How far is San Diego, CA from Fort Casey, WA?
The driving distance from San Diego, CA to Fort Casey, WA is about 1296.4 miles (2086.4 km), with a travel time of about 25h 25m by car.
- The straight-line flight distance is about 1105.4 miles (1778.9 km).
- For a round trip, plan for roughly 50h 50m 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 25h 25m.
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 Shasta County, California, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between San Diego and Fort Casey.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Fort Casey.
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1
Start on Front Street
8 m · 6 sec · Front Street
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2
Turn left onto West Broadway
88 m · 12 sec · West Broadway
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3
Turn left onto 1st Avenue
3072 ft · 1 min · 1st Avenue
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4
Take the ramp left toward I 5 North: Los Angeles
1017 ft · 25 sec
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5
Merge slight left onto San Diego Freeway
13.5 mi · 16 min · San Diego Freeway
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6
Keep slight left to continue on San Diego Freeway
36.3 mi · 43 min · San Diego Freeway
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7
Keep slight right to continue on San Diego Freeway
18.1 mi · 21 min · San Diego Freeway
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8
Keep slight left to continue on San Diego Freeway
7.4 mi · 9 min · San Diego Freeway
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9
Keep slight right to continue on Bake Parkway
1.6 mi · 2 min
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10
Keep slight right
6 mi · 7 min
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11
Take the exit slight right toward Jamboree Road
1266 ft · 17 sec
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12
Continue straight
527 ft · 11 sec
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13
Turn right onto Jamboree Road
760 ft · 18 sec · Jamboree Road
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14
Turn left onto El Camino Real
2.2 mi · 5 min · El Camino Real
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15
Turn left onto Newport Avenue
109 m · 14 sec · Newport Avenue
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16
Take the ramp right toward I 5 North: Los Angeles
1127 ft · 17 sec
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17
Merge slight left onto Santa Ana Freeway
1.3 mi · 1 min · Santa Ana Freeway
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18
Keep slight right to continue on Santa Ana Freeway
1.7 mi · 2 min · Santa Ana Freeway
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19
Keep slight right to continue on Santa Ana Freeway
9.4 mi · 11 min · Santa Ana Freeway
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20
Keep slight right to continue on Santa Ana Freeway
18 mi · 21 min · Santa Ana Freeway
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21
Keep slight right to continue on Golden State Freeway
25.5 mi · 30 min · Golden State Freeway
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22
Keep slight left to continue on Golden State Freeway
2.2 mi · 3 min · Golden State Freeway
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23
Keep slight right to continue on I 5 Truck North, CA 14 Truck
1.5 mi · 2 min
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24
Keep slight left
36.1 mi · 42 min
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25
Keep slight left to continue on Golden State Freeway
22.3 mi · 25 min · Golden State Freeway
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26
Keep slight right to continue on Westside Freeway
225.6 mi · 4 hr 2 min · Westside Freeway
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27
Keep slight right to continue on Westside Freeway
25.5 mi · 28 min · Westside Freeway
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28
Keep left to continue on Westside Freeway
53.8 mi · 1 hr · Westside Freeway
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29
Keep slight left to continue on Westside Freeway
120.9 mi · 2 hr 10 min · Westside Freeway
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30
Continue on Cascade Wonderland Highway
450.1 mi · 8 hr 44 min · Cascade Wonderland Highway
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31
Keep slight right to continue on Seattle
112.8 mi · 2 hr 8 min
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32
Take the exit slight right toward US 101 North: Aberdeen, Port Angeles
2444 ft · 59 sec
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33
Continue straight
5.5 mi · 7 min
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34
Keep slight right to continue on US 101 North: Shelton, Port Angeles
78 mi · 1 hr 46 min
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35
Take the exit right toward State Highway 20
120 m · 11 sec · State Highway 20
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36
Turn slight right onto State Route 20
7.7 mi · 12 min · State Route 20
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37
Continue on State Route 20
2.1 mi · 4 min · State Route 20
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38
Continue on West Sims Way
2193 ft · 46 sec · West Sims Way
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39
Enter the roundabout and take exit 2 toward West Sims Way
30 m · 2 sec · West Sims Way
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40
Exit the roundabout onto West Sims Way
1436 ft · 41 sec · West Sims Way
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41
Enter the roundabout and take exit 2 toward West Sims Way
31 m · 2 sec · West Sims Way
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42
Exit the roundabout onto West Sims Way
1.5 mi · 4 min · West Sims Way
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43
Enter the roundabout and take exit 2 toward East Sims Way
27 m · 2 sec · East Sims Way
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44
Exit the roundabout onto East Sims Way
1017 ft · 27 sec · East Sims Way
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45
Continue on Water Street
1598 ft · 52 sec · Water Street
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46
Turn right onto Ferry Dock
29 m · 3 sec · Ferry Dock
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47
Keep slight right to continue on Ferry Dock
147 m · 10 sec · Ferry Dock
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48
At the end of the road, turn right onto Port Townsend Slip 2
48 m · 3 sec · Port Townsend Slip 2
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49
Continue on Port Townsend-Coupeville Ferry
5.8 mi · 35 min · Port Townsend-Coupeville Ferry
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50
Continue on State Route 20
73 m · 11 sec · State Route 20
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51
At the end of the road, turn left onto Engle Road
2342 ft · 1 min · Engle Road
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52
Turn right
25 m · 6 sec
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53
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between San Diego and Fort Casey.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Cascade Wonderland Highway
Continue on Cascade Wonderland Highway
450 mi · 08h 44m
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.
Sunny leaving San Diego 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 San Diego to Fort Casey?
The road trip is about 1296.4 miles (2086.4 km) and usually takes 25h 25m 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?
Anderson is a useful midpoint, sitting about 641.7 miles from San Diego and 654.7 miles from Fort Casey.
How much longer is the road route than the straight-line distance?
The direct path is about 1105.4 miles (1778.9 km), while the road route adds roughly 191 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 $286.44 one way or $572.88 round trip. Estimated CO2 is about 406.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around San Diego and Mostly Cloudy near Fort Casey.
Stop Ideas Near Anderson
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Anderson Building Permits
Red Bluff Police Department
Red Bluff City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Anderson.
Redding station
Redding (RABA Transit Center), California
Red Bluff, California
Corning, California
Flight Path Map
This map shows the direct air route between San Diego and Fort Casey. Straight-line distance: 1105.33 mi (1778.85 km).
#1 San Diego
The eighth most populous city in the United States and the center of the San Diego metropolitan area.
| Population | 1,422,420 |
| Coordinates | 32.7157100, -117.1647200 |
| Altitude | 20 |
| 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: 2086 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 43h 11m |
| 40 mph (64.37 km/h) | 32h 24m |
| 50 mph (80.47 km/h) | 25h 55m |
| 60 mph (96.56 km/h) | 21h 36m |
| 70 mph (112.65 km/h) | 18h 31m |
| 80 mph (129 km/h) | 16h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $6.26 | $286.44 | $572.88 |
| Mid-grade | $6.50 | $297.33 | $594.66 |
| Premium | $6.69 | $306.02 | $612.04 |
| Diesel | $8.41 | $384.89 | $769.79 |
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 California · Oct 15, 2026