| Horizon West to Opole | 5,111.69 mi (8,226.47 km) |
| Horizon West to Orzesze | 5,159.64 mi (8,303.63 km) |
| Horizon West to Osowa | 5,021.29 mi (8,080.99 km) |
| Horizon West to Ostroda | 5,097.69 mi (8,203.95 km) |
| Horizon West to Ostroleka | 5,176.29 mi (8,330.43 km) |
| Horizon West to Ostrow Mazowiecka | 5,197.14 mi (8,363.99 km) |
| Horizon West to Ostrow Wielkopolski | 5,078.00 mi (8,172.26 km) |
| Horizon West to Ostrowiec Swietokrzyski | 5,238.60 mi (8,430.72 km) |
| Horizon West to Ostrzeszow | 5,089.41 mi (8,190.62 km) |
| Horizon West to Oswiecim | 5,181.79 mi (8,339.29 km) |
| Horizon West to Otwock | 5,195.48 mi (8,361.32 km) |
| Horizon West to Ozarow Mazowiecki | 5,174.74 mi (8,327.94 km) |
| Horizon West to Ozimek | 5,122.54 mi (8,243.94 km) |
| Horizon West to Ozorkow | 5,124.97 mi (8,247.84 km) |
| Horizon West to Pabianice | 5,138.48 mi (8,269.58 km) |
