| Grande-Synthe to Orvault | 313.48 mi (504.49 km) |
| Grande-Synthe to Osny | 135.48 mi (218.03 km) |
| Grande-Synthe to Ostwald | 295.22 mi (475.11 km) |
| Grande-Synthe to Ouistreham | 164.98 mi (265.51 km) |
| Grande-Synthe to Oullins | 383.70 mi (617.50 km) |
| Grande-Synthe to Outreau | 37.61 mi (60.53 km) |
| Grande-Synthe to Oyonnax | 362.54 mi (583.44 km) |
| Grande-Synthe to Ozoir-la-Ferriere | 155.39 mi (250.08 km) |
| Grande-Synthe to Pace | 269.30 mi (433.40 km) |
| Grande-Synthe to Palaiseau | 158.89 mi (255.71 km) |
| Grande-Synthe to Pamiers | 546.63 mi (879.71 km) |
| Grande-Synthe to Panazol | 360.43 mi (580.06 km) |
| Grande-Synthe to Pantin | 146.36 mi (235.54 km) |
| Grande-Synthe to Paray-le-Monial | 325.92 mi (524.52 km) |
| Grande-Synthe to Parempuyre | 439.99 mi (708.09 km) |
