| Swindon to Carmona | 991.73 mi (1,596.03 km) |
| Swindon to Cartagena | 965.33 mi (1,553.54 km) |
| Swindon to Cartama | 1,035.42 mi (1,666.35 km) |
| Swindon to Cartaya | 1,020.69 mi (1,642.65 km) |
| Swindon to Caspe | 718.29 mi (1,155.97 km) |
| Swindon to Cassa de la Selva | 703.23 mi (1,131.75 km) |
| Swindon to Castalla | 897.28 mi (1,444.04 km) |
| Swindon to Castellbisbal | 719.03 mi (1,157.17 km) |
| Swindon to Castelldefels | 732.21 mi (1,178.38 km) |
| Swindon to Castello de Ampurias | 681.93 mi (1,097.47 km) |
| Swindon to Castellon de la Plana | 804.24 mi (1,294.30 km) |
| Swindon to Castilleja de la Cuesta | 1,001.44 mi (1,611.66 km) |
| Swindon to Catarroja | 842.58 mi (1,356.00 km) |
| Swindon to Catral | 927.10 mi (1,492.02 km) |
| Swindon to Caudete | 889.06 mi (1,430.80 km) |
