| Portes-les-Valence to Orzesze | 741.39 mi (1,193.15 km) |
| Portes-les-Valence to Osowa | 894.51 mi (1,439.57 km) |
| Portes-les-Valence to Ostroda | 910.11 mi (1,464.68 km) |
| Portes-les-Valence to Ostroleka | 941.49 mi (1,515.17 km) |
| Portes-les-Valence to Ostrow Mazowiecka | 944.52 mi (1,520.06 km) |
| Portes-les-Valence to Ostrow Wielkopolski | 755.42 mi (1,215.73 km) |
| Portes-les-Valence to Ostrowiec Swietokrzyski | 869.65 mi (1,399.57 km) |
| Portes-les-Valence to Ostrzeszow | 751.01 mi (1,208.63 km) |
| Portes-les-Valence to Oswiecim | 757.50 mi (1,219.08 km) |
| Portes-les-Valence to Otwock | 898.82 mi (1,446.52 km) |
| Portes-les-Valence to Ozarow Mazowiecki | 884.61 mi (1,423.63 km) |
| Portes-les-Valence to Ozimek | 735.96 mi (1,184.41 km) |
| Portes-les-Valence to Ozorkow | 820.16 mi (1,319.92 km) |
| Portes-les-Valence to Pabianice | 812.83 mi (1,308.13 km) |
| Portes-les-Valence to Parczew | 946.69 mi (1,523.55 km) |
