How far is Lakewood, CO from Longmont, CO?
The driving distance from Lakewood, CO to Longmont, CO is about 43.1 miles (69.3 km), with a travel time of about 00h 48m by car.
- The straight-line flight distance is about 32 miles (51.5 km).
- For a round trip, plan for roughly 01h 36m 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 48m.
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.
A city in Broomfield County, Colorado.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Lakewood and Longmont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lakewood and Longmont.
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1
Start on South Wadsworth Boulevard
5.4 mi · 11 min · South Wadsworth Boulevard
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2
Take the ramp slight right toward I 70 East, I 76 East: Denver, Fort Morgan
1455 ft · 34 sec
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3
Keep slight left to continue on I 76 East: Fort Morgan
2906 ft · 1 min
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4
Merge slight left onto Heartland Expressway
1 km · 45 sec · Heartland Expressway
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5
Take the exit slight right toward CO 95: Sheridan Boulevard
1606 ft · 40 sec
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6
Turn left onto Sheridan Boulevard
4.6 mi · 8 min · Sheridan Boulevard
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7
Turn left onto US 36 West: Boulder
1765 ft · 37 sec
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8
Keep slight left to continue on US 36 West
876 ft · 23 sec
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9
Merge slight left onto Denver–Boulder Turnpike
1.5 km · 1 min · Denver–Boulder Turnpike
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10
Keep slight right to continue on Denver–Boulder Turnpike
1.9 mi · 2 min · Denver–Boulder Turnpike
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11
Keep slight right to continue on Denver–Boulder Turnpike
1.2 km · 52 sec · Denver–Boulder Turnpike
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12
Take the exit slight right toward CO 121: Wadsworth Parkway
1951 ft · 42 sec
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13
Turn right
1257 ft · 30 sec
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14
Continue straight
5.7 mi · 8 min
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15
Continue straight
1106 ft · 19 sec
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16
Continue straight
11.5 mi · 16 min
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17
Turn right onto 5th Avenue
109 m · 20 sec · 5th Avenue
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18
Turn right onto Kimbark Street
52 m · 9 sec · Kimbark Street
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19
Turn right
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 Lakewood and Longmont.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
CO 121
Continue straight
11.5 mi · 00h 16m
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 Lakewood and Sunny near Longmont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lakewood to Longmont?
The road trip is about 43.1 miles (69.3 km) and usually takes 00h 48m 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?
Broomfield is a useful midpoint, sitting about 17 miles from Lakewood and 26.1 miles from Longmont.
How much longer is the road route than the straight-line distance?
The direct path is about 32 miles (51.5 km), while the road route adds roughly 11.1 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 4:54 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.62 one way or $11.24 round trip. Estimated CO2 is about 13.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Lakewood and Sunny near Longmont.
Stop Ideas Near Broomfield
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Municipal Court Park
Denver City Council
Lafayette City Hall
Old Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Broomfield.
Union Station
Denver (Bus Station), Colorado
Boulder, Colorado
Longmont, Colorado
Flight Path Map
This map shows the direct air route between Lakewood and Longmont. Straight-line distance: 31.98 mi (51.46 km).
#1 Lakewood
The fifth most populous city in Colorado.
| Population | 157,429 |
| Coordinates | 39.7047100, -105.0813700 |
| Altitude | 1682 |
| 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: 69 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 26m |
| 40 mph (64.37 km/h) | 01h 04m |
| 50 mph (80.47 km/h) | 00h 51m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $5.62 | $11.24 |
| Mid-grade | $4.08 | $6.21 | $12.42 |
| Premium | $4.39 | $6.67 | $13.35 |
| Diesel | $4.74 | $7.20 | $14.40 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.