| Simi Valley to Castelfidardo | 6,283.07 mi (10,111.63 km) |
| Simi Valley to Castelfiorentino | 6,195.16 mi (9,970.15 km) |
| Simi Valley to Castelfranco di Sopra | 6,212.63 mi (9,998.27 km) |
| Simi Valley to Castelfranco di Sotto | 6,182.94 mi (9,950.47 km) |
| Simi Valley to Castelfranco Emilia | 6,144.70 mi (9,888.94 km) |
| Simi Valley to Castelfranco Veneto | 6,114.42 mi (9,840.22 km) |
| Simi Valley to Castellabate | 6,502.08 mi (10,464.08 km) |
| Simi Valley to Castellammare del Golfo | 6,557.77 mi (10,553.71 km) |
| Simi Valley to Castellammare di Stabia | 6,464.19 mi (10,403.11 km) |
| Simi Valley to Castellamonte | 5,997.31 mi (9,651.74 km) |
| Simi Valley to Castellana Grotte | 6,536.61 mi (10,519.66 km) |
| Simi Valley to Castellaneta | 6,543.64 mi (10,530.98 km) |
| Simi Valley to Castellanza | 6,023.13 mi (9,693.29 km) |
| Simi Valley to Castellarano | 6,137.86 mi (9,877.93 km) |
| Simi Valley to Castelleone | 6,067.13 mi (9,764.10 km) |
