| Highland to Opole | 5,972.59 mi (9,611.95 km) |
| Highland to Orzesze | 6,022.54 mi (9,692.34 km) |
| Highland to Osowa | 5,774.85 mi (9,293.72 km) |
| Highland to Ostroda | 5,850.81 mi (9,415.97 km) |
| Highland to Ostroleka | 5,923.86 mi (9,533.54 km) |
| Highland to Ostrow Mazowiecka | 5,946.88 mi (9,570.58 km) |
| Highland to Ostrow Wielkopolski | 5,914.62 mi (9,518.66 km) |
| Highland to Ostrowiec Swietokrzyski | 6,043.28 mi (9,725.72 km) |
| Highland to Ostrzeszow | 5,930.59 mi (9,544.36 km) |
| Highland to Oswiecim | 6,040.87 mi (9,721.83 km) |
| Highland to Otwock | 5,971.81 mi (9,610.70 km) |
| Highland to Ozarow Mazowiecki | 5,955.12 mi (9,583.84 km) |
| Highland to Ozimek | 5,979.38 mi (9,622.89 km) |
| Highland to Ozorkow | 5,933.08 mi (9,548.37 km) |
| Highland to Pabianice | 5,953.48 mi (9,581.20 km) |
