| Knowle to Opole | 850.94 mi (1,369.45 km) |
| Knowle to Orzesze | 895.66 mi (1,441.43 km) |
| Knowle to Osowa | 840.91 mi (1,353.32 km) |
| Knowle to Ostroda | 902.32 mi (1,452.14 km) |
| Knowle to Ostroleka | 971.71 mi (1,563.82 km) |
| Knowle to Ostrow Mazowiecka | 987.80 mi (1,589.70 km) |
| Knowle to Ostrow Wielkopolski | 830.22 mi (1,336.11 km) |
| Knowle to Ostrowiec Swietokrzyski | 992.21 mi (1,596.81 km) |
| Knowle to Ostrzeszow | 838.41 mi (1,349.29 km) |
| Knowle to Oswiecim | 917.92 mi (1,477.26 km) |
| Knowle to Otwock | 968.86 mi (1,559.23 km) |
| Knowle to Ozarow Mazowiecki | 948.19 mi (1,525.96 km) |
| Knowle to Ozimek | 862.62 mi (1,388.25 km) |
| Knowle to Ozorkow | 887.73 mi (1,428.67 km) |
| Knowle to Pabianice | 896.06 mi (1,442.07 km) |
