| Perry Barr to Opole | 858.27 mi (1,381.25 km) |
| Perry Barr to Orzesze | 903.25 mi (1,453.63 km) |
| Perry Barr to Osowa | 845.02 mi (1,359.94 km) |
| Perry Barr to Ostroda | 907.06 mi (1,459.76 km) |
| Perry Barr to Ostroleka | 976.89 mi (1,572.15 km) |
| Perry Barr to Ostrow Mazowiecka | 993.15 mi (1,598.32 km) |
| Perry Barr to Ostrow Wielkopolski | 836.80 mi (1,346.70 km) |
| Perry Barr to Ostrowiec Swietokrzyski | 998.93 mi (1,607.62 km) |
| Perry Barr to Ostrzeszow | 845.17 mi (1,360.17 km) |
| Perry Barr to Oswiecim | 925.52 mi (1,489.47 km) |
| Perry Barr to Otwock | 974.77 mi (1,568.73 km) |
| Perry Barr to Ozarow Mazowiecki | 954.06 mi (1,535.40 km) |
| Perry Barr to Ozimek | 869.91 mi (1,399.98 km) |
| Perry Barr to Ozorkow | 893.92 mi (1,438.63 km) |
| Perry Barr to Pabianice | 902.49 mi (1,452.41 km) |
