How far is Commerce City, CO from Rapid City, SD?
The driving distance from Commerce City, CO to Rapid City, SD is about 403.1 miles (648.7 km), with a travel time of about 07h 12m by car.
- The straight-line flight distance is about 307.9 miles (495.5 km).
- For a round trip, plan for roughly 14h 24m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 07h 12m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Platte County, Wyoming, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Chance Rain Showers then Cloudy
Driving Route Map
The map below follows the saved road route between Commerce City and Rapid City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Commerce City and Rapid City.
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1
Start on the route
732 ft · 56 sec
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2
At the end of the road, turn right onto Dexter Street
722 ft · 34 sec · Dexter Street
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3
Turn right
45 m · 16 sec
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4
Turn left
29 m · 12 sec
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5
At the end of the road, turn left onto East 60th Avenue
61 m · 15 sec · East 60th Avenue
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6
Turn right onto North Vasquez Boulevard
825 ft · 11 sec · North Vasquez Boulevard
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7
Take the exit slight right toward I 270 West: Boulder
1503 ft · 39 sec
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8
Merge slight left onto Dwight D. Eisenhower Highway
2.9 mi · 4 min · Dwight D. Eisenhower Highway
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9
Take the exit slight right toward I 25 North: Fort Collins
1690 ft · 41 sec
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10
Merge slight left onto North Valley Highway
1.3 km · 1 min · North Valley Highway
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11
Keep slight right to continue on North Valley Highway
4.3 mi · 6 min · North Valley Highway
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12
Keep slight right to continue on North Valley Highway
5.3 mi · 6 min · North Valley Highway
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13
Continue on Dwight D. Eisenhower Highway
197 mi · 3 hr 11 min · Dwight D. Eisenhower Highway
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14
Take the exit slight right toward US 18 East, US 20 East: Lusk
1450 ft · 40 sec
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15
Turn right onto US Highway 18/20
18.2 mi · 20 min · US Highway 18/20
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16
Continue on US Highway 20
23.3 mi · 25 min · US Highway 20
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17
Continue on West 8th Street
882 ft · 32 sec · West 8th Street
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18
Turn left onto South Main Street
1.4 km · 2 min · South Main Street
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19
Continue on US Highway 85
45.8 mi · 49 min · US Highway 85
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20
Turn right onto US Highway 18
44.8 mi · 52 min · US Highway 18
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21
Continue on Highway 18 West
1069 ft · 16 sec · Highway 18 West
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22
Turn right onto Highway 18 Bypass
1.1 mi · 1 min · Highway 18 Bypass
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23
Continue on Indianapolis Avenue
1.1 km · 1 min · Indianapolis Avenue
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24
Take the exit slight right toward US 18 EAST, US 395 SOUTH
56 m · 6 sec
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25
Merge slight left onto Jensen Highway
757 ft · 22 sec · Jensen Highway
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26
Continue on Fall River Road
4 mi · 5 min · Fall River Road
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27
Turn left onto SD Highway 79
6.2 mi · 7 min · SD Highway 79
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28
Continue on Highway 79
9.6 mi · 10 min · Highway 79
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29
Continue on SD Highway 79
9.7 mi · 10 min · SD Highway 79
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30
Continue on South Highway 79
8.1 mi · 9 min · South Highway 79
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31
Continue on South Heartland Expressway
2172 ft · 34 sec · South Heartland Expressway
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32
Continue on South Highway 79
13.6 mi · 16 min · South Highway 79
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33
Continue on Cambell Street
1.6 mi · 3 min · Cambell Street
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34
Turn slight right onto East Saint Joseph Street
1.4 mi · 3 min · East Saint Joseph Street
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35
Continue on East Main Street
1.4 mi · 4 min · East Main Street
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36
Turn left onto Mount Rushmore Road
130 m · 17 sec · Mount Rushmore Road
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37
Arrive at your destination
0 m · 1 sec · Mount Rushmore Road
Car Route Details
A richer read on the saved driving route between Commerce City and Rapid City.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Dwight D. Eisenhower Highway
Continue on Dwight D. Eisenhower Highway
197 mi · 03h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Slight Chance Rain Showers leaving Commerce City and Chance Rain Showers then Cloudy near Rapid City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Commerce City to Rapid City?
The road trip is about 403.1 miles (648.7 km) and usually takes 07h 12m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Glendo is a useful midpoint, sitting about 201.6 miles from Commerce City and 201.5 miles from Rapid City.
How much longer is the road route than the straight-line distance?
The direct path is about 307.9 miles (495.5 km), while the road route adds roughly 95.2 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $60.29 one way or $120.59 round trip. Estimated CO2 is about 126.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Commerce City and Chance Rain Showers then Cloudy near Rapid City.
Stop Ideas Near Glendo
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Glendo.
Douglas, Wyoming
Wheatland, Wyoming
Casper, Wyoming
Flight Path Map
This map shows the direct air route between Commerce City and Rapid City. Straight-line distance: 307.86 mi (495.45 km).
#1 Commerce City
The most populous city in Adams County, Colorado.
| Population | 60,336 |
| Coordinates | 39.8083200, -104.9338700 |
| Altitude | 1572 |
| Country | United States |
#2 Rapid City
The second most populous city in South Dakota.
| Population | 77,503 |
| Coordinates | 44.0805400, -103.2310100 |
| Altitude | 988 |
| Country | United States |
End: Rapid City (-103.23101, 44.08054)
Estimated Travel Time
Distance: 649 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 25m |
| 40 mph (64.37 km/h) | 10h 04m |
| 50 mph (80.47 km/h) | 08h 03m |
| 60 mph (96.56 km/h) | 06h 43m |
| 70 mph (112.65 km/h) | 05h 45m |
| 80 mph (129 km/h) | 05h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.24 | $60.29 | $120.59 |
| Mid-grade | $4.63 | $65.81 | $131.63 |
| Premium | $4.97 | $70.69 | $141.39 |
| Diesel | $6.31 | $89.79 | $179.58 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Colorado · Oct 13, 2026