How far is Greeley, CO from Alamosa, CO?
The driving distance from Greeley, CO to Alamosa, CO is about 297 miles (478 km), with a travel time of about 05h 32m by car.
- The straight-line flight distance is about 213.4 miles (343.4 km).
- For a round trip, plan for roughly 11h 05m 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 05h 32m.
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.
City in Colorado, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Greeley and Alamosa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greeley and Alamosa.
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1
Start on 19th Avenue
80 m · 19 sec · 19th Avenue
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2
Turn left onto 9th Street
602 ft · 17 sec · 9th Street
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3
Turn left onto 21st Avenue
151 m · 29 sec · 21st Avenue
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4
Turn left onto 10th Street
1.1 mi · 2 min · 10th Street
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5
Turn right onto 8th Avenue
1.4 km · 2 min · 8th Avenue
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6
Turn left onto 18th Street
2.7 mi · 4 min · 18th Street
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7
Keep slight left to continue on East 18th Street
825 ft · 13 sec · East 18th Street
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8
Continue on East 18th Street
1.4 km · 1 min · East 18th Street
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9
Turn right onto County Road 49
21.9 mi · 26 min · County Road 49
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10
Take the ramp right toward I 76 West
901 ft · 22 sec
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11
Merge slight left
15.8 mi · 16 min
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12
Take the exit slight right toward E470 Toll South: Limon
1.6 km · 2 min
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13
Merge slight left onto E-470
35.1 mi · 35 min · E-470
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14
Take the exit slight right toward I 25: Denver, Colorado Springs
1106 ft · 27 sec
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15
Keep slight left to continue on I 25 South: Colorado Springs
1.2 km · 1 min
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16
Merge slight left
45.7 mi · 47 min
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17
Continue on Monument Valley Freeway
8.8 mi · 10 min · Monument Valley Freeway
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18
Continue on Ronald Reagan Highway
915 ft · 12 sec · Ronald Reagan Highway
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19
Keep slight left to continue on Ronald Reagan Highway
22.7 mi · 23 min · Ronald Reagan Highway
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20
Continue on John F. Kennedy Memorial Highway
12.9 mi · 13 min · John F. Kennedy Memorial Highway
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21
Continue on North Freeway
2.6 mi · 3 min · North Freeway
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22
Take the exit slight right toward 29th Street
2351 ft · 33 sec
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23
Merge slight left onto North Freeway
1 mi · 1 min · North Freeway
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24
Take the exit slight right toward 13th Street
792 ft · 12 sec
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25
Continue straight
1189 ft · 18 sec
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26
Merge slight left onto North Freeway
6.1 mi · 8 min · North Freeway
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27
Continue on John F. Kennedy Memorial Highway
40.5 mi · 41 min · John F. Kennedy Memorial Highway
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28
Take the exit slight right toward South I 25 Business, US 160 West: Walsenburg, Alamosa
2.8 mi · 5 min
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29
Turn right onto West 7th Street
71.4 mi · 1 hr 27 min · West 7th Street
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30
Continue on Broadway Avenue
1420 ft · 39 sec · Broadway Avenue
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31
Continue on Denver Avenue
159 m · 18 sec · Denver Avenue
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32
Turn right onto Fourth Street
2320 ft · 1 min · Fourth Street
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33
Turn right onto Ross Avenue
20 m · 2 sec · Ross Avenue
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34
Arrive at your destination
0 m · 1 sec · Ross Avenue
Car Route Details
A richer read on the saved driving route between Greeley and Alamosa.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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.
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 Greeley and Sunny near Alamosa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greeley to Alamosa?
The road trip is about 297 miles (478 km) and usually takes 05h 32m 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?
Fountain is a useful midpoint, sitting about 148.6 miles from Greeley and 148.4 miles from Alamosa.
How much longer is the road route than the straight-line distance?
The direct path is about 213.4 miles (343.4 km), while the road route adds roughly 83.6 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 5:54 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.76 one way or $77.51 round trip. Estimated CO2 is about 93.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Greeley and Sunny near Alamosa.
Stop Ideas Near Fountain
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 Fountain.
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Flight Path Map
This map shows the direct air route between Greeley and Alamosa. Straight-line distance: 213.4 mi (343.44 km).
#1 Greeley
The third most populous city in Weld County, Colorado.
| Population | 108,958 |
| Coordinates | 40.4233100, -104.7091300 |
| Altitude | 1425 |
| Country | United States |
#2 Alamosa
City in Colorado, USA
| Population | 9,367 |
| Coordinates | 37.4694500, -105.8700200 |
| Altitude | 2299 |
| Country | United States |
End: Alamosa (-105.87002, 37.46945)
Estimated Travel Time
Distance: 478 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 53m |
| 40 mph (64.37 km/h) | 07h 25m |
| 50 mph (80.47 km/h) | 05h 56m |
| 60 mph (96.56 km/h) | 04h 57m |
| 70 mph (112.65 km/h) | 04h 14m |
| 80 mph (129 km/h) | 03h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $38.76 | $77.51 |
| Mid-grade | $4.08 | $42.80 | $85.60 |
| Premium | $4.39 | $46.02 | $92.04 |
| Diesel | $4.74 | $49.64 | $99.29 |
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.