| Valley to Opole | 5,019.56 mi (8,078.21 km) |
| Valley to Orzesze | 5,068.84 mi (8,157.50 km) |
| Valley to Osowa | 4,906.67 mi (7,896.53 km) |
| Valley to Ostroda | 4,984.52 mi (8,021.81 km) |
| Valley to Ostroleka | 5,063.63 mi (8,149.13 km) |
| Valley to Ostrow Mazowiecka | 5,085.30 mi (8,184.01 km) |
| Valley to Ostrow Wielkopolski | 4,980.46 mi (8,015.28 km) |
| Valley to Ostrowiec Swietokrzyski | 5,138.03 mi (8,268.86 km) |
| Valley to Ostrzeszow | 4,992.99 mi (8,035.44 km) |
| Valley to Oswiecim | 5,090.67 mi (8,192.64 km) |
| Valley to Otwock | 5,088.65 mi (8,189.38 km) |
| Valley to Ozarow Mazowiecki | 5,068.27 mi (8,156.59 km) |
| Valley to Ozimek | 5,029.83 mi (8,094.73 km) |
| Valley to Ozorkow | 5,022.83 mi (8,083.46 km) |
| Valley to Pabianice | 5,037.93 mi (8,107.77 km) |
