The drive from Portland to Dallas takes approximately 35h 20min, covering 2120 miles via I-5. Under normal conditions, expect to spend around $247 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 49–50+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
30h 2m
🔵 Typical
35h 20min
🔴 Heavy traffic
51h 14m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance2120 miles (3411 km)
Drive Time35h 20min
RouteI-5
Best TimeLate evening (8-10 PM)
Fuel Costs
Gas (30 mpg)~70.7 gallons
Est. Cost$247
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 6 fuel stops along the way.
Best Time to Drive from Portland to Dallas
For a long drive like Portland to Dallas, 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:Late evening (8-10 PM)
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
35h 20min
~$247 gas
✈️ Flying
6h 44m
~$318–$742 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~4h 14m but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
35h 20min
~$247
🚌 Bus
47h 7m
~$170–$382
🚂 Train
38h 33m
~$254–$636
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:
📍 Arches National Park
📍 Moab
📍 Canyonlands
Frequently Asked Questions
How long does it take to drive from Portland to Dallas?
The drive from Portland to Dallas takes approximately 35h 20min covering 2120 miles via I-5. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Portland to Dallas?
At 30 MPG and $3.50/gallon, expect to spend approximately $247 on gas for this 2120-mile trip. You'll need about 70.7 gallons of fuel.
What is the best time to drive from Portland to Dallas?
Late evening (8-10 PM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Portland to Dallas route?
Yes, expect approximately $50 in tolls along this route. Consider getting a TxTag transponder for faster toll payment.