How far is Littleton, CO from Longmont, CO?
The driving distance from Littleton, CO to Longmont, CO is about 46.6 miles (75 km), with a travel time of about 00h 56m by car.
- The straight-line flight distance is about 38.5 miles (62 km).
- For a round trip, plan for roughly 01h 53m 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 56m.
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.
City in Colorado
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Littleton and Longmont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Littleton and Longmont.
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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
10 mi · 14 min · South Valley Highway
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9
Keep slight right to continue on North Valley Highway
4.3 mi · 6 min · North Valley Highway
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10
Keep slight right to continue on North Valley Highway
5.3 mi · 6 min · North Valley Highway
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11
Continue on Dwight D. Eisenhower Highway
12.2 mi · 12 min · Dwight D. Eisenhower Highway
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12
Take the exit slight right toward CO 119 West: Firestone Boulevard
996 ft · 19 sec
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13
Keep slight left to continue on CO 119 West: Longmont
88 m · 8 sec
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14
Turn left onto Highway 119
3.1 mi · 4 min · Highway 119
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15
Continue on East Ken Pratt Boulevard
1.6 mi · 2 min · East Ken Pratt Boulevard
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16
Take the exit slight right
69 m · 7 sec
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17
Turn right onto East 3rd Avenue
1.9 mi · 4 min · East 3rd Avenue
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18
Turn right onto Kimbark Street
1084 ft · 55 sec · Kimbark Street
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19
Turn left
57 m · 16 sec
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20
Turn right
33 m · 8 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Littleton and Longmont.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D. Eisenhower Highway
Continue on Dwight D. Eisenhower Highway
12.2 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.
Slight Chance Showers And Thunderstorms leaving Littleton and Chance Showers And Thunderstorms near Longmont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Littleton to Longmont?
The road trip is about 46.6 miles (75 km) and usually takes 00h 56m 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?
Northglenn is a useful midpoint, sitting about 23.3 miles from Littleton and 23.4 miles from Longmont.
How much longer is the road route than the straight-line distance?
The direct path is about 38.5 miles (62 km), while the road route adds roughly 8.1 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 4:36 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.10 one way or $12.20 round trip. Estimated CO2 is about 14.7 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Littleton and Chance Showers And Thunderstorms near Longmont.
Stop Ideas Near Northglenn
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Municipal Court Park
Denver City Council
Lafayette City Hall
Historic Brighton City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Northglenn.
Denver (Bus Station), Colorado
Union Station
Boulder, Colorado
Longmont, Colorado
Flight Path Map
This map shows the direct air route between Littleton and Longmont. Straight-line distance: 38.54 mi (62.02 km).
#1 Littleton
A city in Arapahoe County, Colorado.
| Population | 46,000 |
| Coordinates | 39.6133200, -105.0166500 |
| Altitude | 1631 |
| Country | United States |
#2 Longmont
The most populous city in Boulder County, Colorado.
| Population | 98,445 |
| Coordinates | 40.1672100, -105.1019300 |
| Altitude | 1519 |
| Country | United States |
End: (-105.101861, 40.16721)
Estimated Travel Time
Distance: 75 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 33m |
| 40 mph (64.37 km/h) | 01h 09m |
| 50 mph (80.47 km/h) | 00h 55m |
| 60 mph (96.56 km/h) | 00h 46m |
| 70 mph (112.65 km/h) | 00h 39m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $6.10 | $12.20 |
| Mid-grade | $4.08 | $6.74 | $13.48 |
| Premium | $4.39 | $7.25 | $14.49 |
| Diesel | $4.74 | $7.82 | $15.63 |
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 · May 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.