St. Louis Amtrak to Machens via McKinley Bridge

There are other Katy-Amtrak options in the St. Louis area, most of which are shorter.

Courses/Routes for GPS Bicycle Computers

Ride with GPS: St. Louis Amtrak to Machens via McKinley Bridge
Garmin: St. Louis Amtrak to Machens via McKinley Bridge
Strava: NOT AVAILABLE

37.01 miles, 250 to 301 feet ascent (depending on who you believe)