How far is Castle Pines, CO from Westminster, CO?
The driving distance from Castle Pines, CO to Westminster, CO is about 35.6 miles (57.3 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 27.2 miles (43.8 km).
- For a round trip, plan for roughly 01h 23m 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 41m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
City in Colorado
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Castle Pines and Westminster.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Pines and Westminster.
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1
Start on Country Club Parkway
86 m · 13 sec · Country Club Parkway
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2
Continue on Country Club Drive
146 m · 25 sec · Country Club Drive
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3
Turn left onto Lagae Road
1160 ft · 51 sec · Lagae Road
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4
Turn slight right onto Chase Lane
1.2 km · 3 min · Chase Lane
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5
Turn right onto Lagae Road
1816 ft · 50 sec · Lagae Road
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6
Enter the roundabout and take exit 2 toward East Happy Canyon Road
96 m · 6 sec · East Happy Canyon Road
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7
Exit the roundabout onto East Happy Canyon Road
872 ft · 23 sec · East Happy Canyon Road
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8
Take the ramp left toward I 25 North
1968 ft · 50 sec
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9
Merge slight left
29.3 mi · 35 min
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10
Take the exit slight left toward US 36 West: Westminster, Boulder
2930 ft · 52 sec
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11
Merge slight right onto Denver–Boulder Turnpike
1.8 mi · 2 min · Denver–Boulder Turnpike
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12
Take the exit slight right toward US 287: Federal Boulevard
1157 ft · 23 sec
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13
Keep slight right to continue on US 287 North: Federal Boulevard
1577 ft · 34 sec
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14
Turn straight onto Federal Boulevard
1417 ft · 40 sec · Federal Boulevard
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15
Turn left onto West 80th Avenue
2676 ft · 1 min · West 80th Avenue
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16
Turn left onto Lowell Boulevard
1996 ft · 44 sec · Lowell Boulevard
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17
Turn right onto West 77th Avenue
873 ft · 42 sec · West 77th Avenue
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18
Turn right onto Newton Street
35 m · 5 sec · Newton Street
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19
Arrive at your destination
0 m · 1 sec · Newton Street
Car Route Details
A richer read on the saved driving route between Castle Pines and Westminster.
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 25 North
Merge slight left
29.3 mi · 00h 35m
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.
Sunny leaving Castle Pines and Mostly Sunny near Westminster.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Pines to Westminster?
The road trip is about 35.6 miles (57.3 km) and usually takes 00h 41m 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 17.8 miles from Castle Pines and 17.9 miles from Westminster.
How much longer is the road route than the straight-line distance?
The direct path is about 27.2 miles (43.8 km), while the road route adds roughly 8.4 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 7:06 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.66 one way or $9.32 round trip. Estimated CO2 is about 11.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Castle Pines and Mostly Sunny near Westminster.
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 Castle Pines and Westminster. Straight-line distance: 27.22 mi (43.8 km).
#1 Castle Pines
City in Douglas County, Colorado, United States of America
| Population | 11,664 |
| Coordinates | 39.4580400, -104.8960900 |
| Altitude | 1999 |
| Country | United States |
#2 Westminster
The most populous city in Adams County, Colorado.
| Population | 115,046 |
| Coordinates | 39.8366500, -105.0372000 |
| Altitude | 1641 |
| Country | United States |
End: Newton Street (-105.037386, 39.836648)
Estimated Travel Time
Distance: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $4.66 | $9.32 |
| Mid-grade | $4.08 | $5.15 | $10.29 |
| Premium | $4.39 | $5.53 | $11.07 |
| Diesel | $4.74 | $5.97 | $11.94 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.