| Soma to Cadiz | 1,847.83 mi (2,973.79 km) |
| Soma to Calafell | 1,376.14 mi (2,214.69 km) |
| Soma to Calahorra | 1,555.09 mi (2,502.68 km) |
| Soma to Calasparra | 1,574.70 mi (2,534.23 km) |
| Soma to Calatayud | 1,541.50 mi (2,480.81 km) |
| Soma to Caldas de Montbuy | 1,344.11 mi (2,163.13 km) |
| Soma to Caldas de Reyes | 1,893.14 mi (3,046.72 km) |
| Soma to Calella | 1,318.48 mi (2,121.89 km) |
| Soma to Callosa de Segura | 1,532.58 mi (2,466.44 km) |
| Soma to Calpe | 1,476.59 mi (2,376.35 km) |
| Soma to Calvia | 1,336.61 mi (2,151.07 km) |
| Soma to Camas | 1,818.01 mi (2,925.80 km) |
| Soma to Cambados | 1,902.00 mi (3,060.97 km) |
| Soma to Cambre | 1,874.07 mi (3,016.02 km) |
| Soma to Cambrils | 1,403.30 mi (2,258.39 km) |
