| Duffel to Sint-Gillis-Waas | 19.12 mi (30.77 km) |
| Duffel to Sint-Job-in-'t-Goor | 13.99 mi (22.51 km) |
| Duffel to Sint-Joost-ten-Node | 18.22 mi (29.33 km) |
| Duffel to Sint-Katelijne-Waver | 2.41 mi (3.88 km) |
| Duffel to Sint-Kruis | 55.43 mi (89.21 km) |
| Duffel to Sint-Lievens-Houtem | 30.97 mi (49.84 km) |
| Duffel to Sint-Martens-Lennik | 26.16 mi (42.10 km) |
| Duffel to Sint-Michiels | 56.65 mi (91.16 km) |
| Duffel to Sint-Niklaas | 17.25 mi (27.76 km) |
| Duffel to Sint-Pieters-Leeuw | 24.77 mi (39.87 km) |
| Duffel to Sint-Truiden | 35.00 mi (56.32 km) |
| Duffel to Soignies | 41.75 mi (67.20 km) |
| Duffel to Soumagne | 63.31 mi (101.89 km) |
| Duffel to Spa | 72.28 mi (116.33 km) |
| Duffel to Sprimont | 65.12 mi (104.80 km) |
