▁Will am ette ▁Valley , ▁in ▁terms ▁of ▁driving ▁distances , ▁Cor v all is ▁is ▁about ▁ ▁east ▁of ▁New port ▁and ▁the ▁Oregon ▁Coast , ▁ ▁south ▁of ▁Port land , ▁ ▁south ▁of ▁the ▁state ▁capital , ▁S alem , ▁ ▁south west ▁of ▁Alb any , ▁about ▁ ▁west ▁of ▁Inter state ▁ 5 ▁at ▁its ▁closest ▁point , ▁and ▁ ▁north ▁of ▁Eug ene / Spring field . ▁Oregon ▁Route ▁ 9 9 W , ▁a ▁secondary ▁north – s outh ▁route , ▁also ▁runs ▁through ▁Cor v all is . ▁U . S . ▁Route ▁ 2 0 ▁( which ▁leads ▁to ▁New port ) ▁and ▁Oregon ▁Route ▁ 3 4 ▁( which ▁leads ▁to ▁Wald port ▁about ▁ ▁to ▁the ▁west ) ▁both ▁secondary ▁East - West ▁routes ▁run ▁through ▁Cor v all is ▁from ▁the ▁Oregon ▁Coast . ▁Cor v all is ▁is ▁at ▁river ▁mile ▁ 1 3 1 – 3 2 ▁of ▁the ▁Will am ette ▁River . ▁ ▁According ▁to ▁the ▁United ▁States ▁Census ▁Bureau , ▁the ▁city ▁has ▁a ▁total ▁area ▁of ▁, ▁of ▁which ▁ ▁are ▁land ▁and ▁ ▁is ▁covered ▁by ▁water . ▁ ▁Cl imate ▁ ▁Like ▁the ▁rest ▁of ▁the ▁Will am ette ▁Valley , ▁Cor v all is ▁falls ▁within ▁the ▁dry - sum mer ▁temper ate ▁climate ▁zone , ▁also ▁referred ▁to ▁as ▁cool - sum mer ▁Mediter rane an ▁( K ö ppen ▁C sb ). ▁Tem per atures ▁are ▁m ild ▁year ▁round