| Cumnock to Cascais | 1,181.83 mi (1,901.97 km) |
| Cumnock to Castelo Branco | 1,090.51 mi (1,755.01 km) |
| Cumnock to Castro Daire | 1,019.26 mi (1,640.34 km) |
| Cumnock to Celorico de Basto | 986.73 mi (1,587.99 km) |
| Cumnock to Chamusca | 1,129.44 mi (1,817.66 km) |
| Cumnock to Chaves | 958.44 mi (1,542.45 km) |
| Cumnock to Cinfaes | 1,007.13 mi (1,620.82 km) |
| Cumnock to Coimbra | 1,070.20 mi (1,722.32 km) |
| Cumnock to Condeixa-a-Nova | 1,077.22 mi (1,733.62 km) |
| Cumnock to Corroios | 1,185.22 mi (1,907.43 km) |
| Cumnock to Coruche | 1,156.65 mi (1,861.45 km) |
| Cumnock to Costa de Caparica | 1,183.94 mi (1,905.37 km) |
| Cumnock to Covilha | 1,058.50 mi (1,703.50 km) |
| Cumnock to Eiras | 1,068.04 mi (1,718.84 km) |
| Cumnock to Elvas | 1,153.74 mi (1,856.76 km) |
