How far is Fort Casey, WA from Modesto, CA?
The driving distance from Fort Casey, WA to Modesto, CA is about 868.7 miles (1398 km), with a travel time of about 17h 33m by car.
- The straight-line flight distance is about 732.2 miles (1178.3 km).
- For a round trip, plan for roughly 35h 06m 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 17h 33m.
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 Cloudy
Driving Route Map
The map below follows the saved road route between Fort Casey and Modesto.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Casey and Modesto.
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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
93 mi · 1 hr 40 min · Westside Freeway
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25
Keep slight left to continue on Westside Freeway
15.7 mi · 17 min · Westside Freeway
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26
Keep slight left to continue on Westside Freeway
18.6 mi · 21 min · Westside Freeway
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27
Take the exit slight right toward US 50: South Lake Tahoe, San Francisco
2110 ft · 28 sec
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28
Keep slight left to continue on US 50 East: Fresno
1936 ft · 33 sec
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29
Keep slight left to continue on US 50 East: Fresno
3077 ft · 1 min
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30
Merge slight left onto Capital City Freeway
1.2 mi · 1 min · Capital City Freeway
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31
Keep slight right to continue on Capital City Freeway
1383 ft · 18 sec · Capital City Freeway
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32
Take the exit slight right toward CA 99 South: Fresno
2281 ft · 34 sec
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33
Merge slight left onto South Sacramento Freeway
56.4 mi · 1 hr 5 min · South Sacramento Freeway
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34
Keep slight left
14.8 mi · 17 min
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35
Take the exit slight right toward 6th Street, G Street
1356 ft · 33 sec
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36
Turn straight onto 5th Street
1201 ft · 35 sec · 5th Street
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37
Turn left onto G Street
2267 ft · 1 min · G Street
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38
Turn left onto 11th Street
122 m · 18 sec · 11th Street
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39
Arrive at your destination
0 m · 1 sec · 11th Street
Car Route Details
A richer read on the saved driving route between Fort Casey and Modesto.
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 Cloudy leaving Fort Casey and Sunny near Modesto.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Casey to Modesto?
The road trip is about 868.7 miles (1398 km) and usually takes 17h 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?
Glendale is a useful midpoint, sitting about 434.4 miles from Fort Casey and 434.3 miles from Modesto.
How much longer is the road route than the straight-line distance?
The direct path is about 732.2 miles (1178.3 km), while the road route adds roughly 136.5 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 $166.58 one way or $333.17 round trip. Estimated CO2 is about 272.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Fort Casey and Sunny near Modesto.
Stop Ideas Near Glendale
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 Glendale.
Grants Pass, OR
Gold Hill, OR
White City, Oregon
Medford, Oregon
Flight Path Map
This map shows the direct air route between Fort Casey and Modesto. Straight-line distance: 732.13 mi (1178.25 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 Modesto
The third most populous city in Stanislaus County, California.
| Population | 215,666 |
| Coordinates | 37.6391000, -120.9968800 |
| Altitude | 28 |
| Country | United States |
End: Modesto (-120.99688, 37.6391)
Estimated Travel Time
Distance: 1398 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 28h 56m |
| 40 mph (64.37 km/h) | 21h 43m |
| 50 mph (80.47 km/h) | 17h 22m |
| 60 mph (96.56 km/h) | 14h 28m |
| 70 mph (112.65 km/h) | 12h 24m |
| 80 mph (129 km/h) | 10h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $166.58 | $333.17 |
| Mid-grade | $5.72 | $175.29 | $350.57 |
| Premium | $5.98 | $183.20 | $366.39 |
| Diesel | $7.29 | $223.50 | $447.00 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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