How far is Chicago, IL from Fort Casey, WA?

The driving distance from Chicago, IL to Fort Casey, WA is about 2121 miles (3413.4 km), with a travel time of about 37h 33m by car.

  • The straight-line flight distance is about 1749.4 miles (2815.4 km).
  • For a round trip, plan for roughly 75h 07m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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
2120.96 mi
37h 33m
Flight
1749.4 mi
2815.39 km direct

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

Learn Distance

Choose another destination from Chicago.

Flight Distance

Direct air line
1749.4 mi
Kilometers
2815.39 km
Flight Time
03h 31m

Driving Distance

Road route
2120.96 mi
Kilometers
3413.36 km
Drive Time
37h 33m

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 37h 33m.

Arrival Snapshot
Arrive in Fort Casey
Sat, Oct 17, 3:56 AM PDT
Return by in Chicago
Sun, Oct 18, 7:30 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chicago
2026-10-15T16:22
Arrive Fort Casey
Sat, Oct 17, 5:56 AM CDT
Route Timing
37h 33m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
5:34 PM to 7:04 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
8:52 AM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Chicago
8:00 PM CDT
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
Terry
MT

Town in Montana, United States

From Chicago
1058.4 mi
18h 46m
To Fort Casey
1062.5 mi
18h 46m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
This Afternoon

Showers And Thunderstorms

Starts
Thu, Oct 15 2:00 PM CDT
Wind
10 mph SE
Destination
Fort Casey Weather
WA
Live fallback forecast
60°F
This Afternoon
Using Coupeville as the closest live forecast in the Island County weather hub.

Mostly Sunny

Starts
Thu, Oct 15 1:00 PM PDT
Wind
5 mph NW

Driving Route Map

The map below follows the saved road route between Chicago and Fort Casey.

Turn-by-Turn Driving Directions

Step-by-step road directions between Chicago and Fort Casey.

  1. 1

    Start on the route

    943 ft · 1 min

  2. 2

    At the end of the road, turn right onto West Cermak Road

    947 ft · 26 sec · West Cermak Road

  3. 3

    Turn left onto South Halsted Street

    737 ft · 17 sec · South Halsted Street

  4. 4

    Turn right onto South Canalport Avenue

    881 ft · 23 sec · South Canalport Avenue

  5. 5

    Turn left onto South Ruble Street

    676 ft · 23 sec · South Ruble Street

  6. 6

    Take the ramp straight toward I 90 West, I 94 West

    1758 ft · 43 sec

  7. 7

    Merge slight left onto Dan Ryan Expressway

    1.5 km · 1 min · Dan Ryan Expressway

  8. 8

    Continue on Kennedy Expressway

    7.9 mi · 11 min · Kennedy Expressway

  9. 9

    Take the exit slight right toward Montrose Avenue

    1041 ft · 29 sec

  10. 10

    Turn left onto West Montrose Avenue

    1.1 km · 1 min · West Montrose Avenue

  11. 11

    Turn right onto North Milwaukee Avenue

    1.1 mi · 2 min · North Milwaukee Avenue

  12. 12

    Turn left onto North Northwest Highway

    21 m · 2 sec · North Northwest Highway

  13. 13

    Continue on North Northwest Highway

    1.6 km · 2 min · North Northwest Highway

  14. 14

    Turn slight left onto West Bryn Mawr Avenue

    1.8 mi · 4 min · West Bryn Mawr Avenue

  15. 15

    Continue on West Higgins Road

    3.1 mi · 5 min · West Higgins Road

  16. 16

    Take the ramp right toward I 90 Toll West

    1334 ft · 33 sec

  17. 17

    Merge slight left onto Jane Addams Memorial Tollway

    81.6 mi · 1 hr 28 min · Jane Addams Memorial Tollway

  18. 18

    Take the exit slight right toward CTH S

    1757 ft · 33 sec

  19. 19

    Keep slight right

    81 m · 7 sec

  20. 20

    Turn straight onto Shopiere Road

    2 mi · 3 min · Shopiere Road

  21. 21

    Turn left onto County Highway J

    5.8 mi · 9 min · County Highway J

  22. 22

    Turn left onto East Avalon Road

    1862 ft · 35 sec · East Avalon Road

  23. 23

    Take the ramp slight right

    16.9 mi · 18 min

  24. 24

    Continue straight

    51.8 mi · 55 min

  25. 25

    Keep slight left

    63.5 mi · 1 hr 8 min

  26. 26

    Keep slight right to continue on I 94 West: Eau Claire, Saint Paul

    156.2 mi · 2 hr 47 min

  27. 27

    Take the exit slight right toward I 694 North, I 494 South

    1560 ft · 38 sec

  28. 28

    Keep slight right to continue on I 694 North

    2039 ft · 50 sec

  29. 29

    Merge slight left

    11.5 mi · 14 min

  30. 30

    Keep slight right

    18.4 mi · 23 min

  31. 31

    Continue on I-94 W

    17.1 mi · 19 min · I-94 W

  32. 32

    Keep slight left

    802.7 mi · 13 hr 23 min

  33. 33

    Merge slight left

    2.8 mi · 3 min

  34. 34

    Continue straight

    112.8 mi · 1 hr 52 min

  35. 35

    Continue straight

    7 mi · 7 min

  36. 36

    Continue straight

    113.4 mi · 1 hr 54 min

  37. 37

    Keep slight left to continue on I 90 West: Missoula

    312.7 mi · 5 hr 21 min

  38. 38

    Keep slight left

    56.6 mi · 1 hr 1 min

  39. 39

    Keep slight left

    211 mi · 3 hr 50 min

  40. 40

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

    1138 ft · 28 sec

  41. 41

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

    2439 ft · 59 sec

  42. 42

    Merge slight left

    8.1 mi · 10 min

  43. 43

    Keep slight right

    8.4 mi · 11 min

  44. 44

    Keep slight right

    2.3 mi · 3 min

  45. 45

    Continue straight

    5.8 mi · 9 min

  46. 46

    Take the exit straight

    812 ft · 22 sec

  47. 47

    Continue on Paine Field Boulevard

    1.2 km · 1 min · Paine Field Boulevard

  48. 48

    Turn left onto 84th Street Southwest

    2170 ft · 45 sec · 84th Street Southwest

  49. 49

    Turn right onto Mukilteo Speedway

    1.9 mi · 5 min · Mukilteo Speedway

  50. 50

    Turn right

    759 ft · 15 sec

  51. 51

    Turn slight left

    1439 ft · 2 min

  52. 52

    Continue on Mukilteo-Clinton Ferry

    3 mi · 20 min · Mukilteo-Clinton Ferry

  53. 53

    Continue on Ferry Dock

    708 ft · 40 sec · Ferry Dock

  54. 54

    Continue on State Route 525

    22 mi · 33 min · State Route 525

  55. 55

    Turn left onto State Route 20

    3.3 mi · 5 min · State Route 20

  56. 56

    Continue on South Engle Road

    2859 ft · 2 min · South Engle Road

  57. 57

    Turn right

    25 m · 6 sec

  58. 58

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Chicago 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
58 steps
17 turns on the saved route
Ramps & Exits
13
5 merges, 8 ramps or exits
Navigation Density
2.7 / 100 mi
Decision points by distance
Main Roads
I-94 W
1056 mi · 50%
I 90 West
581 mi · 27%
I 94 West
156 mi · 7%
East Avalon Road
132 mi · 6%
Jane Addams Memorial Tollway
81.6 mi · 4%
I 694 North
30.6 mi · 1%
Longest Stretch

I-94 W

Keep slight left

803 mi · 13h 23m

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
37h 33m
Overnight route
Same-Day Return
75h 08m
Round-trip wheel time
Road vs Air
+371.6 mi
1749.4 mi direct line
Halfway Stop
Terry
18h 46m from Chicago
Leave By
8:52 AM CDT
Overnight-style route
Weather Watch

Showers And Thunderstorms leaving Chicago and Mostly Sunny near Fort Casey.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Chicago to Fort Casey?

The road trip is about 2121 miles (3413.4 km) and usually takes 37h 33m 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?

Terry is a useful midpoint, sitting about 1058.4 miles from Chicago and 1062.5 miles from Fort Casey.

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

The direct path is about 1749.4 miles (2815.4 km), while the road route adds roughly 371.6 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 CDT. 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 $349.13 one way or $698.26 round trip. Estimated CO2 is about 665.1 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 2 hour time difference between Chicago and Fort Casey, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Chicago and Mostly Sunny near Fort Casey.

Stop Ideas Near Terry

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

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

BUS

Glendive, MT

56 mi away
1302 West Towne Street
BUS

Miles City, MT

59 mi away
1019 Main Street

Flight Path Map

This map shows the direct air route between Chicago and Fort Casey. Straight-line distance: 1749.4 mi (2815.39 km).

Chicago

#1 Chicago

The third most populous city in the United States and the center of the Chicago metropolitan area.

Population2,677,643
Coordinates41.850033, -87.6500523
Altitude179
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: Chicago (-87.650052, 41.850033)
End: Fort Casey (-122.67878, 48.16426)

Estimated Travel Time

Distance: 3413 km by road

SpeedTime
30 mph (48.3 km/h)70h 40m
40 mph (64.37 km/h)53h 01m
50 mph (80.47 km/h)42h 25m
60 mph (96.56 km/h)35h 20m
70 mph (112.65 km/h)30h 18m
80 mph (129 km/h)26h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
74.84 gal
283.31 L · about $349.13
Round trip
$698.26
149.68 gal · 566.62 L
Estimated CO2
665.1 kg one way
Round trip: 1330.2 kg / 2933 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.67 $349.13 $698.26
Mid-grade $5.29 $396.05 $792.11
Premium $5.84 $436.84 $873.68
Diesel $6.57 $491.77 $983.55

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 Illinois · Oct 15, 2026

Please keep in mind that there is a 2 hours time gap between Chicago, IL and Fort Casey, WA. The current time in Chicago is 16:22:45, although it is 14:22:45 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.