| Castelo Branco to Kidderminster | 903.71 mi (1,454.38 km) |
| Castelo Branco to Kidlington | 880.98 mi (1,417.81 km) |
| Castelo Branco to Kidsgrove | 949.74 mi (1,528.46 km) |
| Castelo Branco to Killamarsh | 977.32 mi (1,572.84 km) |
| Castelo Branco to Killingworth | 1,086.39 mi (1,748.38 km) |
| Castelo Branco to Kilmarnock | 1,099.93 mi (1,770.16 km) |
| Castelo Branco to Kilsyth | 1,127.73 mi (1,814.91 km) |
| Castelo Branco to Kilwinning | 1,101.78 mi (1,773.15 km) |
| Castelo Branco to King's Lynn | 968.77 mi (1,559.09 km) |
| Castelo Branco to Kings Norton | 909.26 mi (1,463.32 km) |
| Castelo Branco to Kingsnorth | 878.36 mi (1,413.59 km) |
| Castelo Branco to Kingsteignton | 765.02 mi (1,231.18 km) |
| Castelo Branco to Kingston upon Hull | 1,019.05 mi (1,640.01 km) |
| Castelo Branco to Kingston upon Thames | 872.34 mi (1,403.90 km) |
| Castelo Branco to Kingswinford | 912.00 mi (1,467.72 km) |
