| population | |
| Comfort Inn Oacoma | |
| Days Inn ChamberlainOacoma | |
| Fort Recovery (historical) | |
| Howard Johnson Inn & Suites Oacoma | |
| Howard Johnson Inn And Suites Oacoma |
| population | |
| Oacoma Post Office | |
| Oasis Inn | |
| Quality Inn |
 | Pierre Regional Airport | ~ 97.32 km |
| Mitchell Municipal Airport | ~ 107.09 km |
| Huron Regional Airport | ~ 111.89 km |
| Miller Field | ~ 142.01 km |
| Ainsworth Regional Airport | ~ 145.17 km |
| The O'Neill Municipal John L Baker Field | ~ 158.36 km |
| Philip Airport | ~ 180.41 km |
| Madison Municipal Airport | ~ 184.65 km |
| Chan Gurney Municipal Airport | ~ 188.44 km |
