Origin
Fincastle, TN
Evening in Fincastle on Tuesday
Local time
8:00 PM
EDT
Current temp
75°F
Unavailable
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Drive Time
4h 48m
Distance
240.2 mi
387 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$38
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.
Fincastle, TN
Kelly
Clarksville, TN
Wikimedia Commons
This 240.2-mile drive from Fincastle to Clarksville, Tennessee, is designed for a single day, taking approximately 4 hours and 48 minutes. Primarily utilizing I-40 and I-24, with a segment on Harriman Highway, it's a highway-focused journey across the Southeast region. You can expect to spend around $38 on fuel for this trip. With one recommended stop, this route offers a straightforward path connecting two points within Tennessee, making it a manageable and efficient travel day.
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
120.1 miles from Fincastle, TN
A natural place for your longest stop of the day , about 2h 31m into the drive .
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Expect a predominantly highway experience, with 76% of the drive on interstates. The longest uninterrupted stretch spans 136.6 miles on I-40, so be prepared for extended periods of consistent speed. While largely interstate, the inclusion of Harriman Highway offers a slight variation in the driving experience. This route is best characterized as a functional drive, prioritizing getting you from point A to point B efficiently on well-maintained roads.
This is a straightforward highway drive that stays mostly on I 40 and I 24. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 18.9 miles in near I 75; US 25W.
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 24 significant decision points across 240.2 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 18.9 miles (I 75; US 25W): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 190.2 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 192.3 miles (I 24): Highway fork - watch signs carefully. 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.
Take the exit onto I 75; US 25W toward US 25W South: Rocky Top, Lake City
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Keep slight right at fork onto I 40 toward I 24 West, I 40 West: Nashville
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight right at fork onto I 24 toward I 24 West: Clarksville, Louisville
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Take the exit onto I 24 toward I 24 West: Clarksville
Exit ramp - move to the correct lane early. Lane positioning matters here
Turn right onto US 41A / Madison Street
Lane positioning matters here
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Fincastle, TN and Clarksville, TN, road signs point toward Knoxville, Lake City and Louisville.
Knoxville
Lake City
Louisville
| Road | Distance | Duration |
|---|---|---|
| I 40 | 136.6 mi | 2h 27m |
| I 24 | 36.4 mi | 40m |
| Harriman Highway | 9.8 mi | 11m |
| Frost Bottom Road | 7.1 mi | 12m |
| US 25W | 5.7 mi | 6m |
| Briceville Highway | 5.3 mi | 9m |
| Madison Street | 4.7 mi | 8m |
| North Roane Street | 4.1 mi | 4m |
Step-by-step road directions between Fincastle, TN and Clarksville, TN.
Start on Glade Springs Road
Turn left onto SR 63
Continue on SR 63
Continue on US 25W; SR 63
Continue on US 25W; SR 63
Continue on US 25W; TN 63
Continue on US 25W; TN 63
Take the exit onto US 25W
Take the exit onto I 75; US 25W
Keep slight right at fork onto I 75; US 25W
Turn slight right onto US 25W; SR 116
Turn right onto SR 116
At end of road, turn left onto SR 116
Continue on SR 116
Continue on SR 330
Continue on SR 330
At end of road, turn right onto SR 330
Continue on SR 330
Keep slight left at fork onto SR 330
At end of road, turn right onto SR 330
Continue on SR 330
Turn right onto SR 330
Turn left onto SR 61
Continue on SR 61
Merge onto US 27
Continue on US 27
Continue on US 27
Continue on US 27
Turn left
Merge onto I 40
Keep slight right at fork onto I 40
Keep slight right at fork onto I 24
Merge onto I 24
Continue on I 24
Take the exit onto I 24
Take the exit
Keep slight left at fork
Continue on TN 76
Turn right onto US 41A
Turn right onto US 41A
At end of road, turn left onto US 41A; SR 48
Turn left onto North 2nd Street
Arrive at destination
Given the 4-hour and 48-minute duration, this trip is easily accomplished in one day. To make the most of your drive, consider departing Fincastle in the morning to avoid potential afternoon traffic. With one recommended stop, plan it strategically for a meal or a break about halfway through your journey. Keep an eye on your fuel levels, especially before embarking on the 136.6-mile stretch on I-40, as services can be spaced out on long interstate segments.
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 48m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 120.1 miles or 2h 31m 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 56m
Traffic, exits, and arrival timing usually matter more near Clarksville, TN than in the middle of the route.
Open the route before leaving Fincastle, 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 Fincastle, TN
This is one driving day of about 240.2 miles and 4h 48m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 120.1 mi from Fincastle, TN · 2h 31m into the drive
Mid-route town
Meal stop
120 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 120.1 miles from Fincastle, TN, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 40 if your tank is already low. That segment runs about 136.6 miles.
The final approach into Clarksville, 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 Clarksville, TN.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$37.55 one way
$75.11 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $41.23 | $82.46 |
| premium | $4.89 | $46.22 | $92.45 |
| diesel | $5.61 | $53.03 | $106.07 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$38
Meals
$25–$50
Total
$63–$88
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 84 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $25 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 72.1 | 0 | $25.22 | $11.53 |
| Efficient EV | 60.1 | 0 | $21.02 | $9.61 |
| EV Truck/SUV | 96.1 | 1 | $33.63 | $15.37 |
Gas CO2
84 kg
EV CO2
28 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
Evening in Fincastle on Tuesday
Local time
8:00 PM
EDT
Current temp
75°F
Unavailable
Destination
Evening in Clarksville on Tuesday
Local time
7:00 PM
CDT
Current temp
63°F
Unavailable
61°F
Johnson, TN
120 mi in
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
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
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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