| San Luis Obispo to Cortona | 6,246.10 mi (10,052.13 km) |
| San Luis Obispo to Cosenza | 6,598.10 mi (10,618.62 km) |
| San Luis Obispo to Cossato | 6,005.11 mi (9,664.29 km) |
| San Luis Obispo to Costa Volpino | 6,049.48 mi (9,735.70 km) |
| San Luis Obispo to Creazzo | 6,106.63 mi (9,827.67 km) |
| San Luis Obispo to Crema | 6,062.13 mi (9,756.05 km) |
| San Luis Obispo to Cremona | 6,085.34 mi (9,793.41 km) |
| San Luis Obispo to Crevalcore | 6,141.60 mi (9,883.95 km) |
| San Luis Obispo to Crispiano | 6,552.27 mi (10,544.85 km) |
| San Luis Obispo to Crosia | 6,598.18 mi (10,618.74 km) |
| San Luis Obispo to Crotone | 6,636.35 mi (10,680.17 km) |
| San Luis Obispo to Cuneo | 6,048.70 mi (9,734.44 km) |
| San Luis Obispo to Cuorgne | 5,998.51 mi (9,653.66 km) |
| San Luis Obispo to Cusano Milanino | 6,037.10 mi (9,715.77 km) |
| San Luis Obispo to Cutro | 6,635.28 mi (10,678.45 km) |
