How far is Unicoi, TN from Clarksville, TN?

The driving distance from Unicoi, TN to Clarksville, TN is about 342.1 miles (550.6 km), with a travel time of about 05h 22m by car.

  • The straight-line flight distance is about 279.7 miles (450.1 km).
  • For a round trip, plan for roughly 10h 44m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
342.14 mi
05h 22m
Flight
279.67 mi
450.09 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Unicoi.

Flight Distance

Direct air line
279.67 mi
Kilometers
450.09 km
Flight Time
00h 33m

Driving Distance

Road route
342.14 mi
Kilometers
550.62 km
Drive Time
05h 22m

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 05h 22m.

Arrival Snapshot
Arrive in Clarksville
Thu, Apr 23, 12:53 PM CDT
Return by in Unicoi
Thu, Apr 23, 7:16 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Unicoi
2026-04-23T08:31
Arrive Clarksville
Thu, Apr 23, 1:53 PM EDT
Route Timing
05h 22m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:22 AM to 12:22 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:16 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Unicoi
9:00 PM EDT
Early departure recommended

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.

Mid-route stop
Crab Orchard
TN

Human settlement in Cumberland County, Tennessee, United States of America

From Unicoi
169.4 mi
02h 41m
To Clarksville
172.7 mi
02h 41m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 mph W
Destination
82°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
0 to 10 mph S

Driving Route Map

The map below follows the saved road route between Unicoi and Clarksville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Unicoi and Clarksville.

  1. 1

    Start on Unicoi Drive

    1.1 km · 1 min · Unicoi Drive

  2. 2

    Turn left

    1395 ft · 31 sec

  3. 3

    Take the ramp right

    1845 ft · 45 sec

  4. 4

    Merge slight left onto James H. Quillen Parkway

    23 mi · 27 min · James H. Quillen Parkway

  5. 5

    Take the exit slight right toward I 81 South: Knoxville

    1100 ft · 38 sec

  6. 6

    Merge slight left

    56.4 mi · 1 hr

  7. 7

    Continue on I 40 West: Knoxville

    1.1 km · 45 sec

  8. 8

    Merge slight left

    52.8 mi · 59 min

  9. 9

    Keep slight right to continue on Nashville

    154.8 mi · 2 hr 47 min

  10. 10

    Keep slight right to continue on I 24 West, I 40 West: Nashville

    2.1 mi · 3 min

  11. 11

    Keep slight right to continue on I 24 West: Clarksville, Louisville

    1725 ft · 28 sec

  12. 12

    Merge slight left onto Downtown Loop

    2.3 mi · 3 min · Downtown Loop

  13. 13

    Continue on I 24 West, I 65 North: Clarksville, Louisville

    2.1 mi · 3 min

  14. 14

    Take the exit slight left toward I 24 West: Clarksville

    33.9 mi · 37 min

  15. 15

    Take the exit slight right toward TN 76

    1680 ft · 41 sec

  16. 16

    Keep slight left

    86 m · 10 sec

  17. 17

    Continue straight

    3.4 mi · 4 min

  18. 18

    Turn right onto Madison Street

    4.7 mi · 8 min · Madison Street

  19. 19

    Turn right onto University Avenue

    1877 ft · 44 sec · University Avenue

  20. 20

    At the end of the road, turn left onto College Street

    1772 ft · 46 sec · College Street

  21. 21

    Turn left onto North 2nd Street

    41 m · 3 sec · North 2nd Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · North 2nd Street

Car Route Details

A richer read on the saved driving route between Unicoi and Clarksville.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
22 steps
5 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
6.4 / 100 mi
Decision points by distance
Main Roads
Nashville
155 mi · 45%
I 81 South
56.6 mi · 17%
I 40 West
53.5 mi · 16%
I 24 West
38.5 mi · 11%
James H. Quillen Parkway
23 mi · 7%
Madison Street
4.68 mi · 1%
Longest Stretch

Nashville

Keep slight right to continue on Nashville

155 mi · 02h 47m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 22m
Long day trip
Same-Day Return
10h 44m
Round-trip wheel time
Road vs Air
+62.4 mi
279.7 mi direct line
Halfway Stop
Crab Orchard
02h 41m from Unicoi
Leave By
6:16 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Unicoi and Sunny near Clarksville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Unicoi to Clarksville?

The road trip is about 342.1 miles (550.6 km) and usually takes 05h 22m 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?

Crab Orchard is a useful midpoint, sitting about 169.4 miles from Unicoi and 172.7 miles from Clarksville.

How much longer is the road route than the straight-line distance?

The direct path is about 279.7 miles (450.1 km), while the road route adds roughly 62.4 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 6:16 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $45.52 one way or $91.03 round trip. Estimated CO2 is about 107.3 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Unicoi and Clarksville, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Sunny around Unicoi and Sunny near Clarksville.

Flight Path Map

This map shows the direct air route between Unicoi and Clarksville. Straight-line distance: 279.67 mi (450.09 km).

Unicoi

#1 Unicoi

City in Unicoi County, Tennessee, United States of America

Population3,579
Coordinates36.1953900, -82.3495800
Altitude586
CountryUnited States
Clarksville

#2 Clarksville

The second most populous city in Tennessee.

Population161,247
Coordinates36.5297700, -87.3594500
Altitude145
CountryUnited States
Start: Erwin Highway (-82.349603, 36.195388)
End: North 2nd Street (-87.359454, 36.529769)

Estimated Travel Time

Distance: 551 km by road

SpeedTime
30 mph (48.3 km/h)11h 24m
40 mph (64.37 km/h)08h 33m
50 mph (80.47 km/h)06h 50m
60 mph (96.56 km/h)05h 42m
70 mph (112.65 km/h)04h 53m
80 mph (129 km/h)04h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.07 gal
45.7 L · about $45.52
Round trip
$91.03
24.14 gal · 91.4 L
Estimated CO2
107.3 kg one way
Round trip: 214.5 kg / 473 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $45.52 $91.03
Mid-grade $4.25 $51.33 $102.67
Premium $4.65 $56.17 $112.35
Diesel $5.30 $64.02 $128.04

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 · Apr 23, 2026

Please keep in mind that there is a 1 hour time gap between Unicoi, TN and Clarksville, TN. The current time in Unicoi is 08:31:38, although it is 07:31:38 in Clarksville.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.