| Ontario to Jicin | 5,933.68 mi (9,549.33 km) |
| Ontario to Jihlava | 5,997.06 mi (9,651.33 km) |
| Ontario to Jindrichuv Hradec | 5,995.01 mi (9,648.03 km) |
| Ontario to Jirkov | 5,878.53 mi (9,460.58 km) |
| Ontario to Kadan | 5,880.31 mi (9,463.45 km) |
| Ontario to Karlovy Vary | 5,877.01 mi (9,458.13 km) |
| Ontario to Karvina | 6,049.69 mi (9,736.03 km) |
| Ontario to Kladno | 5,915.37 mi (9,519.87 km) |
| Ontario to Klasterec nad Ohri | 5,877.08 mi (9,458.25 km) |
| Ontario to Klatovy | 5,933.67 mi (9,549.32 km) |
| Ontario to Kolin | 5,952.01 mi (9,578.84 km) |
| Ontario to Koprivnice | 6,053.81 mi (9,742.67 km) |
| Ontario to Kralupy nad Vltavou | 5,916.23 mi (9,521.25 km) |
| Ontario to Kraluv Dvur | 5,924.41 mi (9,534.41 km) |
| Ontario to Krnov | 6,014.65 mi (9,679.64 km) |
