| Seveso to Orthez | 509.57 mi (820.07 km) |
| Seveso to Orvault | 523.90 mi (843.13 km) |
| Seveso to Osny | 406.40 mi (654.03 km) |
| Seveso to Ostwald | 211.76 mi (340.79 km) |
| Seveso to Ouistreham | 505.19 mi (813.02 km) |
| Seveso to Oullins | 209.02 mi (336.38 km) |
| Seveso to Outreau | 492.54 mi (792.66 km) |
| Seveso to Oyonnax | 172.52 mi (277.65 km) |
| Seveso to Ozoir-la-Ferriere | 372.30 mi (599.16 km) |
| Seveso to Pace | 542.88 mi (873.68 km) |
| Seveso to Palaiseau | 386.78 mi (622.46 km) |
| Seveso to Pamiers | 410.42 mi (660.51 km) |
| Seveso to Panazol | 377.53 mi (607.58 km) |
| Seveso to Pantin | 387.38 mi (623.43 km) |
| Seveso to Paray-le-Monial | 246.98 mi (397.47 km) |
