| Rancho Santa Margarita to Casamassima | 6,527.09 mi (10,504.33 km) |
| Rancho Santa Margarita to Casandrino | 6,443.32 mi (10,369.52 km) |
| Rancho Santa Margarita to Casapulla | 6,437.17 mi (10,359.63 km) |
| Rancho Santa Margarita to Casarano | 6,617.90 mi (10,650.49 km) |
| Rancho Santa Margarita to Casatenovo | 6,031.75 mi (9,707.16 km) |
| Rancho Santa Margarita to Casciana Terme | 6,186.82 mi (9,956.72 km) |
| Rancho Santa Margarita to Cascina | 6,176.44 mi (9,940.02 km) |
| Rancho Santa Margarita to Caselle Torinese | 6,003.94 mi (9,662.40 km) |
| Rancho Santa Margarita to Caserta | 6,438.79 mi (10,362.23 km) |
| Rancho Santa Margarita to Casier | 6,128.46 mi (9,862.80 km) |
| Rancho Santa Margarita to Casorate Primo | 6,041.84 mi (9,723.40 km) |
| Rancho Santa Margarita to Casoria | 6,446.74 mi (10,375.03 km) |
| Rancho Santa Margarita to Cassano al Ionio | 6,572.73 mi (10,577.79 km) |
| Rancho Santa Margarita to Cassano d'Adda | 6,046.85 mi (9,731.46 km) |
| Rancho Santa Margarita to Cassano delle Murge | 6,526.12 mi (10,502.77 km) |
