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Drive Time
4h 33m
Distance
232.4 mi
374 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$36
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Oak Hill, TN
Andy Staver
Chattanooga, TN
Wikimedia Commons
The drive from Oak Hill, TN to Chattanooga, TN covers 232.4 miles and takes about 4h 33m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 75, I 81, I 40 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 83.1 miles on I 75. At current regular gas prices, budget about $36.33 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
116.2 miles from Oak Hill, TN
A natural place for your longest stop of the day , about 2h 22m into the drive .
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This is a 4h 33m highway drive covering 232.4 miles, with most of the trip on I 75 and I 81. The longest continuous stretch is about 83.1 miles on I 75.
This is a straightforward highway drive that stays mostly on I 75 and I 81. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 140.7 miles in near I 75.
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 16 significant decision points across 232.4 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 140.7 miles (I 75): Highway fork - watch signs carefully. Lane positioning matters here; at 223.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 230.3 miles (US 27): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
These are the spots where you need to pay the most attention. Preview them before you drive.
Keep slight left at fork onto I 75 toward I 75 South: Chattanooga
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit toward I 24 West: Chattanooga, Nashville
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Take the exit onto US 27 toward US 27 North: Downtown, Lookout Mountain
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight left at fork onto US 27 toward US 27 North: Downtown, Lookout Mountain
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight left at fork onto US 27
Highway fork - watch signs carefully. Lane positioning matters here
| Road | Distance | Duration |
|---|---|---|
| I 75 | 83.1 mi | 1h 31m |
| I 81 | 57.1 mi | 1h 1m |
| I 40 | 52.8 mi | 59m |
| James H. Quillen Parkway | 15.1 mi | 18m |
| I 24 | 5.8 mi | 7m |
| Mary Patton Highway | 4.5 mi | 7m |
| US 321 | 4.3 mi | 6m |
| Gap Creek Road | 3.4 mi | 5m |
Step-by-step road directions between Oak Hill, TN and Chattanooga, TN.
Start on Browns Branch Road
At end of road, turn left onto Rittertown Road
Turn left onto SR 361
Turn straight onto SR 362
Turn left onto West G Street
Turn left onto US 321; SR 67
Take the exit
Merge onto I 26; US 19W; US 23
Take the exit
Merge onto I 81
Continue on I 81
Merge onto I 40
Keep slight left at fork onto I 75
Take the exit
Continue on I 24
Take the exit onto US 27
Keep slight left at fork onto US 27
Keep slight left at fork onto US 27
Take the exit
Turn right onto West Martin Luther King Boulevard
Arrive at destination
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 42m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 116.2 miles or 2h 22m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 44m
Traffic, exits, and arrival timing usually matter more near Chattanooga, TN than in the middle of the route.
Open the route before leaving Oak Hill, TN so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Oak Hill, TN
This is one driving day of about 232.4 miles and 4h 33m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 116.2 mi from Oak Hill, TN · 2h 22m into the drive
Mid-route town
Meal stop
116 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 80 miles helps settle the day before fatigue starts building.
The midpoint is around 116.2 miles from Oak Hill, TN, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 75 if your tank is already low. That segment runs about 83.1 miles.
The final approach into Chattanooga, TN usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Chattanooga, TN.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$36.33 one way
$72.67 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $39.89 | $79.78 |
| premium | $4.89 | $44.72 | $89.45 |
| diesel | $5.61 | $51.31 | $102.62 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$36
Meals
$25–$50
Total
$61–$86
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 81.3 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $24 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 69.7 | 0 | $24.40 | $11.16 |
| Efficient EV | 58.1 | 0 | $20.34 | $9.30 |
| EV Truck/SUV | 93 | 1 | $32.54 | $14.87 |
Gas CO2
81 kg
EV CO2
27 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Morning in Oak Hill on Wednesday
Local time
6:30 AM
EDT
Current temp
76°F
Partly Sunny
Destination
Morning in Chattanooga on Wednesday
Local time
6:30 AM
EDT
Current temp
75°F
Unavailable
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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