Nashville to San Antonio

via I-40

17h 49min
Drive Time
1070
Miles
$124
Gas Cost
$32
Tolls

How Long Is the Drive from Nashville to San Antonio?

The drive from Nashville to San Antonio takes approximately 17h 49min, covering 1070 miles via I-40. Under normal conditions, expect to spend around $124 on gas.

Travel time can vary — during peak hours, weekends, or holidays, the journey may take 24–25+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.

Traffic Estimate

🟢 Light traffic
15h 9m
🔵 Typical
17h 49min
🔴 Heavy traffic
25h 50m

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

Trip Details

Distance1070 miles (1721 km)
Drive Time17h 49min
RouteI-40
Best TimeMid-morning (9-11 AM)

Fuel Costs

Gas (30 mpg)~35.7 gallons
Est. Cost$124

Route Tips: I-40

Follows the old Route 66 corridor. Long desert stretches require fuel planning.

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

Best Time to Drive from Nashville to San Antonio

For a long drive like Nashville to San Antonio, 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: Mid-morning (9-11 AM)
🔴 Avoid: Rush hour (4-7 PM)

Driving vs Flying

🚗 Driving
17h 49min
~$124 gas
✈️ Flying
4h 38m
~$160–$374 flight

✈️ Flying is faster when you factor in airport time. Flight time is ~2h 8m but add ~2.5 hours for check-in, security, and boarding.

All Travel Options

🚗 Drive
17h 49min
~$124
🚌 Bus
23h 47m
~$86–$193
🚂 Train
19h 27m
~$128–$321

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:

📍 Shreveport
📍 Hot Springs
📍 Little Rock

Frequently Asked Questions

How long does it take to drive from Nashville to San Antonio?
The drive from Nashville to San Antonio takes approximately 17h 49min covering 1070 miles via I-40. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Nashville to San Antonio?
At 30 MPG and $3.50/gallon, expect to spend approximately $124 on gas for this 1070-mile trip. You'll need about 35.7 gallons of fuel.
What is the best time to drive from Nashville to San Antonio?
Mid-morning (9-11 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Nashville to San Antonio route?
Yes, expect approximately $32 in tolls along this route. Consider getting a TxTag transponder for faster toll payment.