| Boom to Kokkola | 1,114.90 mi (1,794.27 km) |
| Boom to Kontiolahti | 1,240.38 mi (1,996.20 km) |
| Boom to Korsholm | 1,047.85 mi (1,686.36 km) |
| Boom to Kotka | 1,081.81 mi (1,741.01 km) |
| Boom to Kouvola | 1,087.49 mi (1,750.15 km) |
| Boom to Kuhmo | 1,279.56 mi (2,059.26 km) |
| Boom to Kuopio | 1,185.87 mi (1,908.47 km) |
| Boom to Kurikka | 1,041.14 mi (1,675.55 km) |
| Boom to Kuusamo | 1,345.14 mi (2,164.79 km) |
| Boom to Kuusankoski | 1,086.44 mi (1,748.45 km) |
| Boom to Lahti | 1,060.58 mi (1,706.84 km) |
| Boom to Laitila | 946.95 mi (1,523.97 km) |
| Boom to Lapinlahti | 1,196.27 mi (1,925.21 km) |
| Boom to Lappeenranta | 1,137.84 mi (1,831.17 km) |
| Boom to Lapua | 1,071.70 mi (1,724.74 km) |
