| Willebroek to Jakobstad | 1,098.20 mi (1,767.39 km) |
| Willebroek to Jamsa | 1,081.06 mi (1,739.79 km) |
| Willebroek to Janakkala | 1,030.39 mi (1,658.26 km) |
| Willebroek to Jarvenpaa | 1,027.45 mi (1,653.52 km) |
| Willebroek to Joensuu | 1,232.96 mi (1,984.26 km) |
| Willebroek to Joutseno | 1,149.92 mi (1,850.61 km) |
| Willebroek to Jyvaskyla | 1,110.56 mi (1,787.28 km) |
| Willebroek to Jyvaskylan Maalaiskunta | 1,112.40 mi (1,790.23 km) |
| Willebroek to Kaarina | 946.24 mi (1,522.82 km) |
| Willebroek to Kajaani | 1,240.03 mi (1,995.64 km) |
| Willebroek to Kalajoki | 1,154.22 mi (1,857.54 km) |
| Willebroek to Kangasala | 1,035.07 mi (1,665.79 km) |
| Willebroek to Kankaanpaa | 1,005.49 mi (1,618.18 km) |
| Willebroek to Karhula | 1,083.96 mi (1,744.47 km) |
| Willebroek to Karis | 971.08 mi (1,562.81 km) |
