| Castricum to Kidderminster | 291.19 mi (468.62 km) |
| Castricum to Kidlington | 257.24 mi (413.99 km) |
| Castricum to Kidsgrove | 290.98 mi (468.29 km) |
| Castricum to Killamarsh | 254.51 mi (409.59 km) |
| Castricum to Killingworth | 306.26 mi (492.88 km) |
| Castricum to Kilmarnock | 426.90 mi (687.03 km) |
| Castricum to Kilsyth | 423.99 mi (682.34 km) |
| Castricum to Kilwinning | 435.50 mi (700.87 km) |
| Castricum to King's Lynn | 179.45 mi (288.80 km) |
| Castricum to Kings Norton | 277.56 mi (446.69 km) |
| Castricum to Kingsnorth | 190.19 mi (306.09 km) |
| Castricum to Kingsteignton | 380.80 mi (612.85 km) |
| Castricum to Kingston upon Hull | 222.94 mi (358.78 km) |
| Castricum to Kingston upon Thames | 225.48 mi (362.88 km) |
| Castricum to Kingswinford | 287.14 mi (462.10 km) |
