| Gravelines to Plombieres | 167.61 mi (269.74 km) |
| Gravelines to Pont-a-Celles | 102.81 mi (165.46 km) |
| Gravelines to Poperinge | 27.59 mi (44.41 km) |
| Gravelines to Profondeville | 127.23 mi (204.75 km) |
| Gravelines to Putte | 109.00 mi (175.41 km) |
| Gravelines to Puurs | 93.75 mi (150.87 km) |
| Gravelines to Quaregnon | 85.15 mi (137.03 km) |
| Gravelines to Raeren | 175.31 mi (282.13 km) |
| Gravelines to Ranst | 106.15 mi (170.83 km) |
| Gravelines to Ravels | 127.16 mi (204.65 km) |
| Gravelines to Retie | 128.91 mi (207.46 km) |
| Gravelines to Riemst | 151.89 mi (244.44 km) |
| Gravelines to Rijkevorsel | 117.06 mi (188.39 km) |
| Gravelines to Rixensart | 106.58 mi (171.52 km) |
| Gravelines to Rochefort | 146.89 mi (236.39 km) |
