| Ottawa to Jicin | 4,622.63 mi (7,439.41 km) |
| Ottawa to Jihlava | 4,675.05 mi (7,523.77 km) |
| Ottawa to Jindrichuv Hradec | 4,665.10 mi (7,507.76 km) |
| Ottawa to Jirkov | 4,553.23 mi (7,327.72 km) |
| Ottawa to Kadan | 4,552.08 mi (7,325.87 km) |
| Ottawa to Karlovy Vary | 4,543.87 mi (7,312.66 km) |
| Ottawa to Karvina | 4,757.99 mi (7,657.25 km) |
| Ottawa to Kladno | 4,590.75 mi (7,388.10 km) |
| Ottawa to Klasterec nad Ohri | 4,548.19 mi (7,319.60 km) |
| Ottawa to Klatovy | 4,593.37 mi (7,392.32 km) |
| Ottawa to Kolin | 4,634.63 mi (7,458.71 km) |
| Ottawa to Koprivnice | 4,755.57 mi (7,653.36 km) |
| Ottawa to Kralupy nad Vltavou | 4,594.42 mi (7,394.01 km) |
| Ottawa to Kraluv Dvur | 4,596.77 mi (7,397.78 km) |
| Ottawa to Krnov | 4,718.66 mi (7,593.95 km) |
