| San Luis Obispo to Casamassima | 6,522.96 mi (10,497.69 km) |
| San Luis Obispo to Casandrino | 6,445.16 mi (10,372.48 km) |
| San Luis Obispo to Casapulla | 6,438.65 mi (10,362.01 km) |
| San Luis Obispo to Casarano | 6,612.85 mi (10,642.36 km) |
| San Luis Obispo to Casatenovo | 6,033.00 mi (9,709.18 km) |
| San Luis Obispo to Casciana Terme | 6,190.52 mi (9,962.68 km) |
| San Luis Obispo to Cascina | 6,179.93 mi (9,945.64 km) |
| San Luis Obispo to Caselle Torinese | 6,009.65 mi (9,671.59 km) |
| San Luis Obispo to Caserta | 6,440.16 mi (10,364.43 km) |
| San Luis Obispo to Casier | 6,123.94 mi (9,855.53 km) |
| San Luis Obispo to Casorate Primo | 6,044.56 mi (9,727.79 km) |
| San Luis Obispo to Casoria | 6,448.55 mi (10,377.93 km) |
| San Luis Obispo to Cassano al Ionio | 6,572.42 mi (10,577.28 km) |
| San Luis Obispo to Cassano d'Adda | 6,048.09 mi (9,733.47 km) |
| San Luis Obispo to Cassano delle Murge | 6,522.47 mi (10,496.89 km) |
