- Waco
- Wakenda
- Walker
- Walnut Grove
- Wardell
- Wardsville
- Warrensburg
- Warrenton
- Warsaw
- Warson Woods
- Washburn
- Washington
- Wasola
- Watson
- Waverly
- Wayland
- Waynesville
- Weatherby
- Weatherby Lake
- Weaubleau
- Webb City
- Webster Groves
- Weingarten
- Weldon Spring
- Weldon Spring Heights
- Wellington
- Wellston
- Wellsville
- Wentworth
- Wentzville
- West Alton
- West Line
- West Plains
- West Sullivan
- Westboro
- Weston
- Westphalia
- Westwood
- Wheatland
- Wheaton
- Wheeling
- Whiteman Air Force Base
- Whiteside
- Whitewater
- Wilbur Park
- Wildwood
- Willard
- Williamsville
- Willow Springs
- Wilson City
- Winchester
- Windsor
- Windsor Place
- Winfield
- Winigan
- Winona
- Winston
- Wood Heights
- Woodson Terrace
- Wooldridge
- Worth
- Wortham
- Worthington
- Wright City
- Wyaconda
- Wyatt
