| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Canton area, Lewis County, Missouri, USA | 40° 7' 56" N | 91° 31' 13" W | 8.3km (5.1 miles) |
| Canton geode locality, Lewis County, Missouri, USA | 40° 6' 21" N | 91° 32' 21" W | 11.1km (6.9 miles) |
| Vinson Quarry (Vinson Plant No. 12; Lima Plant No. 12), Adams County, Illinois, USA | 40° 9' 26" N | 91° 24' 32" W | 11.9km (7.4 miles) |
| La Grange road cut, Lewis County, Missouri, USA | 40° 3' 50" N | 91° 31' 46" W | 15.8km (9.8 miles) |
| LaGrange geode locality, Lewis County, Missouri, USA | 40° 3' 50" N | 91° 31' 45" W | 15.8km (9.8 miles) |
| Sheffler's Rock Shop and Geode mine, Clark County, Missouri, USA | 40° 22' 1" N | 91° 35' 21" W | 18.5km (11.5 miles) |
| La Grange quarry, Lewis County, Missouri, USA | 40° 2' 1" N | 91° 30' 9" W | 19.3km (12.0 miles) |
| Geode Glen Park, Warsaw, Hancock County, Illinois, USA | 40° 21' 38" N | 91° 25' 44" W | 19.4km (12.1 miles) |
| Wayland, Clark County, Missouri, USA | 40° 23' 39" N | 91° 34' 21" W | 21.2km (13.2 miles) |
| Binger Quarry, Adams County, Illinois, USA | 40° 3' 3" N | 91° 22' 36" W | 21.8km (13.5 miles) |
| Jacob's Geode Mine, Hamilton, Hancock County, Illinois, USA | 40° 22' 42" N | 91° 21' 17" W | 24.5km (15.2 miles) |
| Gray Quarry, Hamilton, Hancock County, Illinois, USA | 40° 23' 4" N | 91° 21' 28" W | 24.9km (15.5 miles) |
| Keokuk Dam, Lee County, Iowa, USA | 40° 23' 54" N | 91° 22' 26" W | 25.4km (15.8 miles) |
| Durham, Lewis County, Missouri, USA | 39° 59' 0" N | 91° 37' 0" W | 25.7km (16.0 miles) |
| Fox River, Clark County, Missouri, USA | 40° 25' 34" N | 91° 38' 34" W | 26.2km (16.3 miles) |
| Ewing quarry, Lewis County, Missouri, USA | 40° 0' 9" N | 91° 41' 39" W | 26.4km (16.4 miles) |
| Hamilton Clay Company pits, Hamilton, Hancock County, Illinois, USA | 40° 24' 0" N | 91° 20' 0" W | 27.5km (17.1 miles) |
| St. Francisville, Clark County, Missouri, USA | 40° 27' 29" N | 91° 34' 9" W | 28.2km (17.5 miles) |
| Weitholder Lorraine Plant No. 10 Quarry, Adams County, Illinois, USA | 40° 7' 14" N | 91° 12' 30" W | 29.3km (18.2 miles) |
| Campbell Quarry, Adams County, Illinois, USA | 39° 57' 27" N | 91° 23' 12" W | 30.3km (18.8 miles) |
| Sandusky, Lee County, Iowa, USA | 40° 27' 51" N | 91° 23' 12" W | 31.3km (19.5 miles) |
| Evans coal mine, Lewis County, Missouri, USA | 40° 7' 47" N | 91° 53' 35" W | 31.6km (19.7 miles) |
| Larry Creek, Hancock County, Illinois, USA | 40° 27' 56" N | 91° 21' 42" W | 32.4km (20.1 miles) |
| Quincy City Public Works & Bridge Department pit, Adams County, Illinois, USA | 39° 55' 59" N | 91° 23' 24" W | 32.7km (20.3 miles) |
| Quincy Quarry, Adams County, Illinois, USA | 39° 54' 6" N | 91° 24' 24" W | 35.5km (22.1 miles) |
| JM Quarry (Quarry-1 Calcium Carbonate Company), Adams County, Illinois, USA | 39° 53' 39" N | 91° 24' 1" W | 36.5km (22.7 miles) |
| Quarry-2 Calcium Carbonate Company, Adams County, Illinois, USA | 39° 53' 27" N | 91° 24' 12" W | 36.7km (22.8 miles) |
| Black White Lime Company, Adams County, Illinois, USA | 39° 53' 15" N | 91° 24' 0" W | 37.2km (23.1 miles) |
| Quarry-3 Calcium Carbonate Company (Underground Mine No. 3), Adams County, Illinois, USA | 39° 52' 51" N | 91° 24' 14" W | 37.8km (23.5 miles) |
| Menke Quarry (Menke; F.W. Stone and Lime Company), Adams County, Illinois, USA | 39° 52' 50" N | 91° 24' 0" W | 37.9km (23.6 miles) |
