| Romsey to Orthez | 519.37 mi (835.85 km) |
| Romsey to Orvault | 256.90 mi (413.45 km) |
| Romsey to Osny | 206.69 mi (332.64 km) |
| Romsey to Ostwald | 443.79 mi (714.21 km) |
| Romsey to Ouistreham | 130.24 mi (209.60 km) |
| Romsey to Oullins | 465.04 mi (748.41 km) |
| Romsey to Outreau | 136.25 mi (219.27 km) |
| Romsey to Oyonnax | 461.81 mi (743.21 km) |
| Romsey to Ozoir-la-Ferriere | 240.58 mi (387.18 km) |
| Romsey to Pace | 196.70 mi (316.56 km) |
| Romsey to Palaiseau | 229.06 mi (368.63 km) |
| Romsey to Pamiers | 563.13 mi (906.28 km) |
| Romsey to Panazol | 378.33 mi (608.86 km) |
| Romsey to Pantin | 225.66 mi (363.17 km) |
| Romsey to Paray-le-Monial | 404.53 mi (651.03 km) |
