Is there a direct train to Salt Lake City?

No, there is no direct passenger rail service from Missouri to Salt Lake City.

What is the best highway for this trip?

Interstate 70 West is the most direct and well-maintained route.

Do I need a rental car in Salt Lake City?

It depends; the city center is walkable, but mountains require a vehicle.

Are there tolls on this route?

There are no major toll roads on the primary I-70 route through Kansas and Colorado.

How long is the flight?

Flights typically take 5 to 7 hours depending on the connection time.

Wentzville

Salt Lake City

Flight Driving

Wentzville to Salt Lake City

Updated: 28 May 2026

The journey from Wentzville to Salt Lake City spans approximately 1,950 kilometers across the American heartland. Most travelers drive via I-70 West, passing through Kansas and Colorado before reaching the Rockies. Alternatively, flying from St. Louis Lambert International Airport (STL) offers a significantly faster transit. The drive takes roughly 18 to 20 hours of pure road time. You will traverse diverse landscapes ranging from Missouri farmlands to the high-altitude terrain of the Wasatch Range. Planning for mountain weather is essential if driving during winter months.

Total Distance: 1,950 km driving distance; 1,720 km straight-line air distance.

Fastest Way

Flying from STL to SLC takes approximately 5 hours including layovers.

Cheapest Way

Driving is the cheapest for groups of three or more people sharing fuel costs.

Compare Wentzville to Salt Lake City Routes

	Flight Connecting	Driving Direct
Duration	5 hours	19 hours
Avg Price	$300-$600	$250-$400 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	STL to SLC via Denver or Las Vegas.	I-70 West through Kansas City, Denver, and Grand Junction.
Tip	Book at least three weeks in advance to secure lower fares on connecting flights.	Check your tire pressure and coolant levels before crossing the Continental Divide.

Travel Tips

Altitude Awareness
Salt Lake City sits at 1,300 meters; stay hydrated to avoid altitude sickness.
Mountain Driving
Use lower gears when descending steep grades on I-70 to prevent brake overheating.
Public Transit
Use the TRAX light rail system to navigate the city center efficiently without a car.
Time Zone
Remember that Utah is in the Mountain Time Zone, one hour behind Missouri.
Packing
Bring layers, as temperatures can fluctuate significantly between the valley and the mountains.

Safety Tips

Winter Driving
Carry tire chains if traveling through the Rockies between November and April.
Wildlife
Watch for deer and elk on mountain roads, especially during dawn and dusk.
Emergency Kit
Keep a winter survival kit in your trunk including blankets and non-perishable food.
Hydration
The air is very dry; carry extra water in your vehicle at all times.