| Ada to Oliveira de Frades | 1,459.15 mi (2,348.27 km) |
| Ada to Oliveira do Bairro | 1,479.90 mi (2,381.67 km) |
| Ada to Oliveira do Hospital | 1,453.73 mi (2,339.55 km) |
| Ada to Ourem | 1,508.23 mi (2,427.26 km) |
| Ada to Ovar | 1,476.71 mi (2,376.53 km) |
| Ada to Pacos de Ferreira | 1,454.90 mi (2,341.43 km) |
| Ada to Palmela | 1,558.08 mi (2,507.48 km) |
| Ada to Paredes | 1,453.42 mi (2,339.06 km) |
| Ada to Paredes de Coura | 1,446.52 mi (2,327.95 km) |
| Ada to Penacova | 1,476.44 mi (2,376.11 km) |
| Ada to Penafiel | 1,450.89 mi (2,334.99 km) |
| Ada to Peniche | 1,555.65 mi (2,503.58 km) |
| Ada to Peso da Regua | 1,427.53 mi (2,297.39 km) |
| Ada to Pinhal Novo | 1,556.66 mi (2,505.20 km) |
| Ada to Pinhel | 1,403.68 mi (2,259.00 km) |
