| Opfikon to Kidderminster | 589.62 mi (948.90 km) |
| Opfikon to Kidlington | 534.66 mi (860.45 km) |
| Opfikon to Kidsgrove | 615.97 mi (991.30 km) |
| Opfikon to Killamarsh | 594.76 mi (957.18 km) |
| Opfikon to Killingworth | 682.29 mi (1,098.04 km) |
| Opfikon to Kilmarnock | 794.16 mi (1,278.08 km) |
| Opfikon to Kilsyth | 798.19 mi (1,284.57 km) |
| Opfikon to Kilwinning | 802.32 mi (1,291.21 km) |
| Opfikon to King's Lynn | 515.39 mi (829.43 km) |
| Opfikon to Kings Norton | 578.76 mi (931.42 km) |
| Opfikon to Kingsnorth | 430.27 mi (692.46 km) |
| Opfikon to Kingsteignton | 591.04 mi (951.18 km) |
| Opfikon to Kingston upon Hull | 584.39 mi (940.49 km) |
| Opfikon to Kingston upon Thames | 483.52 mi (778.15 km) |
| Opfikon to Kingswinford | 590.60 mi (950.48 km) |
