Geography Onarga is located in western Iroquois County at (40.715432, -88.006928). U.S. Route 45 passes through the center of the village, leading north to Gilman and south to Buckley. Interstate 57 runs along the western border of the village, with access from Exit 280. I-57 leads north to Kankakee and south to Champaign. Chicago is to the north via I-57.
Geography Onarga is located in western Iroquois County at (40715432 -88006928) US Route 45 passes through the center of the village leading north to Gilman and south to Buckley Interstate 57 runs along the western border of the village with access from Exit 280 I-57 leads north to Kankakee and south to Champaign Chicago is to the north via I-57