| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Wheaton | city | Illinois | United States | 41.86611 | -88.10694 | 751 | 137303 |
| Wheeler | city | Illinois | United States | 39.04667 | -88.31639 | 567 | 827 |
| Wheeling | city | Illinois | United States | 42.13917 | -87.92889 | 646 | 132317 |
| Whiskey Point subdivision | city | Illinois | United States | 41.91667 | -87.75583 | 613 | 589088 |
| Whiskey Point subdivision | city | Illinois | United States | 41.81028 | -87.6625 | 593 | 562172 |
| Whiskey Row subdivision | city | Illinois | United States | 41.81917 | -87.66528 | 593 | 562172 |
| Whitaker | city | Illinois | United States | 41.25139 | -87.72778 | 682 | 2235 |
| White Ash | city | Illinois | United States | 37.78944 | -88.92472 | 479 | 16260 |
| White City | city | Illinois | United States | 40.105 | -90.1075 | 488 | 709 |
| White City | city | Illinois | United States | 39.06472 | -89.76333 | 639 | 8051 |
| White Hall | city | Illinois | United States | 39.43694 | -90.40306 | 554 | 4784 |
| White Heath | city | Illinois | United States | 40.08611 | -88.51278 | 698 | 1295 |
| White Hill | city | Illinois | United States | 37.31917 | -89.02139 | 341 | 1436 |
| White Oak | city | Illinois | United States | 39.50972 | -89.57111 | 606 | 1859 |
| White Pigeon | city | Illinois | United States | 41.89028 | -89.89111 | 702 | 1652 |
| White Rock | city | Illinois | United States | 42.03639 | -89.13389 | 816 | 2851 |
| White Willow historical | city | Illinois | United States | 41.47472 | -88.38472 | 590 | 1796 |
| Whitefield | city | Illinois | United States | 41.14861 | -89.50472 | 702 | 887 |
| Whiteoak | city | Illinois | United States | 38.22806 | -89.72611 | 498 | 1662 |
| Whitesville historical | city | Illinois | United States | 37.68111 | -88.46389 | 390 | 2058 |
| Whittington | city | Illinois | United States | 38.08917 | -88.90278 | 449 | 2151 |
| Whitton | city | Illinois | United States | 42.22583 | -90.30833 | 643 | 883 |
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