| Orsay to Oliveira do Bairro | 770.51 mi (1,240.01 km) |
| Orsay to Oliveira do Hospital | 758.32 mi (1,220.39 km) |
| Orsay to Ourem | 819.86 mi (1,319.44 km) |
| Orsay to Ovar | 756.47 mi (1,217.42 km) |
| Orsay to Pacos de Ferreira | 727.66 mi (1,171.05 km) |
| Orsay to Palmela | 891.07 mi (1,434.04 km) |
| Orsay to Paredes | 728.83 mi (1,172.93 km) |
| Orsay to Paredes de Coura | 700.70 mi (1,127.67 km) |
| Orsay to Penacova | 776.68 mi (1,249.94 km) |
| Orsay to Penafiel | 726.83 mi (1,169.72 km) |
| Orsay to Peniche | 862.18 mi (1,387.55 km) |
| Orsay to Peso da Regua | 711.87 mi (1,145.65 km) |
| Orsay to Pinhal Novo | 887.85 mi (1,428.86 km) |
| Orsay to Pinhel | 709.79 mi (1,142.30 km) |
| Orsay to Pombal | 807.20 mi (1,299.06 km) |
