| Castleford to Klaukkala | 1,074.29 mi (1,728.91 km) |
| Castleford to Kokkola | 1,109.74 mi (1,785.95 km) |
| Castleford to Kontiolahti | 1,277.70 mi (2,056.26 km) |
| Castleford to Korsholm | 1,046.76 mi (1,684.60 km) |
| Castleford to Kotka | 1,148.55 mi (1,848.42 km) |
| Castleford to Kouvola | 1,146.50 mi (1,845.12 km) |
| Castleford to Kuhmo | 1,295.26 mi (2,084.51 km) |
| Castleford to Kuopio | 1,214.43 mi (1,954.43 km) |
| Castleford to Kurikka | 1,052.05 mi (1,693.10 km) |
| Castleford to Kuusamo | 1,333.57 mi (2,146.18 km) |
| Castleford to Kuusankoski | 1,144.49 mi (1,841.88 km) |
| Castleford to Lahti | 1,114.02 mi (1,792.84 km) |
| Castleford to Laitila | 985.32 mi (1,585.72 km) |
| Castleford to Lapinlahti | 1,216.32 mi (1,957.48 km) |
| Castleford to Lappeenranta | 1,197.89 mi (1,927.81 km) |
