| Albers Post Office | Clinton, IL | 2.4 miles | NW |
| Germantown Post Office | Clinton, IL | 4.5 miles | NE |
| New Memphis Post Office | Clinton, IL | 4.9 miles | SW |
| New Baden Post Office | Clinton, IL | 5.6 miles | NW |
| Okawville Post Office | Washington, IL | 6 miles | SE |
| Breese Post Office | Clinton, IL | 7.9 miles | NE |
| Mascoutah Post Office | St. Clair, IL | 10.8 miles | SW |
| Stone Church Post Office (historical) | Washington, IL | 11.2 miles | SW |
| Lebanon Post Office | St. Clair, IL | 12.8 miles | NW |
| Posey Post Office (historical) | Clinton, IL | 13.8 miles | NE |
| Carlyle Post Office | Clinton, IL | 14.2 miles | NE |
| Sparks Post Office (historical) | Clinton, IL | 14.7 miles | NE |
| Caspars Post Office (historical) | Washington, IL | 14.9 miles | SW |
| Highland Post Office | Madison, IL | 16.5 miles | NW |
| Nashville Post Office | Washington, IL | 16.5 miles | SE |
| O'Fallon Post Office | St. Clair, IL | 17.6 miles | NW |
| Freeburg Post Office | St. Clair, IL | 17.8 miles | SW |
| Hoyleton Post Office | Washington, IL | 18.4 miles | SE |
| New Athens Post Office | St. Clair, IL | 19.8 miles | SW |
| Belleville Post Office | St. Clair, IL | 20.9 miles | NW |
| Troy Post Office | Madison, IL | 21.5 miles | NW |
| Marine Post Office | Madison, IL | 21.5 miles | NW |
| Smithton Post Office | St. Clair, IL | 22.3 miles | SW |
| Shattuc Post Office | Clinton, IL | 23.2 miles | NE |
| Collinsville Post Office | Madison, IL | 23.5 miles | NW |
| Swanwick Post Office | Perry, IL | 23.9 miles | SE |
| Tamalco Post Office (historical) | Bond, IL | 24.6 miles | NE |
| Jordans Grove Post Office (historical) | Randolph, IL | 24.6 miles | SW |
| Centralia Post Office | Marion, IL | 25.3 miles | NE |
| Millstadt Post Office | St. Clair, IL | 26.8 miles | SW |
| Sparta Post Office | Randolph, IL | 27.4 miles | SW |
| Greenville Post Office | Bond, IL | 28.2 miles | NE |
| Edwardsville Post Office | Madison, IL | 28.3 miles | NW |
| Grand Arm Post Office (historical) | Jefferson, IL | 31.4 miles | SE |
| Worden Post Office | Madison, IL | 31.9 miles | NW |
| Waterloo Post Office | Monroe, IL | 32 miles | SW |
| Pinckneyville Post Office | Perry, IL | 32.1 miles | SE |
| Madison Post Office | Madison, IL | 32.4 miles | NW |
| Venice Post Office | Madison, IL | 32.8 miles | NW |
| Columbia Post Office | Monroe, IL | 32.8 miles | SW |
| Shops at the Old Post Office | St. Louis (city), MO | 33.1 miles | NW |
| Omphghent Post Office (historical) | Madison, IL | 33.3 miles | NW |
| Pleasant Prairie Post Office (historical) | Bond, IL | 33.9 miles | NE |
| East Carondelet Post Office (historical) | St. Clair, IL | 34.3 miles | NW |
| Roxana Post Office | Madison, IL | 34.7 miles | NW |
| Hartford Post Office | Madison, IL | 35.1 miles | NW |
| Scheller Post Office | Jefferson, IL | 35.3 miles | SE |
| Wood River Post Office | Madison, IL | 36 miles | NW |
| Salem Post Office | Marion, IL | 36.2 miles | NE |
| Staunton Post Office | Macoupin, IL | 36.2 miles | NW |
|