| Soma to Campo de Criptana | 1,634.99 mi (2,631.26 km) |
| Soma to Campos del Puerto | 1,310.57 mi (2,109.15 km) |
| Soma to Canals | 1,506.22 mi (2,424.03 km) |
| Soma to Candelaria | 2,606.85 mi (4,195.32 km) |
| Soma to Canet de Mar | 1,322.72 mi (2,128.71 km) |
| Soma to Cangas | 1,902.71 mi (3,062.12 km) |
| Soma to Cangas de Narcea | 1,784.34 mi (2,871.62 km) |
| Soma to Canovellas | 1,338.25 mi (2,153.70 km) |
| Soma to Canteras | 1,548.84 mi (2,492.62 km) |
| Soma to Cantillana | 1,803.15 mi (2,901.90 km) |
| Soma to Capdepera | 1,286.51 mi (2,070.43 km) |
| Soma to Carballo | 1,891.97 mi (3,044.83 km) |
| Soma to Carcagente | 1,497.21 mi (2,409.52 km) |
| Soma to Cardedeu | 1,334.19 mi (2,147.17 km) |
| Soma to Carlet | 1,499.90 mi (2,413.85 km) |
