| Potters Bar to Kidbrooke | 18.63 mi (29.99 km) |
| Potters Bar to Kidderminster | 99.92 mi (160.80 km) |
| Potters Bar to Kidlington | 48.16 mi (77.51 km) |
| Potters Bar to Kidsgrove | 129.59 mi (208.55 km) |
| Potters Bar to Killamarsh | 121.73 mi (195.91 km) |
| Potters Bar to Killingworth | 237.18 mi (381.71 km) |
| Potters Bar to Kilmarnock | 322.80 mi (519.49 km) |
| Potters Bar to Kilsyth | 335.31 mi (539.63 km) |
| Potters Bar to Kilwinning | 329.95 mi (531.01 km) |
| Potters Bar to King's Lynn | 76.99 mi (123.91 km) |
| Potters Bar to Kings Norton | 88.84 mi (142.97 km) |
| Potters Bar to Kingsnorth | 60.28 mi (97.01 km) |
| Potters Bar to Kingsteignton | 168.05 mi (270.45 km) |
| Potters Bar to Kingston upon Hull | 141.53 mi (227.77 km) |
| Potters Bar to Kingston upon Thames | 20.50 mi (32.99 km) |
