How far is Chattanooga, TN from Oak Grove, TN?
The driving distance from Chattanooga, TN to Oak Grove, TN is about 209.2 miles (336.6 km), with a travel time of about 03h 56m by car.
- The straight-line flight distance is about 187.3 miles (301.5 km).
- For a round trip, plan for roughly 07h 52m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 03h 56m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
A city in Williamson County, Tennessee.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Chattanooga and Oak Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chattanooga and Oak Grove.
-
1
Start on West Martin Luther King Boulevard
24 m · 6 sec · West Martin Luther King Boulevard
-
2
Turn right onto Market Street
1.2 mi · 3 min · Market Street
-
3
Turn left
1378 ft · 23 sec
-
4
Merge slight left
5.8 mi · 8 min
-
5
Keep slight left to continue on I 75 North: Knoxville
1.4 km · 1 min
-
6
Merge slight left
99.2 mi · 1 hr 50 min
-
7
Keep slight left
36.7 mi · 41 min
-
8
Keep slight left to continue on I 81 North: Bristol
59 mi · 1 hr 3 min
-
9
Take the exit slight right toward SR 36: Kingsport, Johnson City
1232 ft · 30 sec
-
10
Turn right onto Fort Henry Drive
2.9 mi · 4 min · Fort Henry Drive
-
11
Continue on Kingsport Highway
2.9 mi · 5 min · Kingsport Highway
-
12
Arrive at your destination
0 m · 1 sec · Kingsport Highway
Car Route Details
A richer read on the saved driving route between Chattanooga and Oak Grove.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 75 North
Merge slight left
99.2 mi · 01h 50m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Chattanooga and Sunny near Oak Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chattanooga to Oak Grove?
The road trip is about 209.2 miles (336.6 km) and usually takes 03h 56m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Brentwood is a useful midpoint, sitting about 104.5 miles from Chattanooga and 104.6 miles from Oak Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 187.3 miles (301.5 km), while the road route adds roughly 21.9 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 9:08 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.83 one way or $55.66 round trip. Estimated CO2 is about 65.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Chattanooga and Sunny near Oak Grove.
Flight Path Map
This map shows the direct air route between Chattanooga and Oak Grove. Straight-line distance: 187.32 mi (301.47 km).
#1 Chattanooga
The fourth most populous city in Tennessee.
| Population | 184,742 |
| Coordinates | 35.0456300, -85.3096800 |
| Altitude | 206 |
| Country | United States |
#2 Oak Grove
Oak Grove is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 36.4117700, -82.4245900 |
| Altitude | 428 |
| Country | United States |
End: Oak Grove (-82.42459, 36.41177)
Estimated Travel Time
Distance: 337 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 58m |
| 40 mph (64.37 km/h) | 05h 13m |
| 50 mph (80.47 km/h) | 04h 11m |
| 60 mph (96.56 km/h) | 03h 29m |
| 70 mph (112.65 km/h) | 02h 59m |
| 80 mph (129 km/h) | 02h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $27.83 | $55.66 |
| Mid-grade | $4.25 | $31.39 | $62.77 |
| Premium | $4.65 | $34.35 | $68.69 |
| Diesel | $5.30 | $39.14 | $78.29 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Tennessee · May 14, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.