| California to Orthez | 3,832.25 mi (6,167.40 km) |
| California to Orvault | 3,699.48 mi (5,953.74 km) |
| California to Osny | 3,816.59 mi (6,142.22 km) |
| California to Ostwald | 4,067.70 mi (6,546.33 km) |
| California to Ouistreham | 3,712.80 mi (5,975.18 km) |
| California to Oullins | 4,023.30 mi (6,474.88 km) |
| California to Outreau | 3,758.34 mi (6,048.47 km) |
| California to Oyonnax | 4,045.06 mi (6,509.89 km) |
| California to Ozoir-la-Ferriere | 3,849.71 mi (6,195.51 km) |
| California to Pace | 3,672.86 mi (5,910.90 km) |
| California to Palaiseau | 3,832.81 mi (6,168.31 km) |
| California to Pamiers | 3,952.39 mi (6,360.75 km) |
| California to Panazol | 3,864.95 mi (6,220.04 km) |
| California to Pantin | 3,834.96 mi (6,171.77 km) |
| California to Paray-le-Monial | 3,972.60 mi (6,393.28 km) |
