| Smethwick to Opole | 860.95 mi (1,385.57 km) |
| Smethwick to Orzesze | 905.87 mi (1,457.86 km) |
| Smethwick to Osowa | 848.26 mi (1,365.14 km) |
| Smethwick to Ostroda | 910.21 mi (1,464.85 km) |
| Smethwick to Ostroleka | 979.98 mi (1,577.13 km) |
| Smethwick to Ostrow Mazowiecka | 996.22 mi (1,603.26 km) |
| Smethwick to Ostrow Wielkopolski | 839.65 mi (1,351.29 km) |
| Smethwick to Ostrowiec Swietokrzyski | 1,001.75 mi (1,612.16 km) |
| Smethwick to Ostrzeszow | 847.98 mi (1,364.70 km) |
| Smethwick to Oswiecim | 928.14 mi (1,493.70 km) |
| Smethwick to Otwock | 977.74 mi (1,573.52 km) |
| Smethwick to Ozarow Mazowiecki | 957.04 mi (1,540.20 km) |
| Smethwick to Ozimek | 872.60 mi (1,404.32 km) |
| Smethwick to Ozorkow | 896.85 mi (1,443.34 km) |
| Smethwick to Pabianice | 905.37 mi (1,457.05 km) |
