| Ontario to Imatra | 5,590.83 mi (8,997.57 km) |
| Ontario to Jakobstad | 5,345.04 mi (8,602.01 km) |
| Ontario to Jamsa | 5,492.09 mi (8,838.66 km) |
| Ontario to Janakkala | 5,539.43 mi (8,914.84 km) |
| Ontario to Jarvenpaa | 5,573.29 mi (8,969.34 km) |
| Ontario to Joensuu | 5,518.59 mi (8,881.31 km) |
| Ontario to Joutseno | 5,590.39 mi (8,996.87 km) |
| Ontario to Jyvaskyla | 5,478.91 mi (8,817.45 km) |
| Ontario to Jyvaskylan Maalaiskunta | 5,476.09 mi (8,812.92 km) |
| Ontario to Kaarina | 5,528.92 mi (8,897.94 km) |
| Ontario to Kajaani | 5,389.63 mi (8,673.77 km) |
| Ontario to Kalajoki | 5,330.33 mi (8,578.33 km) |
| Ontario to Kangasala | 5,497.00 mi (8,846.56 km) |
| Ontario to Kankaanpaa | 5,448.23 mi (8,768.08 km) |
| Ontario to Karhula | 5,602.09 mi (9,015.70 km) |
