| Oulunsalo to Orvault | 1,579.61 mi (2,542.14 km) |
| Oulunsalo to Osny | 1,388.48 mi (2,234.54 km) |
| Oulunsalo to Ostwald | 1,305.43 mi (2,100.89 km) |
| Oulunsalo to Ouistreham | 1,428.27 mi (2,298.58 km) |
| Oulunsalo to Oullins | 1,539.41 mi (2,477.44 km) |
| Oulunsalo to Outreau | 1,301.30 mi (2,094.24 km) |
| Oulunsalo to Oyonnax | 1,489.08 mi (2,396.44 km) |
| Oulunsalo to Ozoir-la-Ferriere | 1,391.99 mi (2,240.18 km) |
| Oulunsalo to Pace | 1,530.90 mi (2,463.74 km) |
| Oulunsalo to Palaiseau | 1,405.29 mi (2,261.59 km) |
| Oulunsalo to Pamiers | 1,766.67 mi (2,843.19 km) |
| Oulunsalo to Panazol | 1,601.93 mi (2,578.05 km) |
| Oulunsalo to Pantin | 1,390.84 mi (2,238.35 km) |
| Oulunsalo to Paray-le-Monial | 1,506.21 mi (2,424.01 km) |
| Oulunsalo to Parempuyre | 1,698.22 mi (2,733.02 km) |
