Finnish national road 5 (Finnish:Valtatie 5 or Viitostie, Swedish: Riksväg 5) is a main route connecting Lusi (Heinola) in the south of the country to Sodankylä in the north. It is 905 kilometres long. National road 5 forms part of the E63 between Vehmasmäki (Kuopio) and Sodankylä.
The road runs through the following municipalities: Heinola â Pertunmaa â Mäntyharju â Hirvensalmi â Mikkeli â Juva â Joroinen â Varkaus â Leppävirta â Kuopio â Siilinjärvi â Lapinlahti â Iisalmi â Sonkajärvi â Kajaani â Paltamo â Ristijärvi â Hyrynsalmi â Suomussalmi â Taivalkoski â Kuusamo â Posio â Salla â Kemijärvi â Pelkosenniemi â Sodankylä.