| River Falls to Orthez | 4,286.73 mi (6,898.83 km) |
| River Falls to Orvault | 4,100.88 mi (6,599.72 km) |
| River Falls to Osny | 4,168.94 mi (6,709.25 km) |
| River Falls to Ostwald | 4,394.85 mi (7,072.83 km) |
| River Falls to Ouistreham | 4,074.28 mi (6,556.93 km) |
| River Falls to Oullins | 4,410.63 mi (7,098.23 km) |
| River Falls to Outreau | 4,086.53 mi (6,576.64 km) |
| River Falls to Oyonnax | 4,419.13 mi (7,111.90 km) |
| River Falls to Ozoir-la-Ferriere | 4,203.04 mi (6,764.14 km) |
| River Falls to Pace | 4,060.97 mi (6,535.49 km) |
| River Falls to Palaiseau | 4,189.60 mi (6,742.51 km) |
| River Falls to Pamiers | 4,397.56 mi (7,077.18 km) |
| River Falls to Panazol | 4,271.77 mi (6,874.76 km) |
| River Falls to Pantin | 4,187.98 mi (6,739.91 km) |
| River Falls to Paray-le-Monial | 4,353.26 mi (7,005.89 km) |
