| San Luis Obispo to Castelletto sopra Ticino | 6,011.41 mi (9,674.43 km) |
| San Luis Obispo to Castelli Calepio | 6,054.23 mi (9,743.34 km) |
| San Luis Obispo to Castelnovo ne' Monti | 6,134.49 mi (9,872.51 km) |
| San Luis Obispo to Castelnuovo Berardenga | 6,227.48 mi (10,022.17 km) |
| San Luis Obispo to Castelnuovo di Porto | 6,324.90 mi (10,178.94 km) |
| San Luis Obispo to Castelnuovo di Verona | 6,090.97 mi (9,802.47 km) |
| San Luis Obispo to Castelnuovo Rangone | 6,144.24 mi (9,888.19 km) |
| San Luis Obispo to Castelvetrano | 6,581.21 mi (10,591.44 km) |
| San Luis Obispo to Castelvetro di Modena | 6,147.47 mi (9,893.40 km) |
| San Luis Obispo to Castenaso | 6,162.54 mi (9,917.65 km) |
| San Luis Obispo to Castenedolo | 6,074.95 mi (9,776.68 km) |
| San Luis Obispo to Castiglion Fiorentino | 6,240.24 mi (10,042.69 km) |
| San Luis Obispo to Castiglione del Lago | 6,255.48 mi (10,067.22 km) |
| San Luis Obispo to Castiglione delle Stiviere | 6,084.85 mi (9,792.62 km) |
| San Luis Obispo to Castrolibero | 6,595.65 mi (10,614.67 km) |
