| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ruby | city | Illinois | United States | 42.32 | -89.07 | 830 | |
| Rudement | city | Illinois | United States | 37.64 | -88.49 | 830 | |
| Rue Vallee | city | Illinois | United States | 42.16 | -88.07 | 830 | |
| Ruffled Feathers Golf Community | city | Illinois | United States | 41.66 | -87.96 | 830 | |
| Rugby | city | Illinois | United States | 40.91 | -88.49 | 830 | |
| Rugen Subdivision | city | Illinois | United States | 42.13 | -87.84 | 830 | |
| Ruma | city | Illinois | United States | 38.14 | -90.00 | 830 | |
| Rumpler | city | Illinois | United States | 40.11 | -87.92 | 830 | |
| Rural Hill | city | Illinois | United States | 37.96 | -88.65 | 830 | |
| Rushville | city | Illinois | United States | 40.12 | -90.56 | 830 | |
| Russell | city | Illinois | United States | 42.49 | -87.91 | 830 | |
| Russellville | city | Illinois | United States | 42.33 | -88.78 | 830 | |
| Russellville | city | Illinois | United States | 38.82 | -87.53 | 830 | |
| Rust | city | Illinois | United States | 38.00 | -88.76 | 830 | |
| Rustic Acres | city | Illinois | United States | 41.50 | -90.27 | 830 | |
| Rutherford | city | Illinois | United States | 40.02 | -88.05 | 830 | |
| Rutland | city | Illinois | United States | 40.98 | -89.04 | 830 |