889.85 km) |
| San Luis Obispo to Castelfranco Veneto | 6,112.41 mi (9,836.97 km) |
| San Luis Obispo to Castellabate | 6,503.35 mi (10,466.14 km) |
| San Luis Obispo to Castellammare del Golfo | 6,564.99 mi (10,565.33 km) |
| San Luis Obispo to Castellammare di Stabia | 6,465.57 mi (10,405.34 km) |
| San Luis Obispo to Castellamonte | 6,000.85 mi (9,657.44 km) |
| San Luis Obispo to Castellana Grotte | 6,534.00 mi (10,515.45 km) |
| San Luis Obispo to Castellaneta | 6,541.68 mi (10,527.81 km) |
| San Luis Obispo to Castellanza | 6,024.90 mi (9,696.14 km) |
| San Luis Obispo to Castellarano | 6,138.81 mi (9,879.46 km) |
| San Luis Obispo to Castelleone | 6,068.31 mi (9,766.00 km) |
