How far is Alamosa, CO from Centennial, CO?

The driving distance from Alamosa, CO to Centennial, CO is about 219.4 miles (353.1 km), with a travel time of about 03h 31m by car.

  • The straight-line flight distance is about 155.3 miles (250 km).
  • For a round trip, plan for roughly 07h 03m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
219.41 mi
03h 31m
Flight
155.34 mi
249.99 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Alamosa.

Flight Distance

Direct air line
155.34 mi
Kilometers
249.99 km
Flight Time
00h 18m

Driving Distance

Road route
219.41 mi
Kilometers
353.1 km
Drive Time
03h 31m

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 31m.

Arrival Snapshot
Arrive in Centennial
Sun, Apr 19, 6:59 AM MDT
Return by in Alamosa
Sun, Apr 19, 10:31 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Alamosa
2026-04-19T03:27
Arrive Centennial
Sun, Apr 19, 6:59 AM MDT
Route Timing
03h 31m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
9:32 AM to 11:32 AM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:56 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Alamosa
9:00 PM MDT
Early departure recommended

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.

Mid-route stop
Pueblo
CO

The most populous city in Pueblo County, Colorado.

From Alamosa
109.6 mi
01h 45m
To Centennial
109.8 mi
01h 45m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM MDT
Wind
5 to 10 mph S
Destination
69°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM MDT
Wind
6 to 9 mph SSE

Driving Route Map

The map below follows the saved road route between Alamosa and Centennial.

Turn-by-Turn Driving Directions

Step-by-step road directions between Alamosa and Centennial.

  1. 1

    Start on Ross Avenue

    20 m · 7 sec · Ross Avenue

  2. 2

    Turn left onto Fourth Street

    2320 ft · 1 min · Fourth Street

  3. 3

    At the end of the road, turn left onto Denver Avenue

    159 m · 18 sec · Denver Avenue

  4. 4

    Continue on Broadway Avenue

    1420 ft · 41 sec · Broadway Avenue

  5. 5

    Continue on Santa Fe Avenue

    71.4 mi · 1 hr 28 min · Santa Fe Avenue

  6. 6

    Turn left onto Main Street

    1938 ft · 44 sec · Main Street

  7. 7

    Continue on Main Street

    64 m · 4 sec · Main Street

  8. 8

    Continue on Walsen Avenue

    1.1 km · 1 min · Walsen Avenue

  9. 9

    Continue on US Highway 85/87

    1.6 mi · 2 min · US Highway 85/87

  10. 10

    Take the ramp straight toward I 25 North: Pueblo

    86.9 mi · 1 hr 31 min

  11. 11

    Continue on Monument Valley Freeway

    8.5 mi · 10 min · Monument Valley Freeway

  12. 12

    Continue on Ronald Reagan Highway

    47.8 mi · 50 min · Ronald Reagan Highway

  13. 13

    Take the exit slight right toward Dry Creek Road

    1717 ft · 36 sec

  14. 14

    Turn left onto East Dry Creek Road

    1583 ft · 36 sec · East Dry Creek Road

  15. 15

    Turn left onto South Chester Street

    552 ft · 31 sec · South Chester Street

  16. 16

    Turn left onto East Panorama Circle

    720 ft · 40 sec · East Panorama Circle

  17. 17

    Turn left

    41 m · 11 sec

  18. 18

    Turn right

    144 m · 35 sec

  19. 19

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Alamosa and Centennial.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
19 steps
8 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
8.7 / 100 mi
Decision points by distance
Main Roads
I 25 North
86.9 mi · 40%
Santa Fe Avenue
71.4 mi · 33%
Ronald Reagan Highway
47.8 mi · 22%
Monument Valley Freeway
8.53 mi · 4%
US Highway 85/87
1.61 mi · 1%
Walsen Avenue
0.68 mi
Longest Stretch

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.

Trip Read

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.

Drive Time
03h 31m
Long day trip
Same-Day Return
07h 04m
Round-trip wheel time
Road vs Air
+64.1 mi
155.3 mi direct line
Halfway Stop
Pueblo
01h 45m from Alamosa
Leave By
9:56 AM MDT
Early departure recommended
Weather Watch

Sunny leaving Alamosa and Sunny near Centennial.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Alamosa to Centennial?

The road trip is about 219.4 miles (353.1 km) and usually takes 03h 31m 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 109.6 miles from Alamosa and 109.8 miles from Centennial.

How much longer is the road route than the straight-line distance?

The direct path is about 155.3 miles (250 km), while the road route adds roughly 64.1 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 9:56 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $28.62 one way or $57.25 round trip. Estimated CO2 is about 68.8 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Alamosa and Sunny near Centennial.

Stop Ideas Near Pueblo

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Pueblo, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Pueblo.

BUS

Pueblo, Colorado

6 mi away
1080 Chinook Lane
BUS

Colorado Springs, Colorado

67 mi away
120 South Weber Street
RAIL

La Junta

98 mi away
1 West First St.

Flight Path Map

This map shows the direct air route between Alamosa and Centennial. Straight-line distance: 155.34 mi (249.99 km).

Alamosa

#1 Alamosa

City in Colorado, USA

Population9,367
Coordinates37.4694500, -105.8700200
Altitude2299
CountryUnited States
Centennial

#2 Centennial

The second most populous city in Arapahoe County, Colorado.

Population110,156
Coordinates39.5791600, -104.8769200
Altitude1777
CountryUnited States
Start: Ross Avenue (-105.870154, 37.469452)
End: (-104.877122, 39.579121)

Estimated Travel Time

Distance: 353 km by road

SpeedTime
30 mph (48.3 km/h)07h 18m
40 mph (64.37 km/h)05h 29m
50 mph (80.47 km/h)04h 23m
60 mph (96.56 km/h)03h 39m
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.

One-way fuel
7.74 gal
29.31 L · about $28.62
Round trip
$57.25
15.48 gal · 58.62 L
Estimated CO2
68.8 kg one way
Round trip: 137.6 kg / 303 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $28.62 $57.25
Mid-grade $4.08 $31.61 $63.22
Premium $4.39 $33.99 $67.97
Diesel $4.74 $36.66 $73.33

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

There is no time difference between Alamosa and Centennial. The current time is 03:27:27.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.