| Flensburg to Chaudfontaine | 330.85 mi (532.45 km) |
| Flensburg to Chaumont-Gistoux | 345.56 mi (556.13 km) |
| Flensburg to Chimay | 391.49 mi (630.05 km) |
| Flensburg to Ciney | 359.15 mi (578.00 km) |
| Flensburg to Colfontaine | 382.35 mi (615.33 km) |
| Flensburg to Courcelles | 366.31 mi (589.51 km) |
| Flensburg to Court-Saint-Etienne | 351.56 mi (565.79 km) |
| Flensburg to Couvin | 387.68 mi (623.92 km) |
| Flensburg to Damme | 353.27 mi (568.53 km) |
| Flensburg to De Haan | 359.70 mi (578.89 km) |
| Flensburg to De Panne | 381.63 mi (614.18 km) |
| Flensburg to De Pinte | 355.40 mi (571.96 km) |
| Flensburg to Deerlijk | 371.50 mi (597.87 km) |
| Flensburg to Deinze | 359.58 mi (578.68 km) |
| Flensburg to Denderleeuw | 349.79 mi (562.93 km) |
