How far is Salt Lake City, UT from Fort Casey, WA?

The driving distance from Salt Lake City, UT to Fort Casey, WA is about 876.3 miles (1410.3 km), with a travel time of about 16h 02m by car.

  • The straight-line flight distance is about 736.7 miles (1185.6 km).
  • For a round trip, plan for roughly 32h 05m 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
876.3 mi
16h 02m
Flight
736.69 mi
1185.59 km direct

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

Learn Distance

Choose another destination from Salt Lake City.

Flight Distance

Direct air line
736.69 mi
Kilometers
1185.59 km
Flight Time
01h 28m

Driving Distance

Road route
876.3 mi
Kilometers
1410.27 km
Drive Time
16h 02m

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 16h 02m.

Arrival Snapshot
Arrive in Fort Casey
Fri, Oct 16, 2:02 AM PDT
Return by in Salt Lake City
Fri, Oct 16, 7:05 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Salt Lake City
2026-10-15T10:59
Arrive Fort Casey
Fri, Oct 16, 3:02 AM MDT
Route Timing
16h 02m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
9:03 PM to 10:33 PM PDT

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

Leave by
3:54 AM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Salt Lake City
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
Huntington
OR

City in Oregon, USA

From Salt Lake City
435.1 mi
08h 01m
To Fort Casey
441.1 mi
08h 01m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM MDT
Wind
2 to 6 mph NE
Destination
Fort Casey Weather
WA
Live fallback forecast
50°F
Overnight
Using Coupeville as the closest live forecast in the Island County weather hub.

Mostly Cloudy

Starts
Thu, Oct 15 5:00 AM PDT
Wind
3 mph NW

Driving Route Map

The map below follows the saved road route between Salt Lake City and Fort Casey.

Turn-by-Turn Driving Directions

Step-by-step road directions between Salt Lake City and Fort Casey.

  1. 1

    Start on Main Street

    720 ft · 37 sec · Main Street

  2. 2

    Turn right onto 300 South

    748 ft · 38 sec · 300 South

  3. 3

    Turn right onto State Street

    730 ft · 27 sec · State Street

  4. 4

    Turn right onto 400 South

    1.3 mi · 3 min · 400 South

  5. 5

    Take the ramp slight right toward I 15 North: Ogden

    1551 ft · 38 sec

  6. 6

    Merge slight left onto Veterans Memorial Highway

    15.8 mi · 17 min · Veterans Memorial Highway

  7. 7

    Keep slight left to continue on Veterans Memorial Highway

    55.3 mi · 56 min · Veterans Memorial Highway

  8. 8

    Keep slight left

    95.4 mi · 1 hr 29 min

  9. 9

    Keep slight left to continue on I 86, US 30 West: Twin Falls

    410.7 mi · 7 hr

  10. 10

    Take the exit slight right toward US 395 North: Stanfield, Hermiston

    1706 ft · 42 sec

  11. 11

    Continue on Umatilla-Stanfield Highway

    1.2 mi · 1 min · Umatilla-Stanfield Highway

  12. 12

    Continue on South Main Street

    2 mi · 2 min · South Main Street

  13. 13

    Continue on Umatilla-Stanfield Highway

    3.2 mi · 4 min · Umatilla-Stanfield Highway

  14. 14

    Turn right onto Southeast 4th Street

    1.6 mi · 3 min · Southeast 4th Street

  15. 15

    Turn left onto East Theater Lane

    1368 ft · 42 sec · East Theater Lane

  16. 16

    Turn right onto North 1st Street

    2864 ft · 39 sec · North 1st Street

  17. 17

    Continue on Umatilla-Stanfield Highway

    3.8 mi · 4 min · Umatilla-Stanfield Highway

  18. 18

    Turn left onto Columbia River Highway

    1.1 km · 49 sec · Columbia River Highway

  19. 19

    Take the exit right toward I 82 West, US 395 North: Kennewick, Yakima

    1130 ft · 28 sec

  20. 20

    Merge slight left onto McNary Highway

    1.5 mi · 2 min · McNary Highway

  21. 21

    Take the exit slight right toward SR 14: Plymouth, Vancouver

    1488 ft · 42 sec

  22. 22

    Turn left onto Lewis and Clark Trail Highway

    13.6 mi · 16 min · Lewis and Clark Trail Highway

  23. 23

    Turn right

    26 mi · 31 min

  24. 24

    Turn right onto State Highway 22

    2961 ft · 53 sec · State Highway 22

  25. 25

    Turn right onto Wine Country Road

    1669 ft · 34 sec · Wine Country Road

  26. 26

    Take the ramp right

    1682 ft · 21 sec

  27. 27

    Merge slight left

    50.5 mi · 55 min

  28. 28

    Continue straight

    31 mi · 34 min

  29. 29

    Keep slight left to continue on I 90 West

    101.4 mi · 1 hr 54 min

  30. 30

    Take the exit slight right toward I 405: Renton, Everett

    1138 ft · 28 sec

  31. 31

    Keep slight right to continue on I 405 North: Everett, Bellevue

    2439 ft · 59 sec

  32. 32

    Merge slight left

    8.1 mi · 10 min

  33. 33

    Keep slight right

    8.4 mi · 11 min

  34. 34

    Keep slight right

    2.3 mi · 3 min

  35. 35

    Continue straight

    5.8 mi · 9 min

  36. 36

    Take the exit straight

    812 ft · 22 sec

  37. 37

    Continue on Paine Field Boulevard

    1.2 km · 1 min · Paine Field Boulevard

  38. 38

    Turn left onto 84th Street Southwest

    2170 ft · 45 sec · 84th Street Southwest

  39. 39

    Turn right onto Mukilteo Speedway

    1.9 mi · 5 min · Mukilteo Speedway

  40. 40

    Turn right

    759 ft · 15 sec

  41. 41

    Turn slight left

    1439 ft · 2 min

  42. 42

    Continue on Mukilteo-Clinton Ferry

    3 mi · 20 min · Mukilteo-Clinton Ferry

  43. 43

    Continue on Ferry Dock

    708 ft · 40 sec · Ferry Dock

  44. 44

    Continue on State Route 525

    22 mi · 33 min · State Route 525

  45. 45

    Turn left onto State Route 20

    3.3 mi · 5 min · State Route 20

  46. 46

    Continue on South Engle Road

    2859 ft · 2 min · South Engle Road

  47. 47

    Turn right

    25 m · 6 sec

  48. 48

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Salt Lake City and Fort Casey.

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
48 steps
17 turns on the saved route
Ramps & Exits
11
4 merges, 7 ramps or exits
Navigation Density
5.5 / 100 mi
Decision points by distance
Main Roads
I 86
411 mi · 47%
Veterans Memorial Highway
166 mi · 19%
I 90 West
101 mi · 12%
Wine Country Road
82.2 mi · 9%
I 405 North
25.2 mi · 3%
State Route 525
22 mi · 3%
Longest Stretch

I 86

Keep slight left to continue on I 86, US 30 West: Twin Falls

411 mi · 07h 00m

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
16h 02m
Overnight route
Same-Day Return
32h 06m
Round-trip wheel time
Road vs Air
+139.6 mi
736.7 mi direct line
Halfway Stop
Huntington
08h 01m from Salt Lake City
Leave By
3:54 AM MDT
Overnight-style route
Weather Watch

Sunny leaving Salt Lake City and Mostly Cloudy near Fort Casey.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Salt Lake City to Fort Casey?

The road trip is about 876.3 miles (1410.3 km) and usually takes 16h 02m 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?

Huntington is a useful midpoint, sitting about 435.1 miles from Salt Lake City and 441.1 miles from Fort Casey.

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

The direct path is about 736.7 miles (1185.6 km), while the road route adds roughly 139.6 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 $149.34 one way or $298.69 round trip. Estimated CO2 is about 274.8 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Salt Lake City and Fort Casey, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Sunny around Salt Lake City and Mostly Cloudy near Fort Casey.

Stop Ideas Near Huntington

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

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

BUS

Vale, Oregon

41 mi away
151 Smith Street North
BUS

Ontario

44 mi away
653 East Idaho Avenue
BUS

Baker City, Oregon

64 mi away
515 Campbell Street
BUS

Nampa, Idaho

103 mi away
3116 Garrity Blvd

Flight Path Map

This map shows the direct air route between Salt Lake City and Fort Casey. Straight-line distance: 736.69 mi (1185.59 km).

Salt Lake City

#1 Salt Lake City

The capital of Utah.

Population200,567
Coordinates40.7607800, -111.8910500
Altitude1299
CountryUnited States
Photo coming soon

#2 Fort Casey

Situated on the western shore of Whidbey Island in Island County at an elevation of 10 feet, this site occupies a strategic position overlooking Admiralty Inlet at the entrance to Puget Sound.

Population0
Coordinates48.1642600, -122.6787800
Altitude3
CountryUnited States
Start: Salt Lake City (-111.89105, 40.76078)
End: Fort Casey (-122.67878, 48.16426)

Estimated Travel Time

Distance: 1410 km by road

SpeedTime
30 mph (48.3 km/h)29h 11m
40 mph (64.37 km/h)21h 54m
50 mph (80.47 km/h)17h 31m
60 mph (96.56 km/h)14h 36m
70 mph (112.65 km/h)12h 31m
80 mph (129 km/h)10h 55m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
30.92 gal
117.05 L · about $149.34
Round trip
$298.69
61.84 gal · 234.1 L
Estimated CO2
274.8 kg one way
Round trip: 549.6 kg / 1212 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.83 $149.34 $298.69
Mid-grade $5.12 $158.40 $316.81
Premium $5.36 $165.67 $331.34
Diesel $6.28 $194.18 $388.36

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 Utah · Oct 15, 2026

Please keep in mind that there is a 1 hour time gap between Salt Lake City, UT and Fort Casey, WA. The current time in Salt Lake City is 10:59:25, although it is 09:59:25 in Fort Casey.

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.