Are Pittsburgh International Airport and Sawyer International Airport in the same country?
yes
Pittsburgh International Airport
Pittsburgh International Airport (IATA: PIT, ICAO: KPIT, FAA LID: PIT) , formerly Greater Pittsburgh International Airport, is a civil–military international airport in the suburbs of the United States' city of Pittsburgh, Pennsylvania.
 It is located in Findlay and Moon townships of Allegheny County, about 20 mi west of downtown Pittsburgh.
Sawyer International Airport
Sawyer International Airport (IATA: MQT, ICAO: KSAW, FAA LID: SAW) is a county owned public use airport in Marquette County, Michigan, United States.
 It is located 17 nmi south of the central business district of the city of Marquette.
 It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a non-hub primary commercial service facility.
Allegheny County Airport
Allegheny County Airport (IATA: AGC, ICAO: KAGC, FAA LID: AGC) is in West Mifflin, Pennsylvania, four miles (6 km) southeast of Pittsburgh.
 It is the fifth-busiest airport in Pennsylvania following Philadelphia, Pittsburgh, Allentown, and Harrisburg.
 The airport is owned by the Allegheny County Airport Authority and is the primary FAA designated reliever airport for Pittsburgh International Airport. Burton, West Virginia
Nestled in the foothills of the Appalachian Mountains, Burton is an unincorporated community in Wetzel County, West Virginia, United States, located on a stretch of highway where both WV Route 7 and US Route 250 join for a few short miles between Cottontown, WV, and Hundred, WV.
 These 2 roads are responsible for the majority of traffic to and from the area and provide important connections to New Martinsville, WV to the West (approximately 45 minutes by car); Fairmont, WV to the Southeast (approx. 45 minutes); Morgantown, WV, to the West (approx. 60 minutes); and Moundsville, WV, to the Northeast (approx. 70 minutes).
 Other important connections include WV Route 69 North into Pennsylvania, where it turns into PA Route 18 and leads towards Waynesburg, PA (approx 45 minutes) and beyond to Pittsburgh, PA (approx 90-120 mins, traffic dependent).
 Pittsburgh International Airport, is the nearest intercontinental airport, while Burton is also served by a smaller regional airport, Morgantown Municipal Airport. 1990 Wayne County Airport runway collision
The Wayne County Airport runway collision involved the collision of two Northwest Airlines planes in dense fog at Detroit Metropolitan Wayne County Airport on December 3, 1990.
 It occurred when Flight 1482, a scheduled Douglas DC-9-14 operating from Detroit to Pittsburgh International Airport, taxied onto an active runway by mistake in dense fog and was hit by a departing Boeing 727 operating as Flight 299 to Memphis International Airport.
 One crew and seven occupants of the DC-9 were killed. USAir Flight 427
USAir Flight 427 was a scheduled flight from Chicago's O'Hare International Airport to Pittsburgh International Airport, with a final destination of West Palm Beach, Florida.
 On Thursday, September 8, 1994, the Boeing 737 flying this route crashed while approaching runway 28R of Pittsburgh International Airport, located in Findlay Township, Allegheny County, Pennsylvania, which at the time was the largest hub for the airline. M-553 (Michigan highway)
M-553 is a north–south state trunkline highway in the Upper Peninsula (UP) of the US state of Michigan.
 It connects M-35 near Gwinn with the Marquette Bypass, an expressway carrying US Highway 41 (US 41) and M-28 in Marquette.
 M-553 connects Marquette with Sawyer International Airport at the unincorporated community of K.I. Sawyer AFB, the former site of a US Air Force base, in the Sands Plains area of Marquette County.
 The intersection with CR 480 in Sands Township, known locally as the Crossroads, is the site of several businesses.
 North of this location, M-553 runs through some hilly terrain around a local ski hill. Pittsburgh International Airport People Movers
The Pittsburgh International Airport People Mover is a fully automated people mover system at the Pittsburgh International Airport serving Pittsburgh, Pennsylvania.
 Designed and installed at a cost of $14 million by Adtranz (now Bombardier), it runs in two parallel underground tunnels to connect the landside terminal with the airside terminal. Mountain Line Transit Authority
Mountain Line Transit Authority is the main provider of public transportation located in Morgantown, West Virginia and the surrounding area.
 It is also the provider of bus service on the campus of West Virginia University.
 Inter-city bus service to Fairmont, Clarksburg, Waynesburg, PA, Pittsburgh, PA, and the Pittsburgh International Airport is achieved with the Gray Line.
 Fare for all local routes is $0.75 (Purple UTC is $1.00), while Gray Line can cost up to $25 for a single person to Pittsburgh International Airport from Morgantown. Marquette County Airport
Marquette County Airport (IATA: MQT, ICAO: KMQT, FAA LID: MQT) is a former airport in Negaunee, Michigan.
 After the closure of the nearby K.I. Sawyer Air Force Base, the airport was closed and facilities were transferred to Sawyer International Airport.