| Union City to Carmona | 5,854.74 mi (9,422.29 km) |
| Union City to Cartagena | 6,025.62 mi (9,697.30 km) |
| Union City to Cartama | 5,930.72 mi (9,544.57 km) |
| Union City to Cartaya | 5,803.79 mi (9,340.29 km) |
| Union City to Caspe | 5,875.14 mi (9,455.13 km) |
| Union City to Cassa de la Selva | 5,940.89 mi (9,560.94 km) |
| Union City to Castalla | 5,986.53 mi (9,634.38 km) |
| Union City to Castellbisbal | 5,932.28 mi (9,547.09 km) |
| Union City to Castelldefels | 5,942.32 mi (9,563.25 km) |
| Union City to Castello de Ampurias | 5,928.23 mi (9,540.56 km) |
| Union City to Castellon de la Plana | 5,938.95 mi (9,557.82 km) |
| Union City to Castilleja de la Cuesta | 5,842.44 mi (9,402.51 km) |
| Union City to Catarroja | 5,955.22 mi (9,584.00 km) |
| Union City to Catral | 6,003.80 mi (9,662.18 km) |
| Union City to Caudete | 5,969.44 mi (9,606.88 km) |
