| South River to Klaukkala | 4,125.92 mi (6,640.02 km) |
| South River to Kokkola | 3,967.74 mi (6,385.47 km) |
| South River to Kontiolahti | 4,185.63 mi (6,736.12 km) |
| South River to Korsholm | 3,949.42 mi (6,355.98 km) |
| South River to Kotka | 4,187.52 mi (6,739.16 km) |
| South River to Kouvola | 4,166.38 mi (6,705.14 km) |
| South River to Kuhmo | 4,127.60 mi (6,642.72 km) |
| South River to Kuopio | 4,122.56 mi (6,634.62 km) |
| South River to Kurikka | 3,984.95 mi (6,413.16 km) |
| South River to Kuusamo | 4,054.44 mi (6,524.99 km) |
| South River to Kuusankoski | 4,162.63 mi (6,699.11 km) |
| South River to Lahti | 4,131.80 mi (6,649.50 km) |
| South River to Laitila | 4,018.53 mi (6,467.20 km) |
| South River to Lapinlahti | 4,098.12 mi (6,595.28 km) |
| South River to Lappeenranta | 4,201.69 mi (6,761.97 km) |
