How far is Centennial, CO from Alamosa, CO?

The driving distance from Centennial, CO to Alamosa, CO is about 219 miles (352.5 km), with a travel time of about 04h 06m by car.

  • The straight-line flight distance is about 155.3 miles (250 km).
  • For a round trip, plan for roughly 08h 12m 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
219.01 mi
04h 06m
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 Centennial.

Flight Distance

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

Driving Distance

Road route
219.01 mi
Kilometers
352.46 km
Drive Time
04h 06m

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 06m.

Arrival Snapshot
Arrive in Alamosa
Sat, Apr 18, 5:24 AM MDT
Return by in Centennial
Sat, Apr 18, 9:31 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Centennial
2026-04-18T01:18
Arrive Alamosa
Sat, Apr 18, 5:24 AM MDT
Route Timing
04h 06m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:06 AM to 12:06 PM MDT

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

Leave by
8:48 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Centennial
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 Centennial
109.5 mi
02h 03m
To Alamosa
109.5 mi
02h 03m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Saturday

Slight Chance Snow Showers

Starts
Sat, Apr 18 6:00 AM MDT
Wind
6 to 9 mph WNW
Destination
56°F
Saturday

Sunny

Starts
Sat, Apr 18 6:00 AM MDT
Wind
5 to 15 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    151 m · 41 sec

  2. 2

    Turn left

    36 m · 11 sec

  3. 3

    Turn right onto East Panorama Circle

    536 ft · 23 sec · East Panorama Circle

  4. 4

    Turn right onto South Chester Street

    117 m · 15 sec · South Chester Street

  5. 5

    Turn right onto East Dry Creek Road

    758 ft · 21 sec · East Dry Creek Road

  6. 6

    Take the ramp slight right toward I 25 South

    1814 ft · 46 sec

  7. 7

    Merge slight left onto South Valley Highway

    47.6 mi · 50 min · South Valley Highway

  8. 8

    Continue on Monument Valley Freeway

    8.8 mi · 10 min · Monument Valley Freeway

  9. 9

    Continue on Ronald Reagan Highway

    915 ft · 12 sec · Ronald Reagan Highway

  10. 10

    Keep slight left to continue on Ronald Reagan Highway

    22.7 mi · 23 min · Ronald Reagan Highway

  11. 11

    Continue on John F. Kennedy Memorial Highway

    12.9 mi · 13 min · John F. Kennedy Memorial Highway

  12. 12

    Continue on North Freeway

    2.6 mi · 3 min · North Freeway

  13. 13

    Take the exit slight right toward 29th Street

    2351 ft · 33 sec

  14. 14

    Merge slight left onto North Freeway

    1 mi · 1 min · North Freeway

  15. 15

    Take the exit slight right toward 13th Street

    792 ft · 12 sec

  16. 16

    Continue straight

    1189 ft · 18 sec

  17. 17

    Merge slight left onto North Freeway

    6.1 mi · 8 min · North Freeway

  18. 18

    Continue on John F. Kennedy Memorial Highway

    40.5 mi · 41 min · John F. Kennedy Memorial Highway

  19. 19

    Take the exit slight right toward South I 25 Business, US 160 West: Walsenburg, Alamosa

    2.8 mi · 5 min

  20. 20

    Turn right onto West 7th Street

    71.4 mi · 1 hr 27 min · West 7th Street

  21. 21

    Continue on Broadway Avenue

    1420 ft · 39 sec · Broadway Avenue

  22. 22

    Continue on Denver Avenue

    159 m · 18 sec · Denver Avenue

  23. 23

    Turn right onto Fourth Street

    2320 ft · 1 min · Fourth Street

  24. 24

    Turn right onto Ross Avenue

    20 m · 2 sec · Ross Avenue

  25. 25

    Arrive at your destination

    0 m · 1 sec · Ross Avenue

Car Route Details

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

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
25 steps
7 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
11.4 / 100 mi
Decision points by distance
Main Roads
West 7th Street
71.4 mi · 33%
John F. Kennedy Memorial Highway
53.4 mi · 24%
South Valley Highway
47.6 mi · 22%
Ronald Reagan Highway
22.9 mi · 10%
North Freeway
9.65 mi · 4%
Monument Valley Freeway
8.76 mi · 4%
Longest Stretch

West 7th Street

Turn right onto West 7th Street

71.4 mi · 01h 27m

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
04h 06m
Long day trip
Same-Day Return
08h 12m
Round-trip wheel time
Road vs Air
+63.7 mi
155.3 mi direct line
Halfway Stop
Pueblo
02h 03m from Centennial
Leave By
8:48 AM MDT
Early departure recommended
Weather Watch

Slight Chance Snow Showers leaving Centennial and Sunny near Alamosa.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 219 miles (352.5 km) and usually takes 04h 06m 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 109.5 miles from Centennial and 109.5 miles from Alamosa.

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 63.7 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 8:48 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $28.59 one way or $57.17 round trip. Estimated CO2 is about 68.7 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Snow Showers around Centennial and Sunny near Alamosa.

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 Centennial and Alamosa. Straight-line distance: 155.34 mi (249.99 km).

Centennial

#1 Centennial

The second most populous city in Arapahoe County, Colorado.

Population110,156
Coordinates39.5791600, -104.8769200
Altitude1777
CountryUnited States
Alamosa

#2 Alamosa

City in Colorado, USA

Population9,367
Coordinates37.4694500, -105.8700200
Altitude2299
CountryUnited States
Start: Centennial (-104.87692, 39.57916)
End: Alamosa (-105.87002, 37.46945)

Estimated Travel Time

Distance: 352 km by road

SpeedTime
30 mph (48.3 km/h)07h 17m
40 mph (64.37 km/h)05h 28m
50 mph (80.47 km/h)04h 22m
60 mph (96.56 km/h)03h 39m
70 mph (112.65 km/h)03h 07m
80 mph (129 km/h)02h 43m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.73 gal
29.25 L · about $28.59
Round trip
$57.17
15.46 gal · 58.5 L
Estimated CO2
68.7 kg one way
Round trip: 137.4 kg / 303 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $28.59 $57.17
Mid-grade $4.08 $31.57 $63.14
Premium $4.39 $33.94 $67.88
Diesel $4.74 $36.62 $73.23

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

There is no time difference between Centennial and Alamosa. The current time is 01:18:36.

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.