| Olgiate Olona to Orthez | 497.47 mi (800.61 km) |
| Olgiate Olona to Orvault | 512.32 mi (824.50 km) |
| Olgiate Olona to Osny | 397.23 mi (639.28 km) |
| Olgiate Olona to Ostwald | 208.97 mi (336.30 km) |
| Olgiate Olona to Ouistreham | 495.34 mi (797.17 km) |
| Olgiate Olona to Oullins | 196.79 mi (316.71 km) |
| Olgiate Olona to Outreau | 484.91 mi (780.39 km) |
| Olgiate Olona to Oyonnax | 160.92 mi (258.97 km) |
| Olgiate Olona to Ozoir-la-Ferriere | 363.12 mi (584.39 km) |
| Olgiate Olona to Pace | 531.82 mi (855.89 km) |
| Olgiate Olona to Palaiseau | 377.29 mi (607.19 km) |
| Olgiate Olona to Pamiers | 398.84 mi (641.87 km) |
| Olgiate Olona to Panazol | 365.36 mi (587.99 km) |
| Olgiate Olona to Pantin | 378.19 mi (608.64 km) |
| Olgiate Olona to Paray-le-Monial | 235.32 mi (378.71 km) |
