| Gallarate to Orthez | 493.70 mi (794.54 km) |
| Gallarate to Orvault | 507.45 mi (816.65 km) |
| Gallarate to Osny | 392.41 mi (631.52 km) |
| Gallarate to Ostwald | 205.75 mi (331.12 km) |
| Gallarate to Ouistreham | 490.43 mi (789.28 km) |
| Gallarate to Oullins | 192.25 mi (309.40 km) |
| Gallarate to Outreau | 480.35 mi (773.05 km) |
| Gallarate to Oyonnax | 156.04 mi (251.13 km) |
| Gallarate to Ozoir-la-Ferriere | 358.30 mi (576.62 km) |
| Gallarate to Pace | 526.89 mi (847.94 km) |
| Gallarate to Palaiseau | 372.43 mi (599.37 km) |
| Gallarate to Pamiers | 395.65 mi (636.73 km) |
| Gallarate to Panazol | 360.75 mi (580.58 km) |
| Gallarate to Pantin | 373.37 mi (600.88 km) |
| Gallarate to Paray-le-Monial | 230.46 mi (370.88 km) |
