How far is Knoxville, TN from Oak Grove, TN?
The driving distance from Knoxville, TN to Oak Grove, TN is about 99.1 miles (159.5 km), with a travel time of about 01h 51m by car.
- The straight-line flight distance is about 89 miles (143.3 km).
- For a round trip, plan for roughly 03h 42m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 51m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Hamilton County, Tennessee, United States of America
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 Knoxville and Oak Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Knoxville and Oak Grove.
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1
Start on Henley Street
1056 ft · 20 sec · Henley Street
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2
Take the exit straight toward I 40, I 275 North: Nashville, Asheville, Lexington
1301 ft · 32 sec
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3
Keep slight right to continue on I 40 East: Asheville
2104 ft · 51 sec
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4
Merge slight left
33.2 mi · 37 min
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5
Keep slight left to continue on I 81 North: Bristol
59 mi · 1 hr 3 min
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6
Take the exit slight right toward SR 36: Kingsport, Johnson City
1232 ft · 30 sec
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7
Turn right onto Fort Henry Drive
2.9 mi · 4 min · Fort Henry Drive
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8
Continue on Kingsport Highway
2.9 mi · 5 min · Kingsport Highway
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9
Arrive at your destination
0 m · 1 sec · Kingsport Highway
Car Route Details
A richer read on the saved driving route between Knoxville 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 81 North
Keep slight left to continue on I 81 North: Bristol
59 mi · 01h 03m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Knoxville 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 Knoxville to Oak Grove?
The road trip is about 99.1 miles (159.5 km) and usually takes 01h 51m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
East Ridge is a useful midpoint, sitting about 49.5 miles from Knoxville and 49.6 miles from Oak Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 89 miles (143.3 km), while the road route adds roughly 10.1 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.20 one way or $26.40 round trip. Estimated CO2 is about 31.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Knoxville and Sunny near Oak Grove.
Stop Ideas Near East Ridge
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Parrottsville, Tennessee Official Website
Parrottsville City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to East Ridge.
Flight Path Map
This map shows the direct air route between Knoxville and Oak Grove. Straight-line distance: 89.07 mi (143.34 km).
#1 Knoxville
The most populous city in Tennessee.
| Population | 190,223 |
| Coordinates | 35.9606400, -83.9207400 |
| Altitude | 276 |
| 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: 160 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 18m |
| 40 mph (64.37 km/h) | 02h 28m |
| 50 mph (80.47 km/h) | 01h 58m |
| 60 mph (96.56 km/h) | 01h 39m |
| 70 mph (112.65 km/h) | 01h 24m |
| 80 mph (129 km/h) | 01h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.20 | $26.40 |
| Mid-grade | $4.25 | $14.89 | $29.77 |
| Premium | $4.65 | $16.29 | $32.58 |
| Diesel | $5.30 | $18.56 | $37.13 |
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.