| Triangle to Opole | 4,429.66 mi (7,128.84 km) |
| Triangle to Orzesze | 4,478.74 mi (7,207.83 km) |
| Triangle to Osowa | 4,321.78 mi (6,955.24 km) |
| Triangle to Ostroda | 4,399.29 mi (7,079.98 km) |
| Triangle to Ostroleka | 4,478.33 mi (7,207.17 km) |
| Triangle to Ostrow Mazowiecka | 4,499.79 mi (7,241.72 km) |
| Triangle to Ostrow Wielkopolski | 4,391.52 mi (7,067.47 km) |
| Triangle to Ostrowiec Swietokrzyski | 4,549.82 mi (7,322.23 km) |
| Triangle to Ostrzeszow | 4,403.84 mi (7,087.29 km) |
| Triangle to Oswiecim | 4,500.64 mi (7,243.08 km) |
| Triangle to Otwock | 4,501.84 mi (7,245.01 km) |
| Triangle to Ozarow Mazowiecki | 4,481.36 mi (7,212.05 km) |
| Triangle to Ozimek | 4,440.03 mi (7,145.54 km) |
| Triangle to Ozorkow | 4,434.88 mi (7,137.25 km) |
| Triangle to Pabianice | 4,449.65 mi (7,161.02 km) |
