The exact cause of lichen planus is unknown. It may be related to an allergic or immune reaction. Risks for the condition include: Exposure to medicines, dyes, and other chemicals (including gold, antibiotics, arsenic, iodides, chloroquine, quinacrine, quinide, phenothiazines, and diuretics)
Closest Airport to Killeen, TX. The closest airport is Robert Gray Army Air Field Airport (GRK). Distance from Robert Gray Army Air Field Airport to Killeen is 11,1 kilometers (6,9 miles).
McKinney National Airport Location. 1  McKinney National Airport is located in the rapidly growing North Texas region at the confluence of Sam Rayburn Tollway (SRT) / S.H. 121, U.S. 75 and U.S. 380 - just 30 minutes from downtown Dallas. In fact, about 80% of the companies in Richardson, Plano and Allen are closer to McKinney than any other Dallas area airport.