| Grootegast to Orthez | 745.29 mi (1,199.42 km) |
| Grootegast to Orvault | 538.57 mi (866.74 km) |
| Grootegast to Osny | 340.45 mi (547.90 km) |
| Grootegast to Ostwald | 328.32 mi (528.38 km) |
| Grootegast to Ouistreham | 392.21 mi (631.19 km) |
| Grootegast to Oullins | 522.50 mi (840.88 km) |
| Grootegast to Outreau | 264.49 mi (425.65 km) |
| Grootegast to Oyonnax | 481.74 mi (775.29 km) |
| Grootegast to Ozoir-la-Ferriere | 344.29 mi (554.07 km) |
| Grootegast to Pace | 496.50 mi (799.04 km) |
| Grootegast to Palaiseau | 357.12 mi (574.74 km) |
| Grootegast to Pamiers | 729.93 mi (1,174.70 km) |
| Grootegast to Panazol | 556.08 mi (894.93 km) |
| Grootegast to Pantin | 342.68 mi (551.49 km) |
| Grootegast to Paray-le-Monial | 477.24 mi (768.05 km) |
