| Rathfarnham to Navodari | 1,684.22 mi (2,710.49 km) |
| Rathfarnham to Negresti-Oas | 1,345.28 mi (2,165.02 km) |
| Rathfarnham to Nehoiu | 1,550.56 mi (2,495.38 km) |
| Rathfarnham to Ocna Mures | 1,412.84 mi (2,273.75 km) |
| Rathfarnham to Odobesti | 1,566.65 mi (2,521.27 km) |
| Rathfarnham to Odorheiu Secuiesc | 1,474.64 mi (2,373.20 km) |
| Rathfarnham to Oltenita | 1,612.69 mi (2,595.38 km) |
| Rathfarnham to Onesti | 1,536.89 mi (2,473.38 km) |
| Rathfarnham to Oradea | 1,309.78 mi (2,107.88 km) |
| Rathfarnham to Orastie | 1,405.38 mi (2,261.73 km) |
| Rathfarnham to Oravita | 1,374.82 mi (2,212.55 km) |
| Rathfarnham to Orsova | 1,415.81 mi (2,278.53 km) |
| Rathfarnham to Otelu Rosu | 1,383.33 mi (2,226.26 km) |
| Rathfarnham to Otopeni | 1,571.46 mi (2,529.02 km) |
| Rathfarnham to Ovidiu | 1,684.02 mi (2,710.17 km) |
