| Rathfarnham to Orzesze | 1,087.42 mi (1,750.03 km) |
| Rathfarnham to Osowa | 1,006.48 mi (1,619.77 km) |
| Rathfarnham to Ostroda | 1,073.14 mi (1,727.05 km) |
| Rathfarnham to Ostroleka | 1,146.00 mi (1,844.31 km) |
| Rathfarnham to Ostrow Mazowiecka | 1,163.54 mi (1,872.54 km) |
| Rathfarnham to Ostrow Wielkopolski | 1,015.82 mi (1,634.81 km) |
| Rathfarnham to Ostrowiec Swietokrzyski | 1,178.35 mi (1,896.38 km) |
| Rathfarnham to Ostrzeszow | 1,025.17 mi (1,649.85 km) |
| Rathfarnham to Oswiecim | 1,109.69 mi (1,785.88 km) |
| Rathfarnham to Otwock | 1,149.09 mi (1,849.29 km) |
| Rathfarnham to Ozarow Mazowiecki | 1,128.21 mi (1,815.67 km) |
| Rathfarnham to Ozimek | 1,052.70 mi (1,694.16 km) |
| Rathfarnham to Ozorkow | 1,070.37 mi (1,722.59 km) |
| Rathfarnham to Pabianice | 1,080.37 mi (1,738.69 km) |
| Rathfarnham to Parczew | 1,223.90 mi (1,969.67 km) |
