| Opwijk to Orvault | 366.00 mi (589.01 km) |
| Opwijk to Osny | 161.96 mi (260.65 km) |
| Opwijk to Ostwald | 229.48 mi (369.32 km) |
| Opwijk to Ouistreham | 228.65 mi (367.98 km) |
| Opwijk to Oullins | 363.99 mi (585.78 km) |
| Opwijk to Outreau | 114.43 mi (184.16 km) |
| Opwijk to Oyonnax | 332.33 mi (534.83 km) |
| Opwijk to Ozoir-la-Ferriere | 165.37 mi (266.14 km) |
| Opwijk to Pace | 330.32 mi (531.60 km) |
| Opwijk to Palaiseau | 177.94 mi (286.37 km) |
| Opwijk to Pamiers | 555.67 mi (894.26 km) |
| Opwijk to Panazol | 377.94 mi (608.24 km) |
| Opwijk to Pantin | 163.50 mi (263.13 km) |
| Opwijk to Paray-le-Monial | 312.01 mi (502.13 km) |
| Opwijk to Parempuyre | 470.87 mi (757.80 km) |
