Is there a direct train?

No, you must transfer in Chicago.

How long is the drive?

Approximately 4 hours and 15 minutes.

Yes, expect tolls on the Illinois portion of the route.

What is the best highway?

I-55 South is the primary and most efficient route.

Yes, the route is well-maintained and heavily traveled.

Portage

Saint Louis

Train Driving

Portage to Saint Louis

Updated: 28 May 2026

The journey from Portage to St. Louis covers approximately 420 kilometers primarily via I-55 South. Driving takes about 4 hours depending on Chicago traffic congestion. Alternatively, you can drive to Chicago Union Station and take the Amtrak Lincoln Service train. This route traverses the heart of the Midwest, passing through central Illinois. Expect flat terrain and significant agricultural landscapes along the interstate.

Total Distance: 420 km driving, 385 km air distance.

Fastest Way

Driving via I-55 is the fastest method, taking roughly 4 hours.

Cheapest Way

Driving is the most cost-effective for groups of two or more.

Compare Portage to Saint Louis Routes

	Train Connecting	Driving Direct
Duration	7 hours	4 hours 15 mins
Avg Price	$35-$90	$50-$70 in fuel
Operator	Amtrak Lincoln Service	Personal Vehicle
Route	South Shore Line to Chicago Union Station, then Amtrak to St. Louis Gateway Station.	I-65 South to I-55 South via Chicago bypass.
Tip	Book tickets at least two weeks in advance for the lowest fares.	Avoid the I-80/I-55 interchange during morning rush hour.

Travel Tips

Traffic Timing
Leave Portage before 6 AM to bypass heavy Chicago traffic.
Toll Prep
Ensure you have an I-PASS or E-ZPass for seamless toll payments in Illinois.
Station Parking
Use the Millennium Park garage if you need to park near the train station.
Dining
Try St. Louis-style thin-crust pizza while visiting local neighborhoods.
Weather
Check for severe thunderstorm warnings in the Midwest during spring months.

Safety Tips

Road Safety
Watch for high winds on open stretches of I-55.
Vehicle Check
Ensure your tires are properly inflated for long-distance highway driving.
Urban Awareness
Stay in well-lit, populated areas when exploring downtown St. Louis at night.
Emergency Kit
Keep a basic roadside emergency kit in your trunk at all times.