| Clayton to Klaukkala | 1,086.84 mi (1,749.10 km) |
| Clayton to Kokkola | 1,118.74 mi (1,800.43 km) |
| Clayton to Kontiolahti | 1,288.69 mi (2,073.94 km) |
| Clayton to Korsholm | 1,056.14 mi (1,699.69 km) |
| Clayton to Kotka | 1,161.23 mi (1,868.82 km) |
| Clayton to Kouvola | 1,158.81 mi (1,864.93 km) |
| Clayton to Kuhmo | 1,305.06 mi (2,100.29 km) |
| Clayton to Kuopio | 1,225.06 mi (1,971.54 km) |
| Clayton to Kurikka | 1,062.07 mi (1,709.24 km) |
| Clayton to Kuusamo | 1,341.77 mi (2,159.37 km) |
| Clayton to Kuusankoski | 1,156.76 mi (1,861.62 km) |
| Clayton to Lahti | 1,126.11 mi (1,812.31 km) |
| Clayton to Laitila | 996.96 mi (1,604.45 km) |
| Clayton to Lapinlahti | 1,226.50 mi (1,973.86 km) |
| Clayton to Lappeenranta | 1,210.15 mi (1,947.55 km) |
