| Simi Valley to Collegno | 6,008.47 mi (9,669.70 km) |
| Simi Valley to Cologno al Serio | 6,050.08 mi (9,736.66 km) |
| Simi Valley to Cologno Monzese | 6,039.69 mi (9,719.95 km) |
| Simi Valley to Colorno | 6,105.83 mi (9,826.39 km) |
| Simi Valley to Comacchio | 6,174.15 mi (9,936.33 km) |
| Simi Valley to Comiso | 6,674.29 mi (10,741.23 km) |
| Simi Valley to Como | 6,018.89 mi (9,686.47 km) |
| Simi Valley to Concordia Sagittaria | 6,136.55 mi (9,875.82 km) |
| Simi Valley to Concorezzo | 6,038.31 mi (9,717.71 km) |
| Simi Valley to Conegliano | 6,113.53 mi (9,838.77 km) |
| Simi Valley to Conselice | 6,173.24 mi (9,934.88 km) |
| Simi Valley to Conselve | 6,135.72 mi (9,874.49 km) |
| Simi Valley to Conversano | 6,530.40 mi (10,509.66 km) |
| Simi Valley to Copertino | 6,598.08 mi (10,618.58 km) |
| Simi Valley to Copparo | 6,152.63 mi (9,901.70 km) |
