| Ontario to Nymburk | 5,939.07 mi (9,558.01 km) |
| Ontario to Olomouc | 6,030.77 mi (9,705.59 km) |
| Ontario to Opava | 6,028.53 mi (9,701.99 km) |
| Ontario to Orlova | 6,047.31 mi (9,732.21 km) |
| Ontario to Ostrava | 6,044.31 mi (9,727.38 km) |
| Ontario to Ostrov | 5,874.83 mi (9,454.63 km) |
| Ontario to Otrokovice | 6,059.64 mi (9,752.05 km) |
| Ontario to Pardubice | 5,967.01 mi (9,602.97 km) |
| Ontario to Pelhrimov | 5,985.33 mi (9,632.46 km) |
| Ontario to Pisek | 5,962.28 mi (9,595.37 km) |
| Ontario to Plzen | 5,917.06 mi (9,522.59 km) |
| Ontario to Podebrady | 5,943.54 mi (9,565.20 km) |
| Ontario to Policka | 5,997.91 mi (9,652.70 km) |
| Ontario to Prachatice | 5,974.12 mi (9,614.42 km) |
| Ontario to Prague | 5,927.57 mi (9,539.51 km) |
