How Long Is the Drive from San Francisco to Portland?
The drive from San Francisco to Portland takes approximately 10h 0min, covering 640 miles via I-5. Under normal conditions, expect to spend around $74 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 14–15+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
8h 30m
🔵 Typical
10h 0min
🔴 Heavy traffic
14h 30m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance640 miles (1029 km)
Drive Time10h 0min
RouteI-5
Best TimeWeekday mid-day
Fuel Costs
Gas (30 mpg)~21.3 gallons
Est. Cost$74
Route Tips: I-5
The main West Coast highway. Heavy traffic near LA, San Francisco, and Seattle. Scenic stretches through Oregon and Northern California.
You'll likely need 1 fuel stop along the way.
Best Time to Drive from San Francisco to Portland
For a long drive like San Francisco to Portland, plan to depart early in the morning. This lets you cover most of the distance before afternoon traffic builds up. Consider breaking the trip with a lunch stop midway.
🟢 Best:Weekday mid-day
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
10h 0min
~$74 gas
✈️ Flying
3h 47m
~$96–$224 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~1h 17m but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
10h 0min
~$74
🚌 Bus
14h 13m
~$51–$115
🚂 Train
11h 38m
~$77–$192
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
Suggested Stops
Popular cities along the route for rest, food, or fuel:
📍 Redwood
📍 Crater Lake
📍 Reno
Frequently Asked Questions
How long does it take to drive from San Francisco to Portland?
The drive from San Francisco to Portland takes approximately 10h 0min covering 640 miles via I-5. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for San Francisco to Portland?
At 30 MPG and $3.50/gallon, expect to spend approximately $74 on gas for this 640-mile trip. You'll need about 21.3 gallons of fuel.
What is the best time to drive from San Francisco to Portland?
Weekday mid-day to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the San Francisco to Portland route?
Yes, expect approximately $19 in tolls along this route. Consider getting a FasTrak transponder for faster toll payment.
