How far is Grand Junction, CO from Castlewood, CO?
The driving distance from Grand Junction, CO to Castlewood, CO is about 254.1 miles (408.9 km), with a travel time of about 04h 54m by car.
- The straight-line flight distance is about 198.3 miles (319.2 km).
- For a round trip, plan for roughly 09h 49m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 54m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Location in Colorado, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain And Snow Showers Likely
Rain And Snow Showers
Driving Route Map
The map below follows the saved road route between Grand Junction and Castlewood.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grand Junction and Castlewood.
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1
Start on Pitkin Avenue
1.3 mi · 2 min · Pitkin Avenue
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2
Continue straight
4.3 mi · 7 min
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3
Continue straight
1.4 km · 1 min
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4
Keep slight right to continue on I 70 East: Denver
225.4 mi · 4 hr 13 min
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5
Take the exit slight right toward US 6 East: 6th Avenue, Lakewood
1795 ft · 44 sec
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6
Merge slight left onto West 6th Avenue Freeway
7.9 mi · 9 min · West 6th Avenue Freeway
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7
Take the exit slight right toward I 25: Fort Collins, Colorado Springs
1 km · 59 sec
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8
Take the exit slight right toward I 25 South: Colorado Springs
2680 ft · 1 min
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9
Merge slight left onto North Valley Highway
11.3 mi · 14 min · North Valley Highway
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10
Take the exit slight right toward CO 88: Arapahoe Road
1289 ft · 29 sec
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11
Turn right onto East Arapahoe Road
2024 ft · 46 sec · East Arapahoe Road
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12
Turn left onto South Uinta Street
1.1 km · 2 min · South Uinta Street
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13
At the end of the road, turn right onto South Tamarac Court
593 ft · 28 sec · South Tamarac Court
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14
Turn right onto East Fremont Avenue
1294 ft · 57 sec · East Fremont Avenue
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15
Arrive at your destination
0 m · 1 sec · East Fremont Drive
Car Route Details
A richer read on the saved driving route between Grand Junction and Castlewood.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 East
Keep slight right to continue on I 70 East: Denver
225 mi · 04h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Rain And Snow Showers Likely leaving Grand Junction and Rain And Snow Showers near Castlewood.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grand Junction to Castlewood?
The road trip is about 254.1 miles (408.9 km) and usually takes 04h 54m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Edwards is a useful midpoint, sitting about 126.9 miles from Grand Junction and 127.2 miles from Castlewood.
How much longer is the road route than the straight-line distance?
The direct path is about 198.3 miles (319.2 km), while the road route adds roughly 55.8 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 7:10 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.17 one way or $66.34 round trip. Estimated CO2 is about 79.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow Showers Likely around Grand Junction and Rain And Snow Showers near Castlewood.
Stop Ideas Near Edwards
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 Edwards.
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Flight Path Map
This map shows the direct air route between Grand Junction and Castlewood. Straight-line distance: 198.34 mi (319.2 km).
#1 Grand Junction
The most populous city in Mesa County, Colorado.
| Population | 63,447 |
| Coordinates | 39.0638700, -108.5506500 |
| Altitude | 1400 |
| Country | United States |
#2 Castlewood
City in Hamlin County, South Dakota, United States
| Population | 25,271 |
| Coordinates | 39.5847100, -104.9010900 |
| Altitude | 1746 |
| Country | United States |
End: Castlewood (-104.90109, 39.58471)
Estimated Travel Time
Distance: 409 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 28m |
| 40 mph (64.37 km/h) | 06h 21m |
| 50 mph (80.47 km/h) | 05h 04m |
| 60 mph (96.56 km/h) | 04h 14m |
| 70 mph (112.65 km/h) | 03h 37m |
| 80 mph (129 km/h) | 03h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $33.17 | $66.34 |
| Mid-grade | $4.08 | $36.63 | $73.27 |
| Premium | $4.39 | $39.39 | $78.77 |
| Diesel | $4.74 | $42.49 | $84.98 |
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 · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.