| Barstow to Orthez | 5,702.74 mi (9,177.68 km) |
| Barstow to Orvault | 5,498.23 mi (8,848.54 km) |
| Barstow to Osny | 5,541.05 mi (8,917.45 km) |
| Barstow to Ostwald | 5,746.89 mi (9,248.73 km) |
| Barstow to Ouistreham | 5,453.51 mi (8,776.58 km) |
| Barstow to Oullins | 5,794.48 mi (9,325.31 km) |
| Barstow to Outreau | 5,448.22 mi (8,768.07 km) |
| Barstow to Oyonnax | 5,796.07 mi (9,327.88 km) |
| Barstow to Ozoir-la-Ferriere | 5,574.75 mi (8,971.70 km) |
| Barstow to Pace | 5,453.20 mi (8,776.08 km) |
| Barstow to Palaiseau | 5,563.46 mi (8,953.52 km) |
| Barstow to Pamiers | 5,807.99 mi (9,347.05 km) |
| Barstow to Panazol | 5,667.94 mi (9,121.66 km) |
| Barstow to Pantin | 5,559.94 mi (8,947.86 km) |
| Barstow to Paray-le-Monial | 5,735.12 mi (9,229.78 km) |
