| Oslo to Orthez | 1,233.14 mi (1,984.55 km) |
| Oslo to Orvault | 1,006.20 mi (1,619.32 km) |
| Oslo to Osny | 825.25 mi (1,328.10 km) |
| Oslo to Ostwald | 794.29 mi (1,278.29 km) |
| Oslo to Ouistreham | 854.03 mi (1,374.43 km) |
| Oslo to Oullins | 1,010.80 mi (1,626.73 km) |
| Oslo to Outreau | 729.39 mi (1,173.84 km) |
| Oslo to Oyonnax | 966.21 mi (1,554.97 km) |
| Oslo to Ozoir-la-Ferriere | 833.60 mi (1,341.56 km) |
| Oslo to Pace | 954.96 mi (1,536.86 km) |
| Oslo to Palaiseau | 844.51 mi (1,359.11 km) |
| Oslo to Pamiers | 1,222.44 mi (1,967.32 km) |
| Oslo to Panazol | 1,046.50 mi (1,684.18 km) |
| Oslo to Pantin | 830.24 mi (1,336.15 km) |
| Oslo to Paray-le-Monial | 968.52 mi (1,558.69 km) |
