| Middle River to Orthez | 3,791.70 mi (6,102.15 km) |
| Middle River to Orvault | 3,654.79 mi (5,881.81 km) |
| Middle River to Osny | 3,768.85 mi (6,065.38 km) |
| Middle River to Ostwald | 4,018.85 mi (6,467.72 km) |
| Middle River to Ouistreham | 3,665.44 mi (5,898.95 km) |
| Middle River to Oullins | 3,978.31 mi (6,402.47 km) |
| Middle River to Outreau | 3,708.95 mi (5,968.97 km) |
| Middle River to Oyonnax | 3,999.21 mi (6,436.10 km) |
| Middle River to Ozoir-la-Ferriere | 3,802.10 mi (6,118.89 km) |
| Middle River to Pace | 3,627.19 mi (5,837.40 km) |
| Middle River to Palaiseau | 3,785.39 mi (6,091.99 km) |
| Middle River to Pamiers | 3,911.39 mi (6,294.78 km) |
| Middle River to Panazol | 3,820.99 mi (6,149.29 km) |
| Middle River to Pantin | 3,787.30 mi (6,095.06 km) |
| Middle River to Paray-le-Monial | 3,927.05 mi (6,319.98 km) |
