How far is Alamosa, CO from Westminster, CO?
The driving distance from Alamosa, CO to Westminster, CO is about 220.4 miles (354.7 km), with a travel time of about 03h 49m by car.
- The straight-line flight distance is about 169.6 miles (273 km).
- For a round trip, plan for roughly 07h 38m 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 03h 49m.
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.
The most populous city in Pueblo County, Colorado.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Alamosa and Westminster.
Turn-by-Turn Driving Directions
Step-by-step road directions between Alamosa and Westminster.
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1
Start on Ross Avenue
20 m · 7 sec · Ross Avenue
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2
Turn left onto Fourth Street
2320 ft · 1 min · Fourth Street
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3
At the end of the road, turn left onto Denver Avenue
159 m · 18 sec · Denver Avenue
-
4
Continue on Broadway Avenue
1420 ft · 41 sec · Broadway Avenue
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5
Continue on Santa Fe Avenue
71.4 mi · 1 hr 28 min · Santa Fe Avenue
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6
Turn left onto Main Street
1938 ft · 44 sec · Main Street
-
7
Continue on Main Street
64 m · 4 sec · Main Street
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8
Continue on Walsen Avenue
1.1 km · 1 min · Walsen Avenue
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9
Continue on US Highway 85/87
1.6 mi · 2 min · US Highway 85/87
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10
Take the ramp straight toward I 25 North: Pueblo
86.9 mi · 1 hr 31 min
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11
Continue on Monument Valley Freeway
8.5 mi · 10 min · Monument Valley Freeway
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12
Continue on Ronald Reagan Highway
68.6 mi · 1 hr 16 min · Ronald Reagan Highway
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13
Take the exit slight left toward US 36 West: Westminster, Boulder
2930 ft · 52 sec
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14
Merge slight right onto Denver–Boulder Turnpike
1.8 mi · 2 min · Denver–Boulder Turnpike
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15
Take the exit slight right toward US 287: Federal Boulevard
1157 ft · 23 sec
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16
Keep slight right to continue on US 287 North: Federal Boulevard
1577 ft · 34 sec
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17
Turn straight onto Federal Boulevard
1417 ft · 40 sec · Federal Boulevard
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18
Turn left onto West 80th Avenue
2676 ft · 1 min · West 80th Avenue
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19
Turn left onto Lowell Boulevard
1996 ft · 44 sec · Lowell Boulevard
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20
Turn right onto West 77th Avenue
873 ft · 42 sec · West 77th Avenue
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21
Turn right onto Newton Street
35 m · 5 sec · Newton Street
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22
Arrive at your destination
0 m · 1 sec · Newton Street
Car Route Details
A richer read on the saved driving route between Alamosa 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
Take the ramp straight toward I 25 North: Pueblo
86.9 mi · 01h 31m
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.
Sunny leaving Alamosa and Sunny near Westminster.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Alamosa to Westminster?
The road trip is about 220.4 miles (354.7 km) and usually takes 03h 49m 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?
Pueblo is a useful midpoint, sitting about 121.7 miles from Alamosa and 98.8 miles from Westminster.
How much longer is the road route than the straight-line distance?
The direct path is about 169.6 miles (273 km), while the road route adds roughly 50.8 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 9:22 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.77 one way or $57.54 round trip. Estimated CO2 is about 69.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Alamosa and Sunny near Westminster.
Stop Ideas Near Pueblo
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 Pueblo.
Pueblo, Colorado
Colorado Springs, Colorado
La Junta
Flight Path Map
This map shows the direct air route between Alamosa and Westminster. Straight-line distance: 169.62 mi (272.97 km).
#1 Alamosa
City in Colorado, USA
| Population | 9,367 |
| Coordinates | 37.4694500, -105.8700200 |
| Altitude | 2299 |
| 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: 355 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 20m |
| 40 mph (64.37 km/h) | 05h 30m |
| 50 mph (80.47 km/h) | 04h 24m |
| 60 mph (96.56 km/h) | 03h 40m |
| 70 mph (112.65 km/h) | 03h 08m |
| 80 mph (129 km/h) | 02h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $28.77 | $57.54 |
| Mid-grade | $4.08 | $31.77 | $63.55 |
| Premium | $4.39 | $34.16 | $68.32 |
| Diesel | $4.74 | $36.85 | $73.71 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.