Question: Twin Cities Air Service is an American fixed-base operator and charter airline based at Auburn, Maine and operating from Portland International Jetport, a public airport two miles (3 km) west of downtown Portland, in Cumberland County, in which state?
Sentence (from "Portland International Jetport"): Portland International Jetport (IATA: PWM, ICAO: KPWM, FAA LID: PWM) is a public airport two miles (3 km) west of downtown Portland, in Cumberland County, Maine.
Relevant evidence: Yes