| Duffel to Kidderminster | 302.69 mi (487.13 km) |
| Duffel to Kidlington | 254.88 mi (410.19 km) |
| Duffel to Kidsgrove | 318.12 mi (511.96 km) |
| Duffel to Killamarsh | 290.43 mi (467.40 km) |
| Duffel to Killingworth | 370.36 mi (596.03 km) |
| Duffel to Kilmarnock | 484.39 mi (779.55 km) |
| Duffel to Kilsyth | 486.89 mi (783.58 km) |
| Duffel to Kilwinning | 492.71 mi (792.94 km) |
| Duffel to King's Lynn | 209.37 mi (336.95 km) |
| Duffel to Kings Norton | 289.92 mi (466.58 km) |
| Duffel to Kingsnorth | 158.55 mi (255.16 km) |
| Duffel to Kingsteignton | 355.99 mi (572.91 km) |
| Duffel to Kingston upon Hull | 273.99 mi (440.95 km) |
| Duffel to Kingston upon Thames | 209.33 mi (336.88 km) |
| Duffel to Kingswinford | 301.29 mi (484.89 km) |
