| Englefield Green to Opole | 803.29 mi (1,292.78 km) |
| Englefield Green to Orzesze | 845.99 mi (1,361.49 km) |
| Englefield Green to Osowa | 816.83 mi (1,314.57 km) |
| Englefield Green to Ostroda | 873.45 mi (1,405.68 km) |
| Englefield Green to Ostroleka | 939.40 mi (1,511.81 km) |
| Englefield Green to Ostrow Mazowiecka | 954.12 mi (1,535.50 km) |
| Englefield Green to Ostrow Wielkopolski | 788.19 mi (1,268.47 km) |
| Englefield Green to Ostrowiec Swietokrzyski | 948.59 mi (1,526.62 km) |
| Englefield Green to Ostrzeszow | 795.07 mi (1,279.53 km) |
| Englefield Green to Oswiecim | 868.12 mi (1,397.11 km) |
| Englefield Green to Otwock | 931.26 mi (1,498.71 km) |
| Englefield Green to Ozarow Mazowiecki | 910.91 mi (1,465.98 km) |
| Englefield Green to Ozimek | 815.24 mi (1,312.00 km) |
| Englefield Green to Ozorkow | 848.36 mi (1,365.30 km) |
| Englefield Green to Pabianice | 854.93 mi (1,375.88 km) |
