Rapid City to Rocky Mountain: Road Trip Guide & Distance

287.1 miles 462 km · straight line
358.8 miles estimated 577.5 km · driving distance
7h 13min estimated drive time
$35 - $43 estimated fuel cost
~1h 5min flight time
207° SSW bearing direction

How far is Rapid City from Rocky Mountain?

The distance from Rapid City to Rocky Mountain is 287.1 miles (462 km) as the crow flies. Rocky Mountain is located SSW of Rapid City. By car, the driving distance is approximately 358.8 miles, taking about 7h 13min. A direct flight would take roughly 1h 5min. Both are located in United States — Rapid City in South Dakota and Rocky Mountain in Colorado.

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. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Rapid City and Rocky Mountain. 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 Rapid City to Rocky Mountain

Method Time Est. Cost Best For
Drive 7h 13min $35 - $43 Flexible stops
Fly ~1h 5min $80–200* Speed
Bus ~8h 40min $29–$54* Budget
Train ~6h 51min $43–$126* Comfort

Suggested Stops Between Rapid City & Rocky Mountain

Quick Facts

Rapid City
44.08°N, 103.23°W
America/Chicago
966m elevation
Rocky Mountain
40.34°N, 105.68°W
America/Denver
3658m elevation
Explore more routes from Rocky Mountain

Did You Know?

  • At walking speed (3 mph), it would take about 96 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 24 hours
  • You could travel this distance about 86.7 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients