How far is Mountlake Terrace, WA from Spokane Valley, WA?

The driving distance from Mountlake Terrace, WA to Spokane Valley, WA is about 301.1 miles (484.5 km), with a travel time of about 04h 44m by car.

  • The straight-line flight distance is about 235.7 miles (379.3 km).
  • For a round trip, plan for roughly 09h 29m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
301.07 mi
04h 44m
Flight
235.68 mi
379.29 km direct

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

Learn Distance

Choose another destination from Mountlake Terrace.

Flight Distance

Direct air line
235.68 mi
Kilometers
379.29 km
Flight Time
00h 28m

Driving Distance

Road route
301.07 mi
Kilometers
484.53 km
Drive Time
04h 44m

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 04h 44m.

Arrival Snapshot
Arrive in Spokane Valley
Sun, Apr 19, 3:18 AM PDT
Return by in Mountlake Terrace
Sun, Apr 19, 8:03 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mountlake Terrace
2026-04-18T22:34
Arrive Spokane Valley
Sun, Apr 19, 3:18 AM PDT
Route Timing
04h 44m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
10:45 AM to 12:45 PM PDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:30 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Mountlake Terrace
9:00 PM PDT
Early departure recommended

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
George
WA

City in Washington, USA

From Mountlake Terrace
150.4 mi
02h 22m
To Spokane Valley
150.6 mi
02h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
62°F
Saturday

Mostly Cloudy then Slight Chance Light Rain

Starts
Sat, Apr 18 6:00 AM PDT
Wind
1 to 5 mph SSE
Destination
62°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
2 to 7 mph SE

Driving Route Map

The map below follows the saved road route between Mountlake Terrace and Spokane Valley.

Turn-by-Turn Driving Directions

Step-by-step road directions between Mountlake Terrace and Spokane Valley.

  1. 1

    Start on the route

    22 m · 8 sec

  2. 2

    Turn right onto 56th Avenue West

    1209 ft · 39 sec · 56th Avenue West

  3. 3

    Turn right onto 236th Street Southwest

    2230 ft · 1 min · 236th Street Southwest

  4. 4

    Take the ramp left toward I 5 South: Seattle

    1490 ft · 36 sec

  5. 5

    Keep slight left to continue on I 5 South: Seattle

    1 km · 1 min

  6. 6

    Merge slight left

    11.8 mi · 15 min

  7. 7

    Take the exit slight right toward Bellevue, Spokane

    1.2 km · 1 min

  8. 8

    Keep slight left to continue on I 90 East, I 5 South: Bellevue, Portland

    45 m · 2 sec

  9. 9

    Keep slight left to continue on I 90 East: Bellevue, Spokane

    2257 ft · 55 sec

  10. 10

    Merge slight left

    1.6 km · 1 min

  11. 11

    Keep slight left to continue on Mount Baker Ridge Tunnel

    274.2 mi · 4 hr 59 min · Mount Baker Ridge Tunnel

  12. 12

    Merge slight right

    11.3 mi · 14 min

  13. 13

    Take the exit slight right toward WA 27

    2039 ft · 52 sec

  14. 14

    Turn left onto North Pines Road

    45 m · 11 sec · North Pines Road

  15. 15

    Arrive at your destination

    0 m · 1 sec · North Pines Road

Car Route Details

A richer read on the saved driving route between Mountlake Terrace and Spokane Valley.

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
15 steps
3 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
5 / 100 mi
Decision points by distance
Main Roads
Mount Baker Ridge Tunnel
285 mi · 95%
I 5 South
12.7 mi · 4%
I 90 East
1.44 mi
Bellevue
0.76 mi
236th Street Southwest
0.42 mi
WA 27
0.39 mi
Longest Stretch

Mount Baker Ridge Tunnel

Keep slight left to continue on Mount Baker Ridge Tunnel

274 mi · 04h 59m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 44m
Long day trip
Same-Day Return
09h 30m
Round-trip wheel time
Road vs Air
+65.4 mi
235.7 mi direct line
Halfway Stop
George
02h 22m from Mountlake Terrace
Leave By
7:30 AM PDT
Early departure recommended
Weather Watch

Mostly Cloudy then Slight Chance Light Rain leaving Mountlake Terrace and Mostly Sunny near Spokane Valley.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Mountlake Terrace to Spokane Valley?

The road trip is about 301.1 miles (484.5 km) and usually takes 04h 44m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

George is a useful midpoint, sitting about 150.4 miles from Mountlake Terrace and 150.6 miles from Spokane Valley.

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

The direct path is about 235.7 miles (379.3 km), while the road route adds roughly 65.4 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 7:30 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $55.63 one way or $111.25 round trip. Estimated CO2 is about 94.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Slight Chance Light Rain around Mountlake Terrace and Mostly Sunny near Spokane Valley.

Stop Ideas Near George

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

Mid-route Guidance
Local place coverage is thin around George, 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 George.

BUS

Quincy, Washington

18 mi away
102 B St NE
BUS

Ephrata, WA

34 mi away
1352 Basin Street SW
RAIL

Ephrata

36 mi away
24 Alder St NW
BUS

Moses Lake, Washington

46 mi away
1819 East Kittleson Road

Flight Path Map

This map shows the direct air route between Mountlake Terrace and Spokane Valley. Straight-line distance: 235.68 mi (379.29 km).

Mountlake Terrace

#1 Mountlake Terrace

City in Snohomish County, Washington, United States

Population21,315
Coordinates47.7881500, -122.3087400
Altitude140
CountryUnited States
Spokane Valley

#2 Spokane Valley

The most populous city in Spokane County, Washington.

Population102,893
Coordinates47.6732300, -117.2393700
Altitude615
CountryUnited States
Start: (-122.308737, 47.788086)
End: North Pines Road (-117.239528, 47.673234)

Estimated Travel Time

Distance: 485 km by road

SpeedTime
30 mph (48.3 km/h)10h 01m
40 mph (64.37 km/h)07h 31m
50 mph (80.47 km/h)06h 01m
60 mph (96.56 km/h)05h 01m
70 mph (112.65 km/h)04h 18m
80 mph (129 km/h)03h 45m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.63 gal
40.22 L · about $55.63
Round trip
$111.25
21.26 gal · 80.44 L
Estimated CO2
94.5 kg one way
Round trip: 188.9 kg / 416 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $55.63 $111.25
Mid-grade $5.57 $59.18 $118.35
Premium $5.77 $61.35 $122.69
Diesel $5.47 $58.11 $116.23

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 · Apr 19, 2026

There is no time difference between Mountlake Terrace and Spokane Valley. The current time is 22:34:18.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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