| San Luis Obispo to Collegno | 6,012.63 mi (9,676.39 km) |
| San Luis Obispo to Cologno al Serio | 6,050.92 mi (9,738.02 km) |
| San Luis Obispo to Cologno Monzese | 6,041.13 mi (9,722.26 km) |
| San Luis Obispo to Colorno | 6,106.76 mi (9,827.89 km) |
| San Luis Obispo to Comacchio | 6,173.15 mi (9,934.72 km) |
| San Luis Obispo to Comiso | 6,680.50 mi (10,751.23 km) |
| San Luis Obispo to Como | 6,020.15 mi (9,688.50 km) |
| San Luis Obispo to Concordia Sagittaria | 6,133.25 mi (9,870.51 km) |
| San Luis Obispo to Concorezzo | 6,039.59 mi (9,719.77 km) |
| San Luis Obispo to Conegliano | 6,110.75 mi (9,834.30 km) |
| San Luis Obispo to Conselice | 6,172.94 mi (9,934.39 km) |
| San Luis Obispo to Conselve | 6,134.39 mi (9,872.34 km) |
| San Luis Obispo to Conversano | 6,527.75 mi (10,505.40 km) |
| San Luis Obispo to Copertino | 6,594.99 mi (10,613.61 km) |
| San Luis Obispo to Copparo | 6,151.80 mi (9,900.36 km) |
