| Janakkala to Navodari | 1,158.12 mi (1,863.81 km) |
| Janakkala to Negresti-Oas | 902.79 mi (1,452.90 km) |
| Janakkala to Nehoiu | 1,077.44 mi (1,733.97 km) |
| Janakkala to Ocna Mures | 1,004.20 mi (1,616.10 km) |
| Janakkala to Odobesti | 1,051.32 mi (1,691.94 km) |
| Janakkala to Odorheiu Secuiesc | 1,009.30 mi (1,624.31 km) |
| Janakkala to Oltenita | 1,165.71 mi (1,876.02 km) |
| Janakkala to Onesti | 1,016.37 mi (1,635.68 km) |
| Janakkala to Oradea | 962.75 mi (1,549.40 km) |
| Janakkala to Orastie | 1,042.66 mi (1,678.00 km) |
| Janakkala to Oravita | 1,103.59 mi (1,776.05 km) |
| Janakkala to Orsova | 1,122.50 mi (1,806.50 km) |
| Janakkala to Otelu Rosu | 1,067.98 mi (1,718.75 km) |
| Janakkala to Otopeni | 1,132.32 mi (1,822.30 km) |
| Janakkala to Ovidiu | 1,161.32 mi (1,868.96 km) |
