| Dunstable to Opole | 799.90 mi (1,287.31 km) |
| Dunstable to Orzesze | 843.61 mi (1,357.66 km) |
| Dunstable to Osowa | 803.53 mi (1,293.16 km) |
| Dunstable to Ostroda | 862.02 mi (1,387.29 km) |
| Dunstable to Ostroleka | 929.39 mi (1,495.71 km) |
| Dunstable to Ostrow Mazowiecka | 944.67 mi (1,520.30 km) |
| Dunstable to Ostrow Wielkopolski | 782.18 mi (1,258.79 km) |
| Dunstable to Ostrowiec Swietokrzyski | 943.43 mi (1,518.30 km) |
| Dunstable to Ostrzeszow | 789.65 mi (1,270.82 km) |
| Dunstable to Oswiecim | 865.82 mi (1,393.41 km) |
| Dunstable to Otwock | 923.43 mi (1,486.12 km) |
| Dunstable to Ozarow Mazowiecki | 902.93 mi (1,453.13 km) |
| Dunstable to Ozimek | 811.72 mi (1,306.34 km) |
| Dunstable to Ozorkow | 841.23 mi (1,353.83 km) |
| Dunstable to Pabianice | 848.57 mi (1,365.65 km) |
