| Orsta to Castelo Branco | 1,648.30 mi (2,652.69 km) |
| Orsta to Castro Daire | 1,582.90 mi (2,547.43 km) |
| Orsta to Celorico de Basto | 1,552.01 mi (2,497.72 km) |
| Orsta to Chamusca | 1,693.82 mi (2,725.95 km) |
| Orsta to Chaves | 1,520.35 mi (2,446.77 km) |
| Orsta to Cinfaes | 1,572.76 mi (2,531.11 km) |
| Orsta to Coimbra | 1,636.02 mi (2,632.92 km) |
| Orsta to Condeixa-a-Nova | 1,643.35 mi (2,644.71 km) |
| Orsta to Corroios | 1,752.75 mi (2,820.77 km) |
| Orsta to Coruche | 1,720.54 mi (2,768.95 km) |
| Orsta to Costa de Caparica | 1,752.08 mi (2,819.71 km) |
| Orsta to Covilha | 1,617.30 mi (2,602.79 km) |
| Orsta to Eiras | 1,633.89 mi (2,629.49 km) |
| Orsta to Elvas | 1,706.68 mi (2,746.63 km) |
| Orsta to Entroncamento | 1,685.96 mi (2,713.28 km) |
