| Orimattila to Navodari | 1,145.01 mi (1,842.71 km) |
| Orimattila to Negresti-Oas | 898.40 mi (1,445.83 km) |
| Orimattila to Nehoiu | 1,067.82 mi (1,718.49 km) |
| Orimattila to Ocna Mures | 998.78 mi (1,607.38 km) |
| Orimattila to Odobesti | 1,040.40 mi (1,674.35 km) |
| Orimattila to Odorheiu Secuiesc | 1,001.33 mi (1,611.49 km) |
| Orimattila to Oltenita | 1,155.67 mi (1,859.87 km) |
| Orimattila to Onesti | 1,005.87 mi (1,618.79 km) |
| Orimattila to Oradea | 960.97 mi (1,546.53 km) |
| Orimattila to Orastie | 1,038.32 mi (1,671.01 km) |
| Orimattila to Oravita | 1,101.64 mi (1,772.92 km) |
| Orimattila to Orsova | 1,119.31 mi (1,801.36 km) |
| Orimattila to Otelu Rosu | 1,065.03 mi (1,713.99 km) |
| Orimattila to Otopeni | 1,123.14 mi (1,807.52 km) |
| Orimattila to Ovidiu | 1,148.30 mi (1,848.01 km) |
