| Dumbarton to Carmona | 1,278.03 mi (2,056.80 km) |
| Dumbarton to Cartagena | 1,278.73 mi (2,057.92 km) |
| Dumbarton to Cartama | 1,329.26 mi (2,139.24 km) |
| Dumbarton to Cartaya | 1,295.33 mi (2,084.64 km) |
| Dumbarton to Caspe | 1,037.16 mi (1,669.14 km) |
| Dumbarton to Cassa de la Selva | 1,027.14 mi (1,653.02 km) |
| Dumbarton to Castalla | 1,212.35 mi (1,951.08 km) |
| Dumbarton to Castellbisbal | 1,042.48 mi (1,677.72 km) |
| Dumbarton to Castelldefels | 1,055.60 mi (1,698.82 km) |
| Dumbarton to Castello de Ampurias | 1,005.71 mi (1,618.54 km) |
| Dumbarton to Castellon de la Plana | 1,122.36 mi (1,806.27 km) |
| Dumbarton to Castilleja de la Cuesta | 1,284.69 mi (2,067.50 km) |
| Dumbarton to Catarroja | 1,159.06 mi (1,865.32 km) |
| Dumbarton to Catral | 1,241.44 mi (1,997.91 km) |
| Dumbarton to Caudete | 1,202.88 mi (1,935.85 km) |
