| Somerville to Carmona | 3,398.99 mi (5,470.14 km) |
| Somerville to Cartagena | 3,619.53 mi (5,825.06 km) |
| Somerville to Cartama | 3,472.23 mi (5,588.01 km) |
| Somerville to Cartaya | 3,330.77 mi (5,360.36 km) |
| Somerville to Caspe | 3,547.87 mi (5,709.74 km) |
| Somerville to Cassa de la Selva | 3,661.41 mi (5,892.47 km) |
| Somerville to Castalla | 3,601.59 mi (5,796.19 km) |
| Somerville to Castellbisbal | 3,633.52 mi (5,847.58 km) |
| Somerville to Castelldefels | 3,639.49 mi (5,857.19 km) |
| Somerville to Castello de Ampurias | 3,658.92 mi (5,888.46 km) |
| Somerville to Castellon de la Plana | 3,587.08 mi (5,772.85 km) |
| Somerville to Castilleja de la Cuesta | 3,381.34 mi (5,441.74 km) |
| Somerville to Catarroja | 3,588.13 mi (5,774.55 km) |
| Somerville to Catral | 3,609.51 mi (5,808.94 km) |
| Somerville to Caudete | 3,582.98 mi (5,766.25 km) |
