How far is Fort Lupton, CO from Longmont, CO?

The driving distance from Fort Lupton, CO to Longmont, CO is about 21.5 miles (34.6 km), with a travel time of about 00h 31m by car.

  • The straight-line flight distance is about 16.3 miles (26.2 km).
  • For a round trip, plan for roughly 01h 02m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
21.47 mi
00h 31m
Flight
16.29 mi
26.22 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Fort Lupton.

Flight Distance

Direct air line
16.29 mi
Kilometers
26.22 km
Flight Time
00h 01m

Driving Distance

Road route
21.47 mi
Kilometers
34.56 km
Drive Time
00h 31m

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 31m.

Arrival Snapshot
Arrive in Longmont
Wed, Sep 23, 10:34 AM MDT
Return by in Fort Lupton
Wed, Sep 23, 11:06 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fort Lupton
2026-09-23T10:03
Arrive Longmont
Wed, Sep 23, 10:34 AM MDT
Route Timing
00h 31m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:31 AM to 7:31 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:28 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Fort Lupton
10:00 PM MDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Frederick
CO

Settlement in Weld County, Colorado, United States

From Fort Lupton
10.6 mi
00h 15m
To Longmont
10.8 mi
00h 15m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
79°F
Wednesday

Mostly Cloudy then Slight Chance Showers And Thunderstorms

Starts
Wed, Sep 23 6:00 AM MDT
Wind
2 to 7 mph N
Destination
79°F
Wednesday

Mostly Cloudy then Slight Chance Showers And Thunderstorms

Starts
Wed, Sep 23 6:00 AM MDT
Wind
2 to 6 mph NE

Driving Route Map

The map below follows the saved road route between Fort Lupton and Longmont.

Turn-by-Turn Driving Directions

Step-by-step road directions between Fort Lupton and Longmont.

  1. 1

    Start on Mc Kinley Avenue

    1632 ft · 1 min · Mc Kinley Avenue

  2. 2

    Turn right onto 1st Street

    9 mi · 15 min · 1st Street

  3. 3

    Take the ramp slight right toward I 25 North: Fort Collins

    1736 ft · 43 sec

  4. 4

    Merge slight left onto Dwight D. Eisenhower Highway

    4.5 mi · 4 min · Dwight D. Eisenhower Highway

  5. 5

    Take the exit slight right toward CO 119 West: Firestone Boulevard

    996 ft · 19 sec

  6. 6

    Keep slight left to continue on CO 119 West: Longmont

    88 m · 8 sec

  7. 7

    Turn left onto Highway 119

    3.1 mi · 4 min · Highway 119

  8. 8

    Continue on East Ken Pratt Boulevard

    1.6 mi · 2 min · East Ken Pratt Boulevard

  9. 9

    Take the exit slight right

    69 m · 7 sec

  10. 10

    Turn right onto East 3rd Avenue

    1.9 mi · 4 min · East 3rd Avenue

  11. 11

    Turn right onto Kimbark Street

    1084 ft · 55 sec · Kimbark Street

  12. 12

    Turn left

    57 m · 16 sec

  13. 13

    Turn right

    33 m · 8 sec

  14. 14

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Fort Lupton and Longmont.

OSRM road route
Drive Character

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.

Directions
14 steps
6 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
65.1 / 100 mi
Decision points by distance
Main Roads
1st Street
9.04 mi · 42%
Dwight D. Eisenhower Highway
4.49 mi · 21%
Highway 119
3.14 mi · 15%
East 3rd Avenue
1.92 mi · 9%
East Ken Pratt Boulevard
1.6 mi · 7%
I 25 North
0.33 mi · 2%
Longest Stretch

1st Street

Turn right onto 1st Street

9.04 mi · 00h 15m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 31m
Quick drive
Same-Day Return
01h 02m
Round-trip wheel time
Road vs Air
+5.2 mi
16.3 mi direct line
Halfway Stop
Frederick
00h 15m from Fort Lupton
Leave By
7:28 PM MDT
Flexible departure
Weather Watch

Mostly Cloudy then Slight Chance Showers And Thunderstorms leaving Fort Lupton and Mostly Cloudy then Slight 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 Fort Lupton to Longmont?

The road trip is about 21.5 miles (34.6 km) and usually takes 00h 31m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Frederick is a useful midpoint, sitting about 10.6 miles from Fort Lupton and 10.8 miles from Longmont.

How much longer is the road route than the straight-line distance?

The direct path is about 16.3 miles (26.2 km), while the road route adds roughly 5.2 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:28 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.32 one way or $6.63 round trip. Estimated CO2 is about 6.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Slight Chance Showers And Thunderstorms around Fort Lupton and Mostly Cloudy then Slight Chance Showers And Thunderstorms near Longmont.

Stop Ideas Near Frederick

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Frederick and the surrounding midpoint area.
Historic Brighton City Hall
Scenic stop 11.9 mi away

Historic Brighton City Hall

Brighton , CO
22 S 4th Ave, Brighton, CO 80601
Rating 4.3/5 31 reviews Historical place,City Hall
Broomfield City Council
Meeting point 13.7 mi away

Broomfield City Council

Broomfield , CO
1 Descombes Dr, Broomfield, CO 80020
Rating 3.9/5 63 reviews City government office
Lafayette City Hall
Nearby stop 10.1 mi away

Lafayette City Hall

Lafayette , CO
1290 S Public Rd, Lafayette, CO 80026
Rating 5.0/5 2 reviews City administration
Old Town Hall
Scenic stop 2.2 mi away

Old Town Hall

Frederick , CO
105 Fifth St, Frederick, CO 80530
Rating 4.0/5 2 reviews Historical landmark,History museum

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Frederick.

BUS

Longmont, Colorado

16 mi away
623 Main St.
BUS

Boulder, Colorado

30 mi away
30th & Diagonal Highway
BUS

Denver (Bus Station), Colorado

39 mi away
1055 19th Street
RAIL

Union Station

39 mi away
1701 Wynkoop Street

Flight Path Map

This map shows the direct air route between Fort Lupton and Longmont. Straight-line distance: 16.29 mi (26.22 km).

Fort Lupton

#1 Fort Lupton

City in Weld County, Colorado, United States of America

Population8,666
Coordinates40.0847100, -104.8130300
Altitude1496
CountryUnited States
Longmont

#2 Longmont

The most populous city in Boulder County, Colorado.

Population98,445
Coordinates40.1672100, -105.1019300
Altitude1519
CountryUnited States
Start: Mc Kinley Avenue (-104.81293, 40.08471)
End: (-105.101861, 40.16721)

Estimated Travel Time

Distance: 35 km by road

SpeedTime
30 mph (48.3 km/h)00h 42m
40 mph (64.37 km/h)00h 32m
50 mph (80.47 km/h)00h 25m
60 mph (96.56 km/h)00h 21m
70 mph (112.65 km/h)00h 18m
80 mph (129 km/h)00h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.76 gal
2.87 L · about $3.32
Round trip
$6.63
1.52 gal · 5.74 L
Estimated CO2
6.8 kg one way
Round trip: 13.5 kg / 30 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.37 $3.32 $6.63
Mid-grade $4.77 $3.62 $7.25
Premium $5.10 $3.88 $7.76
Diesel $6.22 $4.73 $9.45

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 · Sep 23, 2026

There is no time difference between Fort Lupton and Longmont. The current time is 10:03:19.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.