| Guadarrama to Orthez | 258.39 mi (415.84 km) |
| Guadarrama to Orvault | 472.08 mi (759.74 km) |
| Guadarrama to Osny | 652.54 mi (1,050.17 km) |
| Guadarrama to Ostwald | 794.12 mi (1,278.02 km) |
| Guadarrama to Ouistreham | 623.21 mi (1,002.95 km) |
| Guadarrama to Oullins | 567.07 mi (912.60 km) |
| Guadarrama to Outreau | 744.83 mi (1,198.68 km) |
| Guadarrama to Oyonnax | 621.81 mi (1,000.70 km) |
| Guadarrama to Ozoir-la-Ferriere | 650.57 mi (1,046.99 km) |
| Guadarrama to Pace | 528.89 mi (851.17 km) |
| Guadarrama to Palaiseau | 636.28 mi (1,023.99 km) |
| Guadarrama to Pamiers | 338.18 mi (544.24 km) |
| Guadarrama to Panazol | 448.34 mi (721.53 km) |
| Guadarrama to Pantin | 650.72 mi (1,047.23 km) |
| Guadarrama to Paray-le-Monial | 572.38 mi (921.15 km) |