How far is Fort Casey, WA from Rocklin, CA?
The driving distance from Fort Casey, WA to Rocklin, CA is about 786.9 miles (1266.4 km), with a travel time of about 16h 21m by car.
- The straight-line flight distance is about 651.6 miles (1048.7 km).
- For a round trip, plan for roughly 32h 43m 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 16h 21m.
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 Oregon, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Fort Casey and Rocklin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Casey and Rocklin.
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1
Start on the route
25 m · 11 sec
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2
Turn left onto Engle Road
1867 ft · 1 min · Engle Road
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3
Turn slight right
701 ft · 29 sec
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4
Turn left onto State Route 20
28 m · 2 sec · State Route 20
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5
Turn straight onto Port Townsend-Coupeville Ferry
5.8 mi · 35 min · Port Townsend-Coupeville Ferry
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6
Continue on Ferry Dock
732 ft · 42 sec · Ferry Dock
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7
At the end of the road, turn left onto Water Street
1598 ft · 48 sec · Water Street
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8
Turn straight onto East Sims Way
1031 ft · 27 sec · East Sims Way
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9
Enter the roundabout and take exit 2 toward East Sims Way
25 m · 2 sec · East Sims Way
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10
Exit the roundabout onto East Sims Way
1.5 mi · 4 min · East Sims Way
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11
Enter the roundabout and take exit 2 toward West Sims Way
35 m · 2 sec · West Sims Way
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12
Exit the roundabout onto West Sims Way
1425 ft · 40 sec · West Sims Way
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13
Enter the roundabout and take exit 2 toward West Sims Way
31 m · 2 sec · West Sims Way
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14
Exit the roundabout onto West Sims Way
2199 ft · 48 sec · West Sims Way
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15
Continue on State Route 20
2.1 mi · 4 min · State Route 20
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16
Continue on State Route 20
7.7 mi · 12 min · State Route 20
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17
Take the ramp slight left toward State Highway 20
120 m · 12 sec · State Highway 20
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18
Merge slight right onto Olympic Highway
83.6 mi · 1 hr 54 min · Olympic Highway
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19
Keep slight right to continue on I 5 South: Tumwater, Portland
756 ft · 19 sec
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20
Keep slight left to continue on I 5 South: Portland
2984 ft · 1 min
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21
Merge slight left
95.8 mi · 1 hr 45 min
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22
Keep slight left
431.3 mi · 8 hr 28 min
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23
Keep slight left to continue on Cascade Wonderland Highway
35.5 mi · 39 min · Cascade Wonderland Highway
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24
Continue on Westside Freeway
3.9 mi · 4 min · Westside Freeway
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25
Take the exit slight right toward Proberta, Gerber, Flores Avenue
1537 ft · 33 sec
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26
At the end of the road, turn left onto Flores Avenue
2.6 mi · 4 min · Flores Avenue
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27
At the end of the road, turn right onto Road 99W
109 m · 11 sec · Road 99W
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28
Turn left onto San Benito Avenue
4.5 mi · 8 min · San Benito Avenue
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29
Continue on 5th Street
791 ft · 32 sec · 5th Street
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30
Turn left onto C Street
1600 ft · 55 sec · C Street
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31
Continue on Aramayo Way
1.1 mi · 2 min · Aramayo Way
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32
At the end of the road, turn right onto Railroad Avenue
7.8 mi · 10 min · Railroad Avenue
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33
Turn left
28 mi · 33 min
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34
Keep slight left to continue on Oroville, Marysville
5.5 mi · 6 min
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35
Merge slight right
19.1 mi · 22 min
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36
Continue straight
11.1 mi · 13 min
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37
Continue straight
1.5 mi · 3 min
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38
Turn right onto 5th Street
1272 ft · 31 sec · 5th Street
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39
Turn left onto E Street
4.2 mi · 5 min · E Street
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40
Keep slight left to continue on CA 65: Roseville
25.3 mi · 32 min
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41
Take the exit slight right toward Sunset Boulevard
1683 ft · 50 sec
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42
Turn left onto Sunset Boulevard
4.3 mi · 8 min · Sunset Boulevard
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43
Turn left onto Pacific Street
1.2 km · 2 min · Pacific Street
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44
Enter the roundabout and take exit 1 toward Rocklin Road
13 m · 1 sec · Rocklin Road
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45
Exit the roundabout onto Rocklin Road
84 m · 6 sec · Rocklin Road
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46
Continue on Rocklin Road
92 m · 17 sec · Rocklin Road
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47
Turn straight
49 m · 7 sec
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48
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Fort Casey and Rocklin.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 5 South
Keep slight left
431 mi · 08h 28m
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 Sunny leaving Fort Casey and Sunny near Rocklin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Casey to Rocklin?
The road trip is about 786.9 miles (1266.4 km) and usually takes 16h 21m 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?
Roseburg is a useful midpoint, sitting about 393.5 miles from Fort Casey and 393.5 miles from Rocklin.
How much longer is the road route than the straight-line distance?
The direct path is about 651.6 miles (1048.7 km), while the road route adds roughly 135.3 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 $150.93 one way or $301.86 round trip. Estimated CO2 is about 246.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Fort Casey and Sunny near Rocklin.
Stop Ideas Near Roseburg
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 Roseburg.
Coos Bay, Oregon
Reedsport, Oregon
Grants Pass, OR
Gold Hill, OR
Flight Path Map
This map shows the direct air route between Fort Casey and Rocklin. Straight-line distance: 651.64 mi (1048.72 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 Rocklin
The most populous city in Placer County, California.
| Population | 70,159 |
| Coordinates | 38.7907300, -121.2357800 |
| Altitude | 79 |
| Country | United States |
End: Rocklin (-121.23578, 38.79073)
Estimated Travel Time
Distance: 1266 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 26h 13m |
| 40 mph (64.37 km/h) | 19h 40m |
| 50 mph (80.47 km/h) | 15h 44m |
| 60 mph (96.56 km/h) | 13h 06m |
| 70 mph (112.65 km/h) | 11h 14m |
| 80 mph (129 km/h) | 09h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $150.93 | $301.86 |
| Mid-grade | $5.72 | $158.82 | $317.63 |
| Premium | $5.98 | $165.98 | $331.96 |
| Diesel | $7.29 | $202.50 | $405.00 |
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