| Duffel to Bad Munder am Deister | 225.28 mi (362.55 km) |
| Duffel to Bad Munstereifel | 105.19 mi (169.29 km) |
| Duffel to Bad Nauheim | 191.90 mi (308.84 km) |
| Duffel to Bad Nenndorf | 224.92 mi (361.98 km) |
| Duffel to Bad Neuenahr-Ahrweiler | 119.65 mi (192.55 km) |
| Duffel to Bad Neustadt | 255.02 mi (410.42 km) |
| Duffel to Bad Oeynhausen | 198.69 mi (319.76 km) |
| Duffel to Bad Oldesloe | 309.55 mi (498.18 km) |
| Duffel to Bad Orb | 220.28 mi (354.50 km) |
| Duffel to Bad Pyrmont | 212.93 mi (342.68 km) |
| Duffel to Bad Rappenau | 240.31 mi (386.75 km) |
| Duffel to Bad Reichenhall | 441.90 mi (711.16 km) |
| Duffel to Bad Sackingen | 289.87 mi (466.50 km) |
| Duffel to Bad Salzdetfurth | 244.99 mi (394.28 km) |
| Duffel to Bad Salzuflen | 193.83 mi (311.94 km) |
