How far is Rockford, IL from Fort Casey, WA?
The driving distance from Rockford, IL to Fort Casey, WA is about 2044.7 miles (3290.6 km), with a travel time of about 36h 08m by car.
- The straight-line flight distance is about 1670.1 miles (2687.7 km).
- For a round trip, plan for roughly 72h 16m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 36h 08m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Custer County, Montana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Rockford and Fort Casey.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Fort Casey.
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1
Start on West State Street
2549 ft · 1 min · West State Street
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2
Turn left onto North 3rd Street
1759 ft · 41 sec · North 3rd Street
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3
Continue on North 2nd Street
16.4 mi · 25 min · North 2nd Street
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4
Turn right onto Gardner Street
1.4 mi · 2 min · Gardner Street
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5
Take the ramp left toward US 51 north, IL 75: South Beloit
2132 ft · 29 sec
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6
Merge slight left
4.4 mi · 5 min
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7
Take the exit slight right toward CTH S
1757 ft · 33 sec
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8
Keep slight right
81 m · 7 sec
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9
Turn straight onto Shopiere Road
2 mi · 3 min · Shopiere Road
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10
Turn left onto County Highway J
5.8 mi · 9 min · County Highway J
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11
Turn left onto East Avalon Road
1862 ft · 35 sec · East Avalon Road
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12
Take the ramp slight right
16.9 mi · 18 min
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13
Continue straight
51.8 mi · 55 min
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14
Keep slight left
63.5 mi · 1 hr 8 min
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15
Keep slight right to continue on I 94 West: Eau Claire, Saint Paul
156.2 mi · 2 hr 47 min
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16
Take the exit slight right toward I 694 North, I 494 South
1560 ft · 38 sec
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17
Keep slight right to continue on I 694 North
2039 ft · 50 sec
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18
Merge slight left
11.5 mi · 14 min
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19
Keep slight right
18.4 mi · 23 min
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20
Continue on I-94 W
17.1 mi · 19 min · I-94 W
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21
Keep slight left
802.7 mi · 13 hr 23 min
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22
Merge slight left
2.8 mi · 3 min
-
23
Continue straight
112.8 mi · 1 hr 52 min
-
24
Continue straight
7 mi · 7 min
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25
Continue straight
113.4 mi · 1 hr 54 min
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26
Keep slight left to continue on I 90 West: Missoula
312.7 mi · 5 hr 21 min
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27
Keep slight left
56.6 mi · 1 hr 1 min
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28
Keep slight left
211 mi · 3 hr 50 min
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29
Take the exit slight right toward I 405: Renton, Everett
1138 ft · 28 sec
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30
Keep slight right to continue on I 405 North: Everett, Bellevue
2439 ft · 59 sec
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31
Merge slight left
8.1 mi · 10 min
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32
Keep slight right
8.4 mi · 11 min
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33
Keep slight right
2.3 mi · 3 min
-
34
Continue straight
5.8 mi · 9 min
-
35
Take the exit straight
812 ft · 22 sec
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36
Continue on Paine Field Boulevard
1.2 km · 1 min · Paine Field Boulevard
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37
Turn left onto 84th Street Southwest
2170 ft · 45 sec · 84th Street Southwest
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38
Turn right onto Mukilteo Speedway
1.9 mi · 5 min · Mukilteo Speedway
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39
Turn right
759 ft · 15 sec
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40
Turn slight left
1439 ft · 2 min
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41
Continue on Mukilteo-Clinton Ferry
3 mi · 20 min · Mukilteo-Clinton Ferry
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42
Continue on Ferry Dock
708 ft · 40 sec · Ferry Dock
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43
Continue on State Route 525
22 mi · 33 min · State Route 525
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44
Turn left onto State Route 20
3.3 mi · 5 min · State Route 20
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45
Continue on South Engle Road
2859 ft · 2 min · South Engle Road
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46
Turn right
25 m · 6 sec
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47
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Rockford and Fort Casey.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
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.
Showers And Thunderstorms leaving Rockford 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 Rockford to Fort Casey?
The road trip is about 2044.7 miles (3290.6 km) and usually takes 36h 08m 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?
Miles City is a useful midpoint, sitting about 1005.3 miles from Rockford and 1039.4 miles from Fort Casey.
How much longer is the road route than the straight-line distance?
The direct path is about 1670.1 miles (2687.7 km), while the road route adds roughly 374.6 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 $336.58 one way or $673.16 round trip. Estimated CO2 is about 641.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 2 hour time difference between Rockford 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 Rockford and Mostly Cloudy near Fort Casey.
Stop Ideas Near Miles City
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Miles City.
Miles City, MT
Glendive, MT
Flight Path Map
This map shows the direct air route between Rockford and Fort Casey. Straight-line distance: 1670.08 mi (2687.74 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#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.
| Population | 0 |
| Coordinates | 48.1642600, -122.6787800 |
| Altitude | 3 |
| Country | United States |
End: Fort Casey (-122.67878, 48.16426)
Estimated Travel Time
Distance: 3291 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 68h 07m |
| 40 mph (64.37 km/h) | 51h 07m |
| 50 mph (80.47 km/h) | 40h 53m |
| 60 mph (96.56 km/h) | 34h 04m |
| 70 mph (112.65 km/h) | 29h 12m |
| 80 mph (129 km/h) | 25h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $336.58 | $673.16 |
| Mid-grade | $5.29 | $381.82 | $763.64 |
| Premium | $5.84 | $421.14 | $842.28 |
| Diesel | $6.57 | $474.10 | $948.20 |
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