| Troon to Opole | 990.51 mi (1,594.07 km) |
| Troon to Orzesze | 1,039.34 mi (1,672.66 km) |
| Troon to Osowa | 915.99 mi (1,474.15 km) |
| Troon to Ostroda | 988.04 mi (1,590.10 km) |
| Troon to Ostroleka | 1,064.47 mi (1,713.10 km) |
| Troon to Ostrow Mazowiecka | 1,083.86 mi (1,744.30 km) |
| Troon to Ostrow Wielkopolski | 955.28 mi (1,537.37 km) |
| Troon to Ostrowiec Swietokrzyski | 1,116.16 mi (1,796.29 km) |
| Troon to Ostrzeszow | 966.75 mi (1,555.83 km) |
| Troon to Oswiecim | 1,061.30 mi (1,707.99 km) |
| Troon to Otwock | 1,076.63 mi (1,732.66 km) |
| Troon to Ozarow Mazowiecki | 1,055.71 mi (1,699.01 km) |
| Troon to Ozimek | 1,001.06 mi (1,611.05 km) |
| Troon to Ozorkow | 1,003.30 mi (1,614.65 km) |
| Troon to Pabianice | 1,016.17 mi (1,635.37 km) |
