- Located at the intersection of Route O and Route K north of Sedgewickville
- Latitude: 37°37'03" N (+37.6175)
- Longitude: 89°53'14" W (-89.8872)
- Elevation: 581 feet above sea level
- Public Land Survey: T. 34 N., R. 10 E., Sec. 25
- Civil township: Cinque Hommes
As the crow flies, Millheim is...