| Grenchen to Imatra | 1,284.68 mi (2,067.49 km) |
| Grenchen to Jakobstad | 1,279.16 mi (2,058.60 km) |
| Grenchen to Jamsa | 1,230.80 mi (1,980.78 km) |
| Grenchen to Janakkala | 1,170.89 mi (1,884.37 km) |
| Grenchen to Jarvenpaa | 1,159.71 mi (1,866.37 km) |
| Grenchen to Joensuu | 1,371.89 mi (2,207.85 km) |
| Grenchen to Joutseno | 1,275.19 mi (2,052.22 km) |
| Grenchen to Jyvaskyla | 1,262.09 mi (2,031.14 km) |
| Grenchen to Jyvaskylan Maalaiskunta | 1,264.48 mi (2,034.98 km) |
| Grenchen to Kaarina | 1,092.68 mi (1,758.49 km) |
| Grenchen to Kajaani | 1,404.67 mi (2,260.60 km) |
| Grenchen to Kalajoki | 1,334.87 mi (2,148.26 km) |
| Grenchen to Kangasala | 1,185.57 mi (1,908.00 km) |
| Grenchen to Kankaanpaa | 1,168.94 mi (1,881.23 km) |
| Grenchen to Karhula | 1,207.80 mi (1,943.77 km) |
