| Altamont to Opole | 5,575.68 mi (8,973.19 km) |
| Altamont to Orzesze | 5,624.28 mi (9,051.41 km) |
| Altamont to Osowa | 5,359.52 mi (8,625.32 km) |
| Altamont to Ostroda | 5,432.62 mi (8,742.95 km) |
| Altamont to Ostroleka | 5,501.77 mi (8,854.24 km) |
| Altamont to Ostrow Mazowiecka | 5,524.46 mi (8,890.76 km) |
| Altamont to Ostrow Wielkopolski | 5,513.92 mi (8,873.79 km) |
| Altamont to Ostrowiec Swietokrzyski | 5,630.23 mi (9,060.98 km) |
| Altamont to Ostrzeszow | 5,530.40 mi (8,900.32 km) |
| Altamont to Oswiecim | 5,641.00 mi (9,078.31 km) |
| Altamont to Otwock | 5,554.66 mi (8,939.37 km) |
| Altamont to Ozarow Mazowiecki | 5,539.51 mi (8,914.99 km) |
| Altamont to Ozimek | 5,581.23 mi (8,982.12 km) |
| Altamont to Ozorkow | 5,524.83 mi (8,891.36 km) |
| Altamont to Pabianice | 5,546.14 mi (8,925.65 km) |
