| Tallaght to Orzesze | 1,090.37 mi (1,754.78 km) |
| Tallaght to Osowa | 1,009.53 mi (1,624.67 km) |
| Tallaght to Ostroda | 1,076.19 mi (1,731.96 km) |
| Tallaght to Ostroleka | 1,149.05 mi (1,849.21 km) |
| Tallaght to Ostrow Mazowiecka | 1,166.59 mi (1,877.44 km) |
| Tallaght to Ostrow Wielkopolski | 1,018.82 mi (1,639.64 km) |
| Tallaght to Ostrowiec Swietokrzyski | 1,181.35 mi (1,901.20 km) |
| Tallaght to Ostrzeszow | 1,028.17 mi (1,654.67 km) |
| Tallaght to Oswiecim | 1,112.64 mi (1,790.63 km) |
| Tallaght to Otwock | 1,152.12 mi (1,854.16 km) |
| Tallaght to Ozarow Mazowiecki | 1,131.24 mi (1,820.55 km) |
| Tallaght to Ozimek | 1,055.67 mi (1,698.93 km) |
| Tallaght to Ozorkow | 1,073.39 mi (1,727.45 km) |
| Tallaght to Pabianice | 1,083.38 mi (1,743.53 km) |
| Tallaght to Parczew | 1,226.92 mi (1,974.54 km) |
