| Saint-Gregoire to Plombieres | 386.41 mi (621.87 km) |
| Saint-Gregoire to Pont-a-Celles | 316.44 mi (509.26 km) |
| Saint-Gregoire to Poperinge | 272.09 mi (437.88 km) |
| Saint-Gregoire to Profondeville | 333.05 mi (535.99 km) |
| Saint-Gregoire to Putte | 346.50 mi (557.64 km) |
| Saint-Gregoire to Puurs | 334.77 mi (538.76 km) |
| Saint-Gregoire to Quaregnon | 295.65 mi (475.80 km) |
| Saint-Gregoire to Raeren | 391.67 mi (630.33 km) |
| Saint-Gregoire to Ranst | 349.26 mi (562.08 km) |
| Saint-Gregoire to Ravels | 371.81 mi (598.37 km) |
| Saint-Gregoire to Retie | 370.40 mi (596.10 km) |
| Saint-Gregoire to Riemst | 374.94 mi (603.40 km) |
| Saint-Gregoire to Rijkevorsel | 362.87 mi (583.98 km) |
| Saint-Gregoire to Rixensart | 330.77 mi (532.32 km) |
| Saint-Gregoire to Rochefort | 341.41 mi (549.44 km) |
