| Olfen to Chaudfontaine | 109.01 mi (175.44 km) |
| Olfen to Chaumont-Gistoux | 136.52 mi (219.71 km) |
| Olfen to Chimay | 176.41 mi (283.91 km) |
| Olfen to Ciney | 139.40 mi (224.34 km) |
| Olfen to Colfontaine | 178.09 mi (286.61 km) |
| Olfen to Courcelles | 156.84 mi (252.41 km) |
| Olfen to Court-Saint-Etienne | 143.13 mi (230.34 km) |
| Olfen to Couvin | 170.98 mi (275.16 km) |
| Olfen to Damme | 179.31 mi (288.57 km) |
| Olfen to De Haan | 189.57 mi (305.09 km) |
| Olfen to De Panne | 210.79 mi (339.23 km) |
| Olfen to De Pinte | 168.49 mi (271.16 km) |
| Olfen to Deerlijk | 184.06 mi (296.21 km) |
| Olfen to Deinze | 173.67 mi (279.50 km) |
| Olfen to Denderleeuw | 153.73 mi (247.41 km) |
