| Perivale to Opole | 792.11 mi (1,274.78 km) |
| Perivale to Orzesze | 835.04 mi (1,343.87 km) |
| Perivale to Osowa | 804.04 mi (1,293.97 km) |
| Perivale to Ostroda | 860.87 mi (1,385.43 km) |
| Perivale to Ostroleka | 927.01 mi (1,491.89 km) |
| Perivale to Ostrow Mazowiecka | 941.82 mi (1,515.71 km) |
| Perivale to Ostrow Wielkopolski | 776.47 mi (1,249.61 km) |
| Perivale to Ostrowiec Swietokrzyski | 937.06 mi (1,508.04 km) |
| Perivale to Ostrzeszow | 783.46 mi (1,260.86 km) |
| Perivale to Oswiecim | 857.20 mi (1,379.52 km) |
| Perivale to Otwock | 919.22 mi (1,479.34 km) |
| Perivale to Ozarow Mazowiecki | 898.85 mi (1,446.56 km) |
| Perivale to Ozimek | 804.03 mi (1,293.97 km) |
| Perivale to Ozorkow | 836.44 mi (1,346.11 km) |
| Perivale to Pabianice | 843.15 mi (1,356.92 km) |
