| Ostrow Mazowiecka to Oswestry | 1,036.45 mi (1,668.00 km) |
| Ostrow Mazowiecka to Otley | 971.22 mi (1,563.03 km) |
| Ostrow Mazowiecka to Ovenden | 980.04 mi (1,577.21 km) |
| Ostrow Mazowiecka to Oxford | 977.42 mi (1,573.00 km) |
| Ostrow Mazowiecka to Oxted | 933.65 mi (1,502.56 km) |
| Ostrow Mazowiecka to Padbury | 961.32 mi (1,547.09 km) |
| Ostrow Mazowiecka to Padiham | 997.25 mi (1,604.92 km) |
| Ostrow Mazowiecka to Paignton | 1,098.57 mi (1,767.97 km) |
| Ostrow Mazowiecka to Paisley | 1,074.53 mi (1,729.28 km) |
| Ostrow Mazowiecka to Palmers Green | 931.75 mi (1,499.50 km) |
| Ostrow Mazowiecka to Parkstone | 1,025.40 mi (1,650.22 km) |
| Ostrow Mazowiecka to Partick | 1,070.22 mi (1,722.35 km) |
| Ostrow Mazowiecka to Patcham | 947.10 mi (1,524.22 km) |
| Ostrow Mazowiecka to Peebles | 1,026.40 mi (1,651.83 km) |
| Ostrow Mazowiecka to Pelsall | 994.63 mi (1,600.70 km) |
