Yellowstone National Park to San Francisco

18h 7m
Drive Time
997
Miles
$116
Gas Cost
8
Stops

How Long Is the Drive from Yellowstone to San Francisco?

The drive from Yellowstone to San Francisco takes approximately 18h 7m, covering 997 miles via the highway. Under normal conditions, expect to spend around $116 on gas.

Travel time can vary — during peak hours, weekends, or holidays, the journey may take 25–26+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.

Traffic Estimate

🟢 Light traffic
15h 24m
🔵 Typical
18h 7m
🔴 Heavy traffic
26h 16m

Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.

Route Details

Distance997 mi
Drive Time18h 7min
Avg Speed55 mph

Cost Breakdown

Gas (30 MPG)$116
Tolls (est.)$0-20
Total$131-$166

Route Tips: I-90

Plan rest stops every 2-3 hours on longer drives. Check traffic conditions before departure and keep your tank above quarter-full.

You'll likely need 2 fuel stops along the way.

Best Time to Drive from Yellowstone to San Francisco

For a long drive like Yellowstone to San Francisco, 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: Early morning (6-8 AM)
🔴 Avoid: Rush hour (4-7 PM)

Driving vs Flying

🚗 Driving
18h 7m
~$116 gas
✈️ Flying
4h 30m
~$150–$349 flight

✈️ Flying is faster when you factor in airport time. Flight time is ~2h 0m but add ~2.5 hours for check-in, security, and boarding.

All Travel Options

🚗 Drive
18h 7m
~$116
🚌 Bus
22h 9m
~$80–$179
🚂 Train
18h 8m
~$120–$299

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:

📍 Boise
📍 Reno
📍 Sun Valley

FAQ

How long is the drive from Yellowstone National Park to San Francisco?
The drive takes approximately 18 hours and 7 minutes covering 997 miles.
How much gas will I need?
At 30 MPG, you'll use about 33 gallons of gas, costing approximately $116 at $3.50/gallon.
What's the best time to leave?
Early morning (6-8 AM) is ideal to avoid rush hour traffic.