The drive from Spring Park to St. Louis is approximately 850 kilometers and takes about 9 hours. You will head south on I-35 and then east on I-70, which takes you through Iowa and Missouri directly to St. Louis. This is a popular route for those visiting the city's famous Gateway Arch and museums. The drive is efficient and well-maintained.
Total Distance: 850 km driving distance; 750 km straight-line air distance.
Expect traffic near St. Louis.
Summer for the best weather and outdoor activities.