| Geraardsbergen to Orvault | 346.49 mi (557.62 km) |
| Geraardsbergen to Osny | 142.69 mi (229.63 km) |
| Geraardsbergen to Ostwald | 230.25 mi (370.55 km) |
| Geraardsbergen to Ouistreham | 209.94 mi (337.87 km) |
| Geraardsbergen to Oullins | 351.71 mi (566.02 km) |
| Geraardsbergen to Outreau | 99.48 mi (160.10 km) |
| Geraardsbergen to Oyonnax | 322.20 mi (518.54 km) |
| Geraardsbergen to Ozoir-la-Ferriere | 147.25 mi (236.98 km) |
| Geraardsbergen to Pace | 311.18 mi (500.79 km) |
| Geraardsbergen to Palaiseau | 159.19 mi (256.19 km) |
| Geraardsbergen to Pamiers | 539.12 mi (867.63 km) |
| Geraardsbergen to Panazol | 360.13 mi (579.57 km) |
| Geraardsbergen to Pantin | 144.76 mi (232.97 km) |
| Geraardsbergen to Paray-le-Monial | 298.40 mi (480.23 km) |
| Geraardsbergen to Parempuyre | 452.06 mi (727.52 km) |
