How far is Littleton, CO from Boulder, CO?
The driving distance from Littleton, CO to Boulder, CO is about 37.9 miles (61 km), with a travel time of about 00h 47m by car.
- The straight-line flight distance is about 30.8 miles (49.6 km).
- For a round trip, plan for roughly 01h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 47m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Adams County, Colorado.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Littleton and Boulder.
Turn-by-Turn Driving Directions
Step-by-step road directions between Littleton and Boulder.
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1
Start on the route
11 m · 5 sec
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2
Turn right
48 m · 14 sec
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3
Turn right onto South Nevada Street
54 m · 15 sec · South Nevada Street
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4
Turn left onto West Main Street
786 ft · 29 sec · West Main Street
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5
Take the ramp slight left toward US 85
116 m · 10 sec
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6
Merge slight left onto South Santa Fe Drive
6.4 mi · 8 min · South Santa Fe Drive
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7
Take the exit slight right toward I 25 North: Fort Collins
1.4 km · 2 min
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8
Merge slight left onto South Valley Highway
8.5 mi · 12 min · South Valley Highway
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9
Take the exit slight left toward US 36 West: Westminster, Boulder
2930 ft · 52 sec
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10
Merge slight right onto Denver–Boulder Turnpike
2.1 mi · 2 min · Denver–Boulder Turnpike
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11
Keep slight right to continue on Denver–Boulder Turnpike
1.7 mi · 2 min · Denver–Boulder Turnpike
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12
Keep slight right to continue on Denver–Boulder Turnpike
2.3 mi · 3 min · Denver–Boulder Turnpike
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13
Keep slight right to continue on Denver–Boulder Turnpike
1.9 mi · 2 min · Denver–Boulder Turnpike
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14
Keep slight right to continue on Denver–Boulder Turnpike
2.1 mi · 2 min · Denver–Boulder Turnpike
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15
Keep slight right to continue on Denver–Boulder Turnpike
2.9 mi · 3 min · Denver–Boulder Turnpike
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16
Keep slight right to continue on Denver–Boulder Turnpike
2.4 mi · 3 min · Denver–Boulder Turnpike
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17
Keep slight right to continue on Denver–Boulder Turnpike
2.2 mi · 3 min · Denver–Boulder Turnpike
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18
Keep slight left to continue on Denver–Boulder Turnpike
2.3 mi · 3 min · Denver–Boulder Turnpike
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19
Continue on 28th Street
1.2 km · 2 min · 28th Street
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20
Turn left onto Arapahoe Avenue
1 km · 2 min · Arapahoe Avenue
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21
Turn right onto 19th Street
44 m · 11 sec · 19th Street
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22
Turn left
27 m · 5 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Littleton and Boulder.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
South Valley Highway
Merge slight left onto South Valley Highway
8.55 mi · 00h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Littleton and Sunny near Boulder.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Littleton to Boulder?
The road trip is about 37.9 miles (61 km) and usually takes 00h 47m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Westminster is a useful midpoint, sitting about 18.9 miles from Littleton and 19 miles from Boulder.
How much longer is the road route than the straight-line distance?
The direct path is about 30.8 miles (49.6 km), while the road route adds roughly 7.1 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:56 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.96 one way or $9.91 round trip. Estimated CO2 is about 11.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Littleton and Sunny near Boulder.
Stop Ideas Near Westminster
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Fairplay Park
Denver City Council
Lafayette City Hall
Municipal Court Park
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Westminster.
Denver (Bus Station), Colorado
Union Station
Boulder, Colorado
Longmont, Colorado
Flight Path Map
This map shows the direct air route between Littleton and Boulder. Straight-line distance: 30.85 mi (49.65 km).
#1 Littleton
A city in Arapahoe County, Colorado.
| Population | 46,000 |
| Coordinates | 39.6133200, -105.0166500 |
| Altitude | 1631 |
| Country | United States |
#2 Boulder
The most populous city in Boulder County, Colorado.
| Population | 107,645 |
| Coordinates | 40.0149900, -105.2705500 |
| Altitude | 1624 |
| Country | United States |
End: (-105.27055, 40.014996)
Estimated Travel Time
Distance: 61 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 15m |
| 40 mph (64.37 km/h) | 00h 56m |
| 50 mph (80.47 km/h) | 00h 45m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $4.96 | $9.91 |
| Mid-grade | $4.08 | $5.47 | $10.95 |
| Premium | $4.39 | $5.88 | $11.77 |
| Diesel | $4.74 | $6.35 | $12.70 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.