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).
The major city closest to the halfway point between Austin, TX and Waco, TX is Killeen, TX, situated 74.31 miles from Austin, TX and 59.19 miles from Waco, TX. It would take 1 hour 13 mins to go from Austin to Killeen and 1 hour 8 mins to go from Waco to Killeen.