| Oirschot to Oliveira do Bairro | 1,003.83 mi (1,615.52 km) |
| Oirschot to Oliveira do Hospital | 993.21 mi (1,598.42 km) |
| Oirschot to Ourem | 1,054.69 mi (1,697.36 km) |
| Oirschot to Ovar | 988.66 mi (1,591.09 km) |
| Oirschot to Pacos de Ferreira | 959.35 mi (1,543.92 km) |
| Oirschot to Palmela | 1,126.87 mi (1,813.52 km) |
| Oirschot to Paredes | 960.87 mi (1,546.37 km) |
| Oirschot to Paredes de Coura | 929.86 mi (1,496.47 km) |
| Oirschot to Penacova | 1,010.95 mi (1,626.96 km) |
| Oirschot to Penafiel | 958.98 mi (1,543.33 km) |
| Oirschot to Peniche | 1,096.08 mi (1,763.98 km) |
| Oirschot to Peso da Regua | 945.32 mi (1,521.34 km) |
| Oirschot to Pinhal Novo | 1,123.56 mi (1,808.19 km) |
| Oirschot to Pinhel | 945.37 mi (1,521.42 km) |
| Oirschot to Pombal | 1,041.47 mi (1,676.08 km) |
