| Ridge to Orthez | 3,575.59 mi (5,754.36 km) |
| Ridge to Orvault | 3,439.15 mi (5,534.77 km) |
| Ridge to Osny | 3,554.35 mi (5,720.18 km) |
| Ridge to Ostwald | 3,804.96 mi (6,123.49 km) |
| Ridge to Ouistreham | 3,450.75 mi (5,553.45 km) |
| Ridge to Oullins | 3,762.75 mi (6,055.57 km) |
| Ridge to Outreau | 3,495.38 mi (5,625.28 km) |
| Ridge to Oyonnax | 3,783.92 mi (6,089.64 km) |
| Ridge to Ozoir-la-Ferriere | 3,587.53 mi (5,773.58 km) |
| Ridge to Pace | 3,411.83 mi (5,490.82 km) |
| Ridge to Palaiseau | 3,570.73 mi (5,746.54 km) |
| Ridge to Pamiers | 3,695.28 mi (5,946.98 km) |
| Ridge to Panazol | 3,605.19 mi (5,801.98 km) |
| Ridge to Pantin | 3,572.76 mi (5,749.80 km) |
| Ridge to Paray-le-Monial | 3,711.66 mi (5,973.35 km) |
