The nearest airport is ZQL - Donaueschingen Villingen, located 46.2 km south west of Gruol.
Other airports nearby include STR - Stuttgart (49.8 km north east), ZCC - Baden-baden Baden Oos (65.9 km north west), SXB - Strassbourg Entzheim (88.0 km west), FDH - Friedrichshafen (93.0 km south east),