| Houthulst to Orvault | 329.02 mi (529.51 km) |
| Houthulst to Osny | 138.33 mi (222.62 km) |
| Houthulst to Ostwald | 270.67 mi (435.59 km) |
| Houthulst to Ouistreham | 184.32 mi (296.63 km) |
| Houthulst to Oullins | 373.50 mi (601.09 km) |
| Houthulst to Outreau | 62.15 mi (100.03 km) |
| Houthulst to Oyonnax | 348.82 mi (561.37 km) |
| Houthulst to Ozoir-la-Ferriere | 152.50 mi (245.43 km) |
| Houthulst to Pace | 288.12 mi (463.69 km) |
| Houthulst to Palaiseau | 159.53 mi (256.74 km) |
| Houthulst to Pamiers | 546.83 mi (880.04 km) |
| Houthulst to Panazol | 362.96 mi (584.12 km) |
| Houthulst to Pantin | 145.89 mi (234.78 km) |
| Houthulst to Paray-le-Monial | 317.29 mi (510.63 km) |
| Houthulst to Parempuyre | 447.74 mi (720.56 km) |
