| Grez-Doiceau to Jakobstad | 1,110.83 mi (1,787.70 km) |
| Grez-Doiceau to Jamsa | 1,090.32 mi (1,754.70 km) |
| Grez-Doiceau to Janakkala | 1,038.56 mi (1,671.39 km) |
| Grez-Doiceau to Jarvenpaa | 1,034.74 mi (1,665.26 km) |
| Grez-Doiceau to Joensuu | 1,241.44 mi (1,997.91 km) |
| Grez-Doiceau to Joutseno | 1,156.82 mi (1,861.73 km) |
| Grez-Doiceau to Jyvaskyla | 1,120.09 mi (1,802.60 km) |
| Grez-Doiceau to Jyvaskylan Maalaiskunta | 1,121.98 mi (1,805.66 km) |
| Grez-Doiceau to Kaarina | 954.77 mi (1,536.55 km) |
| Grez-Doiceau to Kajaani | 1,251.19 mi (2,013.60 km) |
| Grez-Doiceau to Kalajoki | 1,166.92 mi (1,877.98 km) |
| Grez-Doiceau to Kangasala | 1,044.30 mi (1,680.63 km) |
| Grez-Doiceau to Kankaanpaa | 1,016.01 mi (1,635.12 km) |
| Grez-Doiceau to Karhula | 1,090.55 mi (1,755.08 km) |
| Grez-Doiceau to Karis | 978.43 mi (1,574.62 km) |
