| Siena to Imatra | 1,427.70 mi (2,297.66 km) |
| Siena to Jakobstad | 1,476.34 mi (2,375.95 km) |
| Siena to Jamsa | 1,400.43 mi (2,253.78 km) |
| Siena to Janakkala | 1,334.86 mi (2,148.25 km) |
| Siena to Jarvenpaa | 1,316.51 mi (2,118.71 km) |
| Siena to Joensuu | 1,524.58 mi (2,453.57 km) |
| Siena to Joutseno | 1,418.98 mi (2,283.62 km) |
| Siena to Jyvaskyla | 1,431.93 mi (2,304.47 km) |
| Siena to Jyvaskylan Maalaiskunta | 1,434.73 mi (2,308.98 km) |
| Siena to Kaarina | 1,266.72 mi (2,038.59 km) |
| Siena to Kajaani | 1,581.33 mi (2,544.90 km) |
| Siena to Kalajoki | 1,529.65 mi (2,461.74 km) |
| Siena to Kangasala | 1,358.20 mi (2,185.82 km) |
| Siena to Kankaanpaa | 1,354.56 mi (2,179.95 km) |
| Siena to Karhula | 1,353.79 mi (2,178.71 km) |
