| Arco to Oliveira do Bairro | 1,041.61 mi (1,676.31 km) |
| Arco to Oliveira do Hospital | 1,017.08 mi (1,636.83 km) |
| Arco to Ourem | 1,073.53 mi (1,727.68 km) |
| Arco to Ovar | 1,036.94 mi (1,668.80 km) |
| Arco to Pacos de Ferreira | 1,014.06 mi (1,631.97 km) |
| Arco to Palmela | 1,128.01 mi (1,815.35 km) |
| Arco to Paredes | 1,012.87 mi (1,630.06 km) |
| Arco to Paredes de Coura | 1,003.74 mi (1,615.37 km) |
| Arco to Penacova | 1,039.48 mi (1,672.88 km) |
| Arco to Penafiel | 1,010.38 mi (1,626.04 km) |
| Arco to Peniche | 1,120.81 mi (1,803.78 km) |
| Arco to Peso da Regua | 987.75 mi (1,589.63 km) |
| Arco to Pinhal Novo | 1,126.22 mi (1,812.48 km) |
| Arco to Pinhel | 966.44 mi (1,555.33 km) |
| Arco to Pombal | 1,067.26 mi (1,717.58 km) |
