| Highgate to Carmona | 1,010.64 mi (1,626.47 km) |
| Highgate to Cartagena | 966.21 mi (1,554.96 km) |
| Highgate to Cartama | 1,050.04 mi (1,689.88 km) |
| Highgate to Cartaya | 1,044.80 mi (1,681.44 km) |
| Highgate to Caspe | 714.33 mi (1,149.60 km) |
| Highgate to Cassa de la Selva | 683.93 mi (1,100.68 km) |
| Highgate to Castalla | 896.84 mi (1,443.32 km) |
| Highgate to Castellbisbal | 704.70 mi (1,134.10 km) |
| Highgate to Castelldefels | 718.14 mi (1,155.73 km) |
| Highgate to Castello de Ampurias | 661.02 mi (1,063.80 km) |
| Highgate to Castellon de la Plana | 800.71 mi (1,288.61 km) |
| Highgate to Castilleja de la Cuesta | 1,021.79 mi (1,644.40 km) |
| Highgate to Catarroja | 840.88 mi (1,353.26 km) |
| Highgate to Catral | 927.25 mi (1,492.26 km) |
| Highgate to Caudete | 889.97 mi (1,432.27 km) |
