| Simi Valley to Castrovillari | 6,566.91 mi (10,568.42 km) |
| Simi Valley to Catania | 6,660.21 mi (10,718.57 km) |
| Simi Valley to Catanzaro | 6,630.77 mi (10,671.19 km) |
| Simi Valley to Cattolica | 6,230.73 mi (10,027.39 km) |
| Simi Valley to Cava de' Tirreni | 6,470.83 mi (10,413.80 km) |
| Simi Valley to Cavallino | 6,599.72 mi (10,621.23 km) |
| Simi Valley to Cavarzere | 6,147.47 mi (9,893.39 km) |
| Simi Valley to Cave | 6,353.74 mi (10,225.36 km) |
| Simi Valley to Cavriago | 6,122.92 mi (9,853.89 km) |
| Simi Valley to Cavriglia | 6,216.00 mi (10,003.68 km) |
| Simi Valley to Cazzago San Martino | 6,060.34 mi (9,753.18 km) |
| Simi Valley to Ceccano | 6,380.06 mi (10,267.71 km) |
| Simi Valley to Cecina | 6,195.84 mi (9,971.25 km) |
| Simi Valley to Cefalu | 6,595.40 mi (10,614.27 km) |
| Simi Valley to Ceglie Messapico | 6,559.83 mi (10,557.02 km) |
