| Mastic Beach to Carmona | 3,519.68 mi (5,664.38 km) |
| Mastic Beach to Cartagena | 3,743.27 mi (6,024.20 km) |
| Mastic Beach to Cartama | 3,592.38 mi (5,781.37 km) |
| Mastic Beach to Cartaya | 3,450.19 mi (5,552.55 km) |
| Mastic Beach to Caspe | 3,676.93 mi (5,917.45 km) |
| Mastic Beach to Cassa de la Selva | 3,792.54 mi (6,103.51 km) |
| Mastic Beach to Castalla | 3,726.88 mi (5,997.84 km) |
| Mastic Beach to Castellbisbal | 3,763.79 mi (6,057.23 km) |
| Mastic Beach to Castelldefels | 3,769.52 mi (6,066.46 km) |
| Mastic Beach to Castello de Ampurias | 3,790.55 mi (6,100.30 km) |
| Mastic Beach to Castellon de la Plana | 3,714.55 mi (5,978.00 km) |
| Mastic Beach to Castilleja de la Cuesta | 3,501.63 mi (5,635.33 km) |
| Mastic Beach to Catarroja | 3,714.66 mi (5,978.16 km) |
| Mastic Beach to Catral | 3,734.13 mi (6,009.50 km) |
| Mastic Beach to Caudete | 3,708.25 mi (5,967.84 km) |
