 Omak has rail , air , and bus services for regional and state transportation . Rail lines from Cascade and Columbia River Railroad enter Omak from Oroville in the north and Wenatchee in the south . The line interchanges with BNSF Railway in the Wenatchee area . The City of Omak operates the general Omak Airport . The paved runway is the third largest in central Washington . The airport provides three daily charter flights , except on Saturdays and Sundays . Wings for Christ Airport and Mid @-@ Valley Hospital EMS Heliport are private aviation ports . The closest commercial airports are located in Penticton and East Wenatchee . Okanogan County Transportation & Nutrition provides bus services in the city , and the federal Amtrak and Greyhound Lines maintain bus stops there . 
