PSC to SEA
Great-circle distance and true bearings between Tri Cities Airport and Seattle–Tacoma International Airport, plus the airlines and aircraft that fly the route.
Great-circle distance
149 nm
171 mi · 276 km
Initial bearing PSC→SEA
300° WNW
Initial bearing SEA→PSC
117° ESE
Airlines flying this route
Aircraft on this route
Dash 8 Q400
Historical route data from OpenFlights — may be out of date. Distances are great-circle; actual routings differ.