| Castanet-Tolosan to Klaukkala | 1,512.72 mi (2,434.49 km) |
| Castanet-Tolosan to Kokkola | 1,641.72 mi (2,642.10 km) |
| Castanet-Tolosan to Kontiolahti | 1,746.27 mi (2,810.35 km) |
| Castanet-Tolosan to Korsholm | 1,574.50 mi (2,533.92 km) |
| Castanet-Tolosan to Kotka | 1,575.13 mi (2,534.92 km) |
| Castanet-Tolosan to Kouvola | 1,585.42 mi (2,551.48 km) |
| Castanet-Tolosan to Kuhmo | 1,795.39 mi (2,889.40 km) |
| Castanet-Tolosan to Kuopio | 1,697.59 mi (2,732.01 km) |
| Castanet-Tolosan to Kurikka | 1,563.74 mi (2,516.60 km) |
| Castanet-Tolosan to Kuusamo | 1,870.86 mi (3,010.86 km) |
| Castanet-Tolosan to Kuusankoski | 1,584.97 mi (2,550.77 km) |
| Castanet-Tolosan to Lahti | 1,562.70 mi (2,514.92 km) |
| Castanet-Tolosan to Laitila | 1,460.65 mi (2,350.68 km) |
| Castanet-Tolosan to Lapinlahti | 1,711.77 mi (2,754.82 km) |
| Castanet-Tolosan to Lappeenranta | 1,633.40 mi (2,628.70 km) |
