| Olive Branch to Oliveira de Frades | 4,308.94 mi (6,934.57 km) |
| Olive Branch to Oliveira do Bairro | 4,299.29 mi (6,919.05 km) |
| Olive Branch to Oliveira do Hospital | 4,334.36 mi (6,975.48 km) |
| Olive Branch to Ourem | 4,320.32 mi (6,952.88 km) |
| Olive Branch to Ovar | 4,283.22 mi (6,893.18 km) |
| Olive Branch to Pacos de Ferreira | 4,283.39 mi (6,893.45 km) |
| Olive Branch to Palmela | 4,334.77 mi (6,976.13 km) |
| Olive Branch to Paredes | 4,288.40 mi (6,901.52 km) |
| Olive Branch to Paredes de Coura | 4,258.12 mi (6,852.78 km) |
| Olive Branch to Penacova | 4,316.59 mi (6,946.88 km) |
| Olive Branch to Penafiel | 4,290.59 mi (6,905.04 km) |
| Olive Branch to Peniche | 4,289.76 mi (6,903.69 km) |
| Olive Branch to Peso da Regua | 4,315.90 mi (6,945.77 km) |
| Olive Branch to Pinhal Novo | 4,332.24 mi (6,972.07 km) |
| Olive Branch to Pinhel | 4,360.46 mi (7,017.48 km) |
