| Ontario to Ondokuzmayis | 6,956.99 mi (11,196.19 km) |
| Ontario to Ordu | 7,023.88 mi (11,303.84 km) |
| Ontario to Ortahisar | 7,115.74 mi (11,451.68 km) |
| Ontario to Ortakent | 7,027.73 mi (11,310.04 km) |
| Ontario to Ortaklar | 6,986.12 mi (11,243.08 km) |
| Ontario to Ortakoy | 7,090.62 mi (11,411.25 km) |
| Ontario to Ortakoy | 7,018.31 mi (11,294.88 km) |
| Ontario to Osmaneli | 6,898.39 mi (11,101.89 km) |
| Ontario to Osmaniye | 7,243.42 mi (11,657.16 km) |
| Ontario to Ozdere | 6,968.19 mi (11,214.22 km) |
| Ontario to Palu | 7,209.21 mi (11,602.10 km) |
| Ontario to Pamukkale | 7,025.85 mi (11,307.01 km) |
| Ontario to Patnos | 7,222.25 mi (11,623.09 km) |
| Ontario to Pazar | 7,040.55 mi (11,330.68 km) |
| Ontario to Pazarcik | 7,238.38 mi (11,649.04 km) |
