| Forfar to Opole | 942.33 mi (1,516.54 km) |
| Forfar to Orzesze | 992.21 mi (1,596.80 km) |
| Forfar to Osowa | 845.44 mi (1,360.61 km) |
| Forfar to Ostroda | 919.88 mi (1,480.41 km) |
| Forfar to Ostroleka | 997.68 mi (1,605.62 km) |
| Forfar to Ostrow Mazowiecka | 1,017.96 mi (1,638.25 km) |
| Forfar to Ostrow Wielkopolski | 901.75 mi (1,451.23 km) |
| Forfar to Ostrowiec Swietokrzyski | 1,060.01 mi (1,705.92 km) |
| Forfar to Ostrzeszow | 914.33 mi (1,471.48 km) |
| Forfar to Oswiecim | 1,013.74 mi (1,631.45 km) |
| Forfar to Otwock | 1,014.90 mi (1,633.33 km) |
| Forfar to Ozarow Mazowiecki | 994.16 mi (1,599.95 km) |
| Forfar to Ozimek | 952.26 mi (1,532.51 km) |
| Forfar to Ozorkow | 945.39 mi (1,521.46 km) |
| Forfar to Pabianice | 959.80 mi (1,544.66 km) |
