| Sonderborg to Chaudfontaine | 345.95 mi (556.76 km) |
| Sonderborg to Chaumont-Gistoux | 361.41 mi (581.63 km) |
| Sonderborg to Chimay | 407.18 mi (655.30 km) |
| Sonderborg to Ciney | 374.49 mi (602.68 km) |
| Sonderborg to Colfontaine | 398.46 mi (641.26 km) |
| Sonderborg to Courcelles | 382.20 mi (615.08 km) |
| Sonderborg to Court-Saint-Etienne | 367.45 mi (591.35 km) |
| Sonderborg to Couvin | 403.28 mi (649.01 km) |
| Sonderborg to Damme | 369.93 mi (595.34 km) |
| Sonderborg to De Haan | 376.41 mi (605.78 km) |
| Sonderborg to De Panne | 398.37 mi (641.11 km) |
| Sonderborg to De Pinte | 371.87 mi (598.47 km) |
| Sonderborg to Deerlijk | 388.00 mi (624.43 km) |
| Sonderborg to Deinze | 376.08 mi (605.24 km) |
| Sonderborg to Denderleeuw | 366.05 mi (589.10 km) |
