| Oakville to Opole | 4,906.05 mi (7,895.53 km) |
| Oakville to Orzesze | 4,956.42 mi (7,976.58 km) |
| Oakville to Osowa | 4,764.73 mi (7,668.10 km) |
| Oakville to Ostroda | 4,843.47 mi (7,794.80 km) |
| Oakville to Ostroleka | 4,922.21 mi (7,921.53 km) |
| Oakville to Ostrow Mazowiecka | 4,944.69 mi (7,957.71 km) |
| Oakville to Ostrow Wielkopolski | 4,860.29 mi (7,821.89 km) |
| Oakville to Ostrowiec Swietokrzyski | 5,011.70 mi (8,065.56 km) |
| Oakville to Ostrzeszow | 4,874.13 mi (7,844.15 km) |
| Oakville to Oswiecim | 4,977.53 mi (8,010.55 km) |
| Oakville to Otwock | 4,954.65 mi (7,973.73 km) |
| Oakville to Ozarow Mazowiecki | 4,935.02 mi (7,942.15 km) |
| Oakville to Ozimek | 4,915.40 mi (7,910.58 km) |
| Oakville to Ozorkow | 4,895.96 mi (7,879.29 km) |
| Oakville to Pabianice | 4,912.99 mi (7,906.69 km) |
