| Silea to Castelo Branco | 1,079.02 mi (1,736.51 km) |
| Silea to Castro Daire | 1,065.94 mi (1,715.47 km) |
| Silea to Celorico de Basto | 1,055.60 mi (1,698.83 km) |
| Silea to Chamusca | 1,140.44 mi (1,835.35 km) |
| Silea to Chaves | 1,020.90 mi (1,642.98 km) |
| Silea to Cinfaes | 1,069.76 mi (1,721.61 km) |
| Silea to Coimbra | 1,110.03 mi (1,786.42 km) |
| Silea to Condeixa-a-Nova | 1,116.30 mi (1,796.52 km) |
| Silea to Corroios | 1,196.91 mi (1,926.23 km) |
| Silea to Coruche | 1,155.95 mi (1,860.32 km) |
| Silea to Costa de Caparica | 1,199.78 mi (1,930.86 km) |
| Silea to Covilha | 1,064.04 mi (1,712.40 km) |
| Silea to Eiras | 1,108.82 mi (1,784.48 km) |
| Silea to Elvas | 1,095.67 mi (1,763.31 km) |
| Silea to Entroncamento | 1,135.86 mi (1,827.99 km) |
