| Southborough to Imatra | 1,281.01 mi (2,061.59 km) |
| Southborough to Jakobstad | 1,189.26 mi (1,913.93 km) |
| Southborough to Jamsa | 1,191.29 mi (1,917.20 km) |
| Southborough to Janakkala | 1,146.69 mi (1,845.42 km) |
| Southborough to Jarvenpaa | 1,147.95 mi (1,847.45 km) |
| Southborough to Joensuu | 1,346.00 mi (2,166.18 km) |
| Southborough to Joutseno | 1,271.28 mi (2,045.93 km) |
| Southborough to Jyvaskyla | 1,219.18 mi (1,962.07 km) |
| Southborough to Jyvaskylan Maalaiskunta | 1,220.67 mi (1,964.47 km) |
| Southborough to Kaarina | 1,061.56 mi (1,708.42 km) |
| Southborough to Kajaani | 1,338.49 mi (2,154.09 km) |
| Southborough to Kalajoki | 1,244.24 mi (2,002.41 km) |
| Southborough to Kangasala | 1,145.95 mi (1,844.22 km) |
| Southborough to Kankaanpaa | 1,109.76 mi (1,785.98 km) |
| Southborough to Karhula | 1,207.29 mi (1,942.95 km) |
