How far is Longmont, CO from Mead, WA?

The driving distance from Longmont, CO to Mead, WA is about 1071.7 miles (1724.8 km), with a travel time of about 17h 59m by car.

  • The straight-line flight distance is about 802.7 miles (1291.8 km).
  • For a round trip, plan for roughly 35h 59m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
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
1071.75 mi
17h 59m
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 Longmont.

Flight Distance

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

Driving Distance

Road route
1071.75 mi
Kilometers
1724.81 km
Drive Time
17h 59m

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 59m.

Arrival Snapshot
Arrive in Mead
Fri, Oct 16, 5:41 AM PDT
Return by in Longmont
Sat, Oct 17, 12:41 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Longmont
2026-10-15T12:42
Arrive Mead
Fri, Oct 16, 6:41 AM MDT
Route Timing
17h 59m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
11:00 PM to 12:30 AM PDT

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

Leave by
12:00 AM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Longmont
8:00 PM MDT
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 Longmont
535.3 mi
08h 59m
To Mead
536.4 mi
08h 59m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Thursday

Light Rain Likely

Starts
Thu, Oct 15 6:00 AM MDT
Wind
5 to 17 mph N
Destination
67°F
Thursday

Widespread Frost then Sunny

Starts
Thu, Oct 15 6:00 AM PDT
Wind
2 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    19 m · 7 sec

  2. 2

    Turn right onto 5th Avenue

    1025 ft · 47 sec · 5th Avenue

  3. 3

    Turn right onto Collyer Street

    1255 ft · 42 sec · Collyer Street

  4. 4

    Turn left onto 3rd Avenue

    1.8 mi · 3 min · 3rd Avenue

  5. 5

    Turn left onto East Ken Pratt Boulevard

    1.6 mi · 2 min · East Ken Pratt Boulevard

  6. 6

    Continue on Highway 119

    3.1 mi · 4 min · Highway 119

  7. 7

    Turn left onto I 25 North

    1400 ft · 34 sec

  8. 8

    Merge slight left onto Dwight D. Eisenhower Highway

    358.8 mi · 5 hr 50 min · Dwight D. Eisenhower Highway

  9. 9

    Keep slight left to continue on I 90 West, US 87 North: Sheridan

    160.1 mi · 2 hr 39 min

  10. 10

    Continue straight

    112.8 mi · 1 hr 52 min

  11. 11

    Continue straight

    7 mi · 7 min

  12. 12

    Continue straight

    113.4 mi · 1 hr 54 min

  13. 13

    Keep slight left to continue on I 90 West: Missoula

    302.9 mi · 5 hr 9 min

  14. 14

    Take the exit slight right toward Millwood

    1239 ft · 33 sec

  15. 15

    Turn right onto North Mullan Road

    144 m · 12 sec · North Mullan Road

  16. 16

    Continue on North Argonne Road

    6 mi · 12 min · North Argonne Road

  17. 17

    Continue on North Bruce Road

    1.2 km · 1 min · North Bruce Road

  18. 18

    Turn left onto East Peone Road

    2.2 mi · 4 min · East Peone Road

  19. 19

    Continue on East Peone Foothills Road

    952 ft · 26 sec · East Peone Foothills Road

  20. 20

    Turn right onto North Market Street

    105 m · 10 sec · North Market Street

  21. 21

    Arrive at your destination

    0 m · 1 sec · North Market Street

Car Route Details

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

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
21 steps
8 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
2 / 100 mi
Decision points by distance
Main Roads
I 90 West
696 mi · 65%
Dwight D. Eisenhower Highway
359 mi · 33%
North Argonne Road
5.99 mi · 1%
Highway 119
3.13 mi
East Peone Road
2.22 mi
3rd Avenue
1.78 mi
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

359 mi · 05h 50m

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 59m
Overnight route
Same-Day Return
36h 00m
Round-trip wheel time
Road vs Air
+269 mi
802.7 mi direct line
Halfway Stop
Billings
08h 59m from Longmont
Leave By
12:00 AM MDT
Overnight-style route
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 1071.7 miles (1724.8 km) and usually takes 17h 59m 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 535.3 miles from Longmont and 536.4 miles from Mead.

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 269 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 MDT. 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 $163.57 one way or $327.14 round trip. Estimated CO2 is about 336.1 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

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

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 Longmont and Mead. Straight-line distance: 802.67 mi (1291.78 km).

Longmont

#1 Longmont

The most populous city in Boulder County, Colorado.

Population98,445
Coordinates40.1672100, -105.1019300
Altitude1519
CountryUnited States
Photo coming soon

#2 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
Start: Longmont (-105.10193, 40.16721)
End: Mead (-117.35494, 47.76739)

Estimated Travel Time

Distance: 1725 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 26m
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
37.82 gal
143.16 L · about $163.57
Round trip
$327.14
75.64 gal · 286.32 L
Estimated CO2
336.1 kg one way
Round trip: 672.2 kg / 1482 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.33 $163.57 $327.14
Mid-grade $4.72 $178.47 $356.95
Premium $5.06 $191.48 $382.97
Diesel $6.52 $246.47 $492.95

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 · Oct 15, 2026

Please keep in mind that there is a 1 hour time gap between Longmont, CO and Mead, WA. The current time in Longmont is 12:42:09, although it is 11:42:09 in Mead.

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.