| Bolton to Opole | 883.61 mi (1,422.03 km) |
| Bolton to Orzesze | 930.32 mi (1,497.20 km) |
| Bolton to Osowa | 847.62 mi (1,364.11 km) |
| Bolton to Ostroda | 913.64 mi (1,470.36 km) |
| Bolton to Ostroleka | 986.24 mi (1,587.21 km) |
| Bolton to Ostrow Mazowiecka | 1,003.72 mi (1,615.33 km) |
| Bolton to Ostrow Wielkopolski | 856.73 mi (1,378.77 km) |
| Bolton to Ostrowiec Swietokrzyski | 1,019.25 mi (1,640.33 km) |
| Bolton to Ostrzeszow | 866.33 mi (1,394.22 km) |
| Bolton to Oswiecim | 952.57 mi (1,533.01 km) |
| Bolton to Otwock | 989.28 mi (1,592.09 km) |
| Bolton to Ozarow Mazowiecki | 968.39 mi (1,558.47 km) |
| Bolton to Ozimek | 894.89 mi (1,440.18 km) |
| Bolton to Ozorkow | 910.77 mi (1,465.74 km) |
| Bolton to Pabianice | 920.99 mi (1,482.19 km) |
