Dubuque to St. Louis: Road Trip Guide & Distance

268.7 miles 432.5 km · straight line
335.9 miles estimated 540.6 km · driving distance
6h 45min estimated drive time
$32 - $40 estimated fuel cost
~1h 2min flight time
175° S bearing direction

How far is Dubuque from St. Louis?

The distance from Dubuque to St. Louis is 268.7 miles (432.5 km) as the crow flies. St. Louis is located S of Dubuque. By car, the driving distance is approximately 335.9 miles, taking about 6h 45min. A direct flight would take roughly 1h 2min. Both are located in United States — Dubuque in Iowa and St. Louis in Missouri.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee.

Coordinates come from public place data for Dubuque and St. Louis. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Dubuque to St. Louis

Method Time Est. Cost Best For
Drive 6h 45min $32 - $40 Flexible stops
Fly ~1h 2min $80–200* Speed
Bus ~8h 6min $27–$50* Budget
Train ~6h 25min $40–$118* Comfort

Suggested Stops Between Dubuque & St. Louis

Quick Facts

Dubuque
42.50°N, 90.66°W
America/Chicago
189m elevation
St. Louis
38.63°N, 90.20°W
America/Chicago
142m elevation
Explore more routes from St. Louis

Did You Know?

  • At walking speed (3 mph), it would take about 90 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 22 hours
  • You could travel this distance about 92.7 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients