regional and 3d topo map of Knappa, United States - USA ::
Knappa airports ::
The nearest airport is PDX - Portland Intl, located 101.3 km south east of Knappa.
Other airports nearby include MMV - Mackminnville Mc Minnville Muni (115.5 km south), GRF - Fort Lewis Gray Aaf (125.6 km north east), TCM - Tacoma Mc Chord Afb (135.7 km north east), SEA - Seattle Tacoma Intl (170.9 km north east),