| Severn to Orthez | 3,811.49 mi (6,134.01 km) |
| Severn to Orvault | 3,674.88 mi (5,914.15 km) |
| Severn to Osny | 3,789.11 mi (6,097.98 km) |
| Severn to Ostwald | 4,039.15 mi (6,500.39 km) |
| Severn to Ouistreham | 3,685.67 mi (5,931.51 km) |
| Severn to Oullins | 3,998.42 mi (6,434.83 km) |
| Severn to Outreau | 3,729.26 mi (6,001.67 km) |
| Severn to Oyonnax | 4,019.37 mi (6,468.55 km) |
| Severn to Ozoir-la-Ferriere | 3,822.35 mi (6,151.47 km) |
| Severn to Pace | 3,647.34 mi (5,869.83 km) |
| Severn to Palaiseau | 3,805.63 mi (6,124.57 km) |
| Severn to Pamiers | 3,931.22 mi (6,326.69 km) |
| Severn to Panazol | 3,841.04 mi (6,181.55 km) |
| Severn to Pantin | 3,807.55 mi (6,127.65 km) |
| Severn to Paray-le-Monial | 3,947.19 mi (6,352.40 km) |
