How far is Denver, CO from Castlewood, CO?
The driving distance from Denver, CO to Castlewood, CO is about 13.9 miles (22.4 km), with a travel time of about 00h 24m by car.
- The straight-line flight distance is about 11.6 miles (18.6 km).
- For a round trip, plan for roughly 00h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 24m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Denver and Castlewood.
Turn-by-Turn Driving Directions
Step-by-step road directions between Denver and Castlewood.
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1
Start on the route
115 m · 29 sec
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2
Turn right
19 m · 9 sec
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3
Turn right onto East Colfax Avenue
109 m · 14 sec · East Colfax Avenue
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4
Turn right onto Grant Street
1.1 mi · 3 min · Grant Street
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5
Turn left onto East Speer Boulevard
138 m · 13 sec · East Speer Boulevard
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6
Turn right onto Logan Street
1.8 mi · 3 min · Logan Street
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7
Turn left onto East Buchtel South Boulevard
1774 ft · 39 sec · East Buchtel South Boulevard
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8
Continue on East Buchtel South Boulevard
861 ft · 17 sec · East Buchtel South Boulevard
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9
Take the ramp slight left toward I 25 South
1.3 km · 2 min
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10
Keep slight left to continue on I 25 South
1016 ft · 25 sec
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11
Merge slight left onto South Valley Highway
7.6 mi · 9 min · South Valley Highway
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12
Take the exit slight right toward CO 88: Arapahoe Road
1289 ft · 29 sec
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13
Turn right onto East Arapahoe Road
2024 ft · 46 sec · East Arapahoe Road
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14
Turn left onto South Uinta Street
1.1 km · 2 min · South Uinta Street
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15
At the end of the road, turn right onto South Tamarac Court
593 ft · 28 sec · South Tamarac Court
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16
Turn right onto East Fremont Avenue
1294 ft · 57 sec · East Fremont Avenue
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17
Arrive at your destination
0 m · 1 sec · East Fremont Drive
Car Route Details
A richer read on the saved driving route between Denver and Castlewood.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
South Valley Highway
Merge slight left onto South Valley Highway
7.63 mi · 00h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Denver and Mostly Sunny then Slight Chance Showers And Thunderstorms near Castlewood.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Denver to Castlewood?
The road trip is about 13.9 miles (22.4 km) and usually takes 00h 24m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Glendale is a useful midpoint, sitting about 7 miles from Denver and 7 miles from Castlewood.
How much longer is the road route than the straight-line distance?
The direct path is about 11.6 miles (18.6 km), while the road route adds roughly 2.3 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:42 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.81 one way or $3.62 round trip. Estimated CO2 is about 4.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Denver and Mostly Sunny then Slight Chance Showers And Thunderstorms near Castlewood.
Stop Ideas Near Glendale
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Fairplay Park
Denver City Council
Town Hall Arts Center
Municipal Court Park
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Glendale.
Denver (Bus Station), Colorado
Union Station
Pine Junction, CO
Boulder, Colorado
Flight Path Map
This map shows the direct air route between Denver and Castlewood. Straight-line distance: 11.56 mi (18.6 km).
#1 Denver
The twentieth most populous city in the United States and the center of the Denver metropolitan area.
| Population | 735,538 |
| Coordinates | 39.7391500, -104.9847000 |
| Altitude | 1609 |
| 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: 22 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 27m |
| 40 mph (64.37 km/h) | 00h 20m |
| 50 mph (80.47 km/h) | 00h 16m |
| 60 mph (96.56 km/h) | 00h 13m |
| 70 mph (112.65 km/h) | 00h 11m |
| 80 mph (129 km/h) | 00h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $1.81 | $3.62 |
| Mid-grade | $4.08 | $2.00 | $4.00 |
| Premium | $4.39 | $2.15 | $4.30 |
| Diesel | $4.74 | $2.32 | $4.64 |
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 · May 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.