| Caerfyrddin to Klaukkala | 1,250.69 mi (2,012.78 km) |
| Caerfyrddin to Kokkola | 1,287.75 mi (2,072.43 km) |
| Caerfyrddin to Kontiolahti | 1,455.78 mi (2,342.85 km) |
| Caerfyrddin to Korsholm | 1,224.96 mi (1,971.38 km) |
| Caerfyrddin to Kotka | 1,324.68 mi (2,131.87 km) |
| Caerfyrddin to Kouvola | 1,323.25 mi (2,129.56 km) |
| Caerfyrddin to Kuhmo | 1,473.57 mi (2,371.49 km) |
| Caerfyrddin to Kuopio | 1,392.67 mi (2,241.29 km) |
| Caerfyrddin to Kurikka | 1,230.38 mi (1,980.11 km) |
| Caerfyrddin to Kuusamo | 1,510.95 mi (2,431.63 km) |
| Caerfyrddin to Kuusankoski | 1,321.30 mi (2,126.43 km) |
| Caerfyrddin to Lahti | 1,291.07 mi (2,077.78 km) |
| Caerfyrddin to Laitila | 1,162.94 mi (1,871.57 km) |
| Caerfyrddin to Lapinlahti | 1,394.66 mi (2,244.48 km) |
| Caerfyrddin to Lappeenranta | 1,374.68 mi (2,212.33 km) |
