How far is Mead, WA from Longmont, CO?

The driving distance from Mead, WA to Longmont, CO is about 1071.4 miles (1724.3 km), with a travel time of about 17h 55m by car.

  • The straight-line flight distance is about 802.7 miles (1291.8 km).
  • For a round trip, plan for roughly 35h 51m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
1071.44 mi
17h 55m
Flight
802.67 mi
1291.78 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Mead.

Flight Distance

Direct air line
802.67 mi
Kilometers
1291.78 km
Flight Time
01h 36m

Driving Distance

Road route
1071.44 mi
Kilometers
1724.32 km
Drive Time
17h 55m

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 17h 55m.

Arrival Snapshot
Arrive in Longmont
Fri, Oct 16, 6:18 AM MDT
Return by in Mead
Fri, Oct 16, 11:13 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mead
2026-10-15T11:22
Arrive Longmont
Fri, Oct 16, 5:18 AM PDT
Route Timing
17h 55m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
12:56 AM to 2:26 AM MDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
12:08 AM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Mead
8:00 PM PDT
Overnight-style route

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.

Mid-route stop
Billings
MT

The most populous city in Montana.

From Mead
532 mi
08h 57m
To Longmont
539.4 mi
08h 57m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Thursday

Widespread Frost then Sunny

Starts
Thu, Oct 15 6:00 AM PDT
Wind
2 mph NE
Destination
52°F
Thursday

Light Rain Likely

Starts
Thu, Oct 15 6:00 AM MDT
Wind
5 to 17 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Mead and Longmont.

  1. 1

    Start on North Market Street

    105 m · 16 sec · North Market Street

  2. 2

    Turn left onto East Peone Foothills Road

    952 ft · 23 sec · East Peone Foothills Road

  3. 3

    Continue on East Peone Road

    2.2 mi · 4 min · East Peone Road

  4. 4

    Turn right onto North Bruce Road

    1.2 km · 1 min · North Bruce Road

  5. 5

    Continue on North Argonne Road

    6.2 mi · 12 min · North Argonne Road

  6. 6

    Take the ramp slight left

    1731 ft · 45 sec

  7. 7

    Merge slight left onto Spokane Valley Freeway

    305.4 mi · 5 hr 10 min · Spokane Valley Freeway

  8. 8

    Keep slight right

    110.8 mi · 1 hr 51 min

  9. 9

    Continue straight

    6.9 mi · 6 min

  10. 10

    Continue straight

    113 mi · 1 hr 53 min

  11. 11

    Continue straight

    3.1 mi · 4 min

  12. 12

    Keep slight right to continue on I 90 East: Sheridan

    108.2 mi · 1 hr 43 min

  13. 13

    Continue straight

    47.8 mi · 48 min

  14. 14

    Take the exit slight right toward I 25 South, US 87 South: Casper

    359.4 mi · 5 hr 51 min

  15. 15

    Take the exit slight right toward CO 119 West

    1528 ft · 29 sec

  16. 16

    Turn right onto Highway 119

    3 mi · 4 min · Highway 119

  17. 17

    Continue on East Ken Pratt Boulevard

    1.6 mi · 2 min · East Ken Pratt Boulevard

  18. 18

    Take the exit slight right

    69 m · 7 sec

  19. 19

    Turn right onto East 3rd Avenue

    1.9 mi · 4 min · East 3rd Avenue

  20. 20

    Turn right onto Kimbark Street

    1084 ft · 55 sec · Kimbark Street

  21. 21

    Turn left

    57 m · 16 sec

  22. 22

    Turn right

    33 m · 8 sec

  23. 23

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
23 steps
7 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
2.1 / 100 mi
Decision points by distance
Main Roads
Spokane Valley Freeway
539 mi · 50%
I 25 South
359 mi · 34%
I 90 East
156 mi · 15%
North Argonne Road
6.49 mi · 1%
Highway 119
3.03 mi
East Peone Road
2.22 mi
Longest Stretch

I 25 South

Take the exit slight right toward I 25 South, US 87 South: Casper

359 mi · 05h 51m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
17h 55m
Overnight route
Same-Day Return
35h 52m
Round-trip wheel time
Road vs Air
+268.7 mi
802.7 mi direct line
Halfway Stop
Billings
08h 57m from Mead
Leave By
12:08 AM PDT
Overnight-style route
Weather Watch

Widespread Frost then Sunny leaving Mead and Light Rain Likely near Longmont.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Mead to Longmont?

The road trip is about 1071.4 miles (1724.3 km) and usually takes 17h 55m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Billings is a useful midpoint, sitting about 532 miles from Mead and 539.4 miles from Longmont.

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

The direct path is about 802.7 miles (1291.8 km), while the road route adds roughly 268.7 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 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $205.50 one way or $410.99 round trip. Estimated CO2 is about 336 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Mead and Longmont, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Widespread Frost then Sunny around Mead and Light Rain Likely near Longmont.

Stop Ideas Near Billings

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

Mid-route Guidance
Local place coverage is thin around Billings, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

BUS

Billings, MT

2501 1st Avenue North

Flight Path Map

This map shows the direct air route between Mead and Longmont. Straight-line distance: 802.67 mi (1291.78 km).

Photo coming soon

#1 Mead

Located immediately north of the city of Spokane at an elevation of 1,906 feet, this Spokane County community serves as a transition zone between suburban residential areas and rural farmland.

Population0
Coordinates47.7673900, -117.3549400
Altitude581
CountryUnited States
Longmont

#2 Longmont

The most populous city in Boulder County, Colorado.

Population98,445
Coordinates40.1672100, -105.1019300
Altitude1519
CountryUnited States
Start: Mead (-117.35494, 47.76739)
End: Longmont (-105.10193, 40.16721)

Estimated Travel Time

Distance: 1724 km by road

SpeedTime
30 mph (48.3 km/h)35h 42m
40 mph (64.37 km/h)26h 47m
50 mph (80.47 km/h)21h 25m
60 mph (96.56 km/h)17h 51m
70 mph (112.65 km/h)15h 18m
80 mph (129 km/h)13h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
37.81 gal
143.12 L · about $205.50
Round trip
$410.99
75.62 gal · 286.24 L
Estimated CO2
336 kg one way
Round trip: 672 kg / 1482 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.44 $205.50 $410.99
Mid-grade $5.72 $216.24 $432.47
Premium $5.98 $225.99 $451.98
Diesel $7.29 $275.71 $551.42

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 Washington · Oct 15, 2026

Please keep in mind that there is a 1 hour time gap between Mead, WA and Longmont, CO. The current time in Mead is 11:22:15, although it is 12:22:15 in Longmont.

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.