Rapid City to Watertown, South Dakota: Road Trip Guide & Distance

306.6 miles 493.5 km · straight line
383.3 miles estimated 616.9 km · driving distance
7h 43min estimated drive time
$37 - $45 estimated fuel cost
~1h 7min flight time
77° ENE bearing direction

How far is Rapid City from Watertown, South Dakota?

The distance from Rapid City to Watertown, South Dakota is 306.6 miles (493.5 km) as the crow flies. Watertown, South Dakota is located ENE of Rapid City. By car, the driving distance is approximately 383.3 miles, taking about 7h 43min. A direct flight would take roughly 1h 7min. Both are located in United States.

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 Rapid City and Watertown, South Dakota. 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 Watertown, South Dakota

Method Time Est. Cost Best For
Drive 7h 43min $37 - $45 Flexible stops
Fly ~1h 7min $80–200* Speed
Bus ~9h 16min $31–$57* Budget
Train ~7h 20min $46–$134* Comfort

Suggested Stops Between Rapid City & Watertown, South Dakota

Quick Facts

Rapid City
44.08°N, 103.23°W
America/Chicago
966m elevation
Watertown, South Dakota
44.90°N, 97.12°W
America/Chicago
528m elevation
Explore more routes from Watertown, South Dakota

Did You Know?

  • At walking speed (3 mph), it would take about 102 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 26 hours
  • You could travel this distance about 81.2 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients