context: The river length of the river Finland puolellaRajajokenaKokonaispituusHuomautuksia Kemijoki 550 km550 kmIijoki330 KM330 kmOunasjoki298 km298 kmKemijoen sivujokiKitinen278 km278 kmKemijoen sivujokiMuonionjoki230 km230 kmTornionjoen tributary, the entire length of the Finnish and Swedish rajanaLuiro227 km227 kmKemijoen sivujokiKymijoki180 km180 kmLatvavedet extend more than 600 km from the Inner SuomeenTornionjoki180 km522 kmyläjuoksu in Sweden up to a maximum downstream Finland and Sweden rajanaSimojoki172 km172 kmIvalojoki170 km170 kmKiiminkijoki170 km170 kmPyhäjoki162 km162 kmPerhonjoki155 km155 kmTenojoki152 km344 kmosa Finland and Norway, the other part of the Norwegian puolellaSiikajoki152 km152 kmKokemäenjoki150 km150 kmRaudanjoki150 km150 kmKemijoen sivujokiLapuanjoki147 km147 kmPorvoonjoki130 km130 kmKalajoki130 km130 kmKyrönjoki127 km127 kmLivojoki125 km125 kmSiuruanjoki120 km120 kmLoimijoki114 km114 kmKokemäenjoen sivujokiKarvianjoki110 km110 kmVaskojoki110 km110 kmOulujoki107 km107 kmOulankajoki105 km135 kmositt ain on the Russian sideNuorittajoki105 km105 kmKiehimänjoki105 km105 kmPaimionjoki105 km105 kmVantaanjoki101 km101 kmLieksanjoki80 km132kmfrom the Russian sideTennaya River62 km126 kmKemijoki River tributary; about half on the russian sideFor the 15 km150 kms the largest on the russian side
question: What is the longest river in Finland?
answers.text: Kemijoki