Marietta
Marietta
St. Louis
St. Louis
Driving

Marietta to St. Louis

Updated: 29 May 2026

The drive from Marietta to St. Louis is approximately 750 kilometers. You will travel west on I-70. This route takes you through the heart of the Midwest. The journey takes about eight hours, depending on traffic near the St. Louis metropolitan area.

Total Distance: 750 km driving, 680 km air distance.
Fastest Way
Driving via I-70 is the fastest route, taking 8 hours.
Cheapest Way
Driving is the most practical and cost-effective method.
Compare Marietta to St. Louis Routes
Driving
Direct
Duration
8 hours
Avg Price
90-100 USD
Operator
Personal Vehicle
Route
I-70 West.

Expect heavy traffic on I-70 entering St. Louis.

Travel Tips
  • Traffic
    Avoid the St. Louis expressways during rush hour to save time.
  • Rest Stops
    Find plenty of service plazas along the interstate for food and fuel.
  • Navigation
    Use a GPS to navigate the complex highway system in St. Louis.
  • Parking
    Downtown St. Louis has many parking garages; check for event parking rates.
  • Weather
    St. Louis can be hot and humid in the summer; check forecasts.
Safety Tips
  • Speeding
    Police are active on the interstates; maintain the speed limit.
  • Road Conditions
    Be cautious of heavy traffic and construction zones.
  • Emergency
    Keep a roadside kit in your vehicle.
  • Visibility
    Use headlights during rain or storms.
People Also Ask
  • Is there a train to St. Louis?
    Amtrak serves St. Louis, but there is no rail connection from Marietta.
  • How long is the drive?
    Approximately 8 hours.
  • Are there tolls?
    No, this route is toll-free.
  • What is the best route?
    I-70 West is the standard path.
  • Is it a safe drive?
    Yes, it is a major interstate highway.
Quick Info
  • From Marietta, Ohio, United States
  • To St. Louis, Missouri, United States
  • Modes
Best Time to Travel

Spring or autumn for pleasant weather in the city.

Things to Do in St. Louis
1
Gateway Arch
Visit the iconic monument that symbolizes the gateway to the West.
2
St. Louis Zoo
Explore one of the best zoos in the country.
3
Forest Park
Enjoy the vast park with its museums and gardens.
4
City Museum
Visit the unique, interactive museum built from repurposed materials.
Tags
Marietta to St. Louis drive I-70 West route Marietta to St. Louis distance Ohio to MO road trip driving to St. Louis St. Louis travel guide fastest way to St. Louis Marietta to St. Louis travel