| Langenthal to Opole | 518.04 mi (833.71 km) |
| Langenthal to Orzesze | 539.11 mi (867.62 km) |
| Langenthal to Osowa | 681.07 mi (1,096.07 km) |
| Langenthal to Ostroda | 696.83 mi (1,121.44 km) |
| Langenthal to Ostroleka | 730.15 mi (1,175.07 km) |
| Langenthal to Ostrow Mazowiecka | 734.13 mi (1,181.47 km) |
| Langenthal to Ostrow Wielkopolski | 544.27 mi (875.92 km) |
| Langenthal to Ostrowiec Swietokrzyski | 666.40 mi (1,072.47 km) |
| Langenthal to Ostrzeszow | 540.76 mi (870.26 km) |
| Langenthal to Oswiecim | 556.84 mi (896.15 km) |
| Langenthal to Otwock | 689.98 mi (1,110.42 km) |
| Langenthal to Ozarow Mazowiecki | 674.93 mi (1,086.20 km) |
| Langenthal to Ozimek | 529.49 mi (852.12 km) |
| Langenthal to Ozorkow | 609.68 mi (981.18 km) |
| Langenthal to Pabianice | 603.56 mi (971.33 km) |
