How far is Fort Casey, WA from Rockford, IL?
The driving distance from Fort Casey, WA to Rockford, IL is about 2023 miles (3255.7 km), with a travel time of about 35h 59m by car.
- The straight-line flight distance is about 1670.1 miles (2687.7 km).
- For a round trip, plan for roughly 71h 59m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
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 35h 59m.
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.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Rain Showers
Driving Route Map
The map below follows the saved road route between Fort Casey and Rockford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Casey and Rockford.
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1
Start on the route
25 m · 11 sec
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2
Turn left onto Engle Road
2874 ft · 2 min · Engle Road
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3
Continue on State Route 20
3.3 mi · 5 min · State Route 20
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4
Turn right onto State Route 525
22 mi · 33 min · State Route 525
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5
Continue on 2
125 m · 9 sec · 2
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6
Turn right onto Ferry Dock
61 m · 11 sec · Ferry Dock
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7
Continue on Mukilteo-Clinton Ferry
3 mi · 20 min · Mukilteo-Clinton Ferry
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8
Continue straight
2190 ft · 2 min
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9
At the end of the road, turn left onto Mukilteo Speedway
1.9 mi · 5 min · Mukilteo Speedway
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10
Turn left onto 84th Street Southwest
2113 ft · 44 sec · 84th Street Southwest
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11
Turn right onto Paine Field Boulevard
1.3 km · 58 sec · Paine Field Boulevard
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12
Turn slight left onto Mukilteo Speedway
5.8 mi · 9 min · Mukilteo Speedway
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13
Continue straight
1.4 mi · 2 min
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14
Keep slight right
17.1 mi · 21 min
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15
Take the exit slight right toward I 90: Spokane, Seattle
2527 ft · 1 min
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16
Keep slight left to continue on I 90 East: Spokane
2797 ft · 1 min
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17
Merge slight left
267.7 mi · 4 hr 51 min
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18
Merge slight right
315.4 mi · 5 hr 22 min
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19
Keep slight right
110.8 mi · 1 hr 51 min
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20
Continue straight
6.9 mi · 6 min
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21
Continue straight
113 mi · 1 hr 53 min
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22
Continue straight
3.1 mi · 4 min
-
23
Keep slight right to continue on I 90 East: Sheridan
54 mi · 51 min
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24
Take the exit slight right toward US 212 East: Little Bighorn Battlefield, Broadus
2032 ft · 54 sec
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25
Turn left
42.1 mi · 50 min
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26
Enter the roundabout and take exit 2 toward US Highway 212
66 m · 5 sec · US Highway 212
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27
Exit the roundabout onto US Highway 212
20.1 mi · 24 min · US Highway 212
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28
Continue on Main Street
3072 ft · 2 min · Main Street
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29
Continue on US Highway 212
43.7 mi · 51 min · US Highway 212
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30
Turn right onto Park Avenue
2986 ft · 1 min · Park Avenue
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31
Continue on US Highway 212
93.7 mi · 1 hr 47 min · US Highway 212
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32
Turn right onto North 5th Avenue
2.3 mi · 5 min · North 5th Avenue
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33
Turn left onto SD Highway 34
17.5 mi · 21 min · SD Highway 34
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34
Take the ramp left
10.7 mi · 11 min
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35
Continue straight
23.6 mi · 24 min
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36
Continue straight
629.4 mi · 10 hr 31 min
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37
Keep slight left
138.1 mi · 2 hr 28 min
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38
Keep slight right to continue on I 39, I 90: Chicago
62 mi · 1 hr 6 min
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39
Take the exit slight right toward East Riverside Boulevard
1814 ft · 44 sec
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40
Turn right onto East Riverside Boulevard
4.7 mi · 8 min · East Riverside Boulevard
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41
Turn left onto North 2nd Street
3.8 mi · 6 min · North 2nd Street
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42
Turn right onto East Jefferson Street
2128 ft · 45 sec · East Jefferson Street
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43
Turn left onto North Wyman Street
793 ft · 24 sec · North Wyman Street
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44
Turn right onto West State Street
23 m · 2 sec · West State Street
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45
Arrive at your destination
0 m · 1 sec · West State Street
Car Route Details
A richer read on the saved driving route between Fort Casey and Rockford.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
SD Highway 34
Continue straight
629 mi · 10h 31m
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.
Mostly Cloudy leaving Fort Casey and Rain Showers near Rockford.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Casey to Rockford?
The road trip is about 2023 miles (3255.7 km) and usually takes 35h 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?
Broadus is a useful midpoint, sitting about 1009.5 miles from Fort Casey and 1013.5 miles from Rockford.
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 352.9 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 PDT. 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 $388.00 one way or $776.01 round trip. Estimated CO2 is about 634.4 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 2 hour time difference between Fort Casey and Rockford, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Fort Casey and Rain Showers near Rockford.
Stop Ideas Near Broadus
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 Broadus.
Miles City, MT
Flight Path Map
This map shows the direct air route between Fort Casey and Rockford. Straight-line distance: 1670.08 mi (2687.74 km).
#1 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 |
#2 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
End: Rockford (-89.094, 42.27113)
Estimated Travel Time
Distance: 3256 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 67h 24m |
| 40 mph (64.37 km/h) | 50h 34m |
| 50 mph (80.47 km/h) | 40h 27m |
| 60 mph (96.56 km/h) | 33h 43m |
| 70 mph (112.65 km/h) | 28h 54m |
| 80 mph (129 km/h) | 25h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $388.00 | $776.01 |
| Mid-grade | $5.72 | $408.28 | $816.56 |
| Premium | $5.98 | $426.70 | $853.40 |
| Diesel | $7.29 | $520.58 | $1,041.15 |
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 · Oct 15, 2026