| Janakkala to Opwijk | 1,040.83 mi (1,675.06 km) |
| Janakkala to Ostend | 1,064.01 mi (1,712.36 km) |
| Janakkala to Oud-Heverlee | 1,034.19 mi (1,664.36 km) |
| Janakkala to Oud-Turnhout | 999.86 mi (1,609.11 km) |
| Janakkala to Oudenaarde | 1,063.59 mi (1,711.68 km) |
| Janakkala to Oudenburg | 1,063.81 mi (1,712.04 km) |
| Janakkala to Oupeye | 1,013.81 mi (1,631.57 km) |
| Janakkala to Overijse | 1,040.58 mi (1,674.65 km) |
| Janakkala to Overpelt | 992.93 mi (1,597.97 km) |
| Janakkala to Paal | 1,009.12 mi (1,624.03 km) |
| Janakkala to Peer | 996.34 mi (1,603.45 km) |
| Janakkala to Pepinster | 1,016.75 mi (1,636.30 km) |
| Janakkala to Peruwelz | 1,081.51 mi (1,740.53 km) |
| Janakkala to Perwez | 1,041.17 mi (1,675.59 km) |
| Janakkala to Philippeville | 1,071.28 mi (1,724.05 km) |
