States I've landed in:

State Airport
Alabama Luverne (04A)
Alaska Fairbanks (PAFA)
Arizona St. Johns (SJN)
Arkansas Mena (MEZ)
California John Wayne (SNA)
Colorado Leadville (LXV)
Connecticut Windsor Locks (BDL)
Deleware Summit (EVY)
Florida Jacksonville (JAX)
Georgia Peachtree (PDK)
Hawaii Molokai (MKK)
Idaho Boise (BOI)
Illinois Meigs (CGX)
Indiana Greenwood (HFY)
Iowa Muskatine (MUT)
Kansas
Kentucky Louisville (LOU)
Louisiana Lakefront (NEW)
Maine Greenville (3B1)
Maryland College Park (CGS)
Massachusetts
Michigan Manistee (MBL)
Minnesota Austin (AUM)
Mississippi Jackson (HKS)
Missouri Kirksville (IRK)
Montana
Nebraska Valentine (VTN)
Nevada North Las Vegas (VGT)
New Hampshire
New Jersey Wildwood (WDD)
New Mexico Roswell (ROW)
New York Seneca Falls (0G7)
North Carolina Ocracoke (W95)
North Dakota Minot (MOT)
Ohio Cincinnati (LUK)
Oklahoma Norman (OUN)
Oregon Creswell (77S)
Pennsylvania Erie (ERI)
Rhode Island
South Carolina Columbia (CUB)
South Dakota Winner (SFD)
Tenessee Knoxville (DKX)
Texas Kerrville (ERV)
Utah St. George (SGU)
Vermont
Virginia Hot Springs (HSP)
Washington Harvey (S43)
West Virginia Lewisburg (LWB)
Wisconsin La Crosse (LSE)
Wyoming Cody (COD)