| Sierning to Castelo Branco | 1,219.19 mi (1,962.10 km) |
| Sierning to Castro Daire | 1,197.04 mi (1,926.45 km) |
| Sierning to Celorico de Basto | 1,182.75 mi (1,903.45 km) |
| Sierning to Chamusca | 1,280.57 mi (2,060.87 km) |
| Sierning to Chaves | 1,146.73 mi (1,845.48 km) |
| Sierning to Cinfaes | 1,198.72 mi (1,929.15 km) |
| Sierning to Coimbra | 1,244.60 mi (2,002.99 km) |
| Sierning to Condeixa-a-Nova | 1,251.31 mi (2,013.79 km) |
| Sierning to Corroios | 1,339.45 mi (2,155.64 km) |
| Sierning to Coruche | 1,298.38 mi (2,089.54 km) |
| Sierning to Costa de Caparica | 1,341.89 mi (2,159.57 km) |
| Sierning to Covilha | 1,200.99 mi (1,932.81 km) |
| Sierning to Eiras | 1,243.19 mi (2,000.73 km) |
| Sierning to Elvas | 1,242.99 mi (2,000.40 km) |
| Sierning to Entroncamento | 1,275.30 mi (2,052.40 km) |
