| Birmingham to Opole | 858.16 mi (1,381.08 km) |
| Birmingham to Orzesze | 903.06 mi (1,453.33 km) |
| Birmingham to Osowa | 845.87 mi (1,361.30 km) |
| Birmingham to Ostroda | 907.73 mi (1,460.85 km) |
| Birmingham to Ostroleka | 977.44 mi (1,573.04 km) |
| Birmingham to Ostrow Mazowiecka | 993.66 mi (1,599.13 km) |
| Birmingham to Ostrow Wielkopolski | 836.94 mi (1,346.92 km) |
| Birmingham to Ostrowiec Swietokrzyski | 999.03 mi (1,607.78 km) |
| Birmingham to Ostrzeszow | 845.25 mi (1,360.30 km) |
| Birmingham to Oswiecim | 925.33 mi (1,489.17 km) |
| Birmingham to Otwock | 975.11 mi (1,569.29 km) |
| Birmingham to Ozarow Mazowiecki | 954.41 mi (1,535.97 km) |
| Birmingham to Ozimek | 869.82 mi (1,399.83 km) |
| Birmingham to Ozorkow | 894.18 mi (1,439.05 km) |
| Birmingham to Pabianice | 902.67 mi (1,452.71 km) |
