Nashville to Chattanooga

via I-40

2h
Drive Time
135
Miles
$15
Gas Cost
$4
Tolls

How Long Is the Drive from Nashville to Chattanooga?

The drive from Nashville to Chattanooga takes approximately 2h, covering 135 miles via I-40. Under normal conditions, expect to spend around $15 on gas.

Travel time can vary — during rush hour or bad weather, the journey may take 3–4+ hours. For the fastest trip, avoid peak commute hours.

Traffic Estimate

🟢 Light traffic
1h 42m
🔵 Typical
2h
🔴 Heavy traffic
2h 54m

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

Trip Details

Distance135 miles (217 km)
Drive Time2h
RouteI-40
Best TimeLate evening (8-10 PM)

Fuel Costs

Gas (30 mpg)~4.5 gallons
Est. Cost$15

Best Time to Drive from Nashville to Chattanooga

For this shorter drive, the best time to go is late evening (8-10 pm). Rush hour (7-9 AM and 4-7 PM) can add significant time on this route. Weekends are generally smoother unless it's a holiday.

🟢 Best: Late evening (8-10 PM)
🔴 Avoid: Rush hour (4-7 PM)

Route Tips: I-40

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

This trip can typically be done on a single tank of gas.

All Travel Options

🚗 Drive
2h
~$15
🚌 Bus
3h 0m
~$15–$30
🚂 Train
2h 27m
~$20–$45

Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.

Frequently Asked Questions

How long does it take to drive from Nashville to Chattanooga?
The drive from Nashville to Chattanooga takes approximately 2h covering 135 miles via I-40. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Nashville to Chattanooga?
At 30 MPG and $3.50/gallon, expect to spend approximately $15 on gas for this 135-mile trip. You'll need about 4.5 gallons of fuel.
What is the best time to drive from Nashville to Chattanooga?
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 Nashville to Chattanooga route?
There may be minor tolls (around $4) on parts of this route. Some sections have toll-free alternatives.