Boulder to Phoenix

13h 55m
Drive Time
766
Miles
$89
Gas Cost
5
Stops
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How Long Is the Drive from Boulder to Phoenix?

The drive from Boulder to Phoenix takes approximately 13h 55m, covering 766 miles via the highway. Under normal conditions, expect to spend around $89 on gas.

Travel time can vary — during peak hours, weekends, or holidays, the journey may take 18–19+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.

Traffic Estimate

🟢 Light traffic
11h 50m
🔵 Typical
13h 55m
🔴 Heavy traffic
20h 11m

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

Route Details

Distance766 mi
Drive Time13h 55min
Avg Speed55 mph

Cost Breakdown

Gas (30 MPG)$89
Tolls (est.)$0-20
Total$104-$139

Route Tips: I-40

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 1 fuel stop along the way.

Best Time to Drive from Boulder to Phoenix

For a long drive like Boulder to Phoenix, 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
13h 55m
~$89 gas
✈️ Flying
4h 2m
~$115–$268 flight

✈️ Flying is faster when you factor in airport time. Flight time is ~1h 32m but add ~2.5 hours for check-in, security, and boarding.

All Travel Options

🚗 Drive
13h 55m
~$89
🚌 Bus
17h 1m
~$61–$138
🚂 Train
13h 56m
~$92–$230

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:

📍 Mesa Verde
📍 Monument Valley
📍 Telluride

FAQ

How long is the drive from Boulder to Phoenix?
The drive takes approximately 13 hours and 55 minutes covering 766 miles.
How much gas will I need?
At 30 MPG, you'll use about 25 gallons of gas, costing approximately $89 at $3.50/gallon.
What's the best time to leave?
Early morning (6-8 AM) is ideal to avoid rush hour traffic.

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