| Great Baddow to Opole | 756.25 mi (1,217.06 km) |
| Great Baddow to Orzesze | 799.57 mi (1,286.79 km) |
| Great Baddow to Osowa | 766.49 mi (1,233.55 km) |
| Great Baddow to Ostroda | 823.32 mi (1,325.00 km) |
| Great Baddow to Ostroleka | 889.57 mi (1,431.62 km) |
| Great Baddow to Ostrow Mazowiecka | 904.44 mi (1,455.56 km) |
| Great Baddow to Ostrow Wielkopolski | 739.77 mi (1,190.54 km) |
| Great Baddow to Ostrowiec Swietokrzyski | 900.60 mi (1,449.38 km) |
| Great Baddow to Ostrzeszow | 746.93 mi (1,202.07 km) |
| Great Baddow to Oswiecim | 821.76 mi (1,322.50 km) |
| Great Baddow to Otwock | 882.11 mi (1,419.61 km) |
| Great Baddow to Ozarow Mazowiecki | 861.70 mi (1,386.78 km) |
| Great Baddow to Ozimek | 768.12 mi (1,236.18 km) |
| Great Baddow to Ozorkow | 799.46 mi (1,286.61 km) |
| Great Baddow to Pabianice | 806.36 mi (1,297.72 km) |
