Boulder to Sioux City: Road Trip Guide & Distance

491.4 miles 790.8 km · straight line
589.7 miles estimated 949 km · driving distance
11h 52min estimated drive time
$57 - $70 estimated fuel cost
~1h 29min flight time
67° ENE bearing direction

How far is Boulder from Sioux City?

The distance from Boulder to Sioux City is 491.4 miles (790.8 km) as the crow flies. Sioux City is located ENE of Boulder. By car, the driving distance is approximately 589.7 miles, taking about 11h 52min. A direct flight would take roughly 1h 29min. Both are located in United States — Boulder in Colorado and Sioux City in Iowa.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Boulder and Sioux City. 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 Boulder to Sioux City

Method Time Est. Cost Best For
Drive 11h 52min $57 - $70 Flexible stops
Fly ~1h 29min $80–200* Speed
Bus ~14h 14min $47–$88* Budget
Train ~11h 16min $71–$206* Comfort

Suggested Stops Between Boulder & Sioux City

Quick Facts

Boulder
40.02°N, 105.27°W
America/Denver
1655m elevation
Sioux City
42.50°N, 96.40°W
America/Chicago
366m elevation
Explore more routes from Sioux City

Did You Know?

  • At walking speed (3 mph), it would take about 164 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 41 hours
  • You could travel this distance about 50.7 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients