How far is Knoxville, TN from Unicoi, TN?

The driving distance from Knoxville, TN to Unicoi, TN is about 115.2 miles (185.4 km), with a travel time of about 02h 09m by car.

  • The straight-line flight distance is about 89.2 miles (143.6 km).
  • For a round trip, plan for roughly 04h 18m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
115.2 mi
02h 09m
Flight
89.22 mi
143.59 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Knoxville.

Flight Distance

Direct air line
89.22 mi
Kilometers
143.59 km
Flight Time
00h 10m

Driving Distance

Road route
115.2 mi
Kilometers
185.4 km
Drive Time
02h 09m

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 02h 09m.

Arrival Snapshot
Arrive in Unicoi
Thu, Apr 23, 12:12 PM EDT
Return by in Knoxville
Thu, Apr 23, 2:22 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Knoxville
2026-04-23T10:03
Arrive Unicoi
Thu, Apr 23, 12:12 PM EDT
Route Timing
02h 09m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:09 AM to 12:09 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:12 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Knoxville
9:30 PM EDT
Morning start is best

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
Bulls Gap
TN

Town in Hawkins County, Tennessee, United States

From Knoxville
57.5 mi
01h 04m
To Unicoi
57.7 mi
01h 04m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph SW
Destination
72°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Henley Street

    1056 ft · 20 sec · Henley Street

  2. 2

    Take the exit straight toward I 40, I 275 North: Nashville, Asheville, Lexington

    1301 ft · 32 sec

  3. 3

    Keep slight right to continue on I 40 East: Asheville

    2104 ft · 51 sec

  4. 4

    Merge slight left

    33.2 mi · 37 min

  5. 5

    Keep slight left to continue on I 81 North: Bristol

    56.6 mi · 1 hr 1 min

  6. 6

    Take the exit slight right toward I 26 East, US 23 South: Johnson City, Asheville

    2112 ft · 40 sec

  7. 7

    Merge slight left onto James H. Quillen Parkway

    22.7 mi · 27 min · James H. Quillen Parkway

  8. 8

    Take the exit slight right toward TN 173

    1599 ft · 45 sec

  9. 9

    Turn left

    2073 ft · 44 sec

  10. 10

    At the end of the road, turn right onto Unicoi Drive

    1.1 km · 1 min · Unicoi Drive

  11. 11

    Arrive at your destination

    0 m · 1 sec · Unicoi Drive

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
11 steps
2 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
9.5 / 100 mi
Decision points by distance
Main Roads
I 81 North
56.6 mi · 49%
I 40 East
33.6 mi · 29%
James H. Quillen Parkway
22.7 mi · 20%
Unicoi Drive
0.69 mi · 1%
I 26 East
0.4 mi
TN 173
0.3 mi
Longest Stretch

I 81 North

Keep slight left to continue on I 81 North: Bristol

56.6 mi · 01h 01m

Route Summary

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

Trip Read

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.

Drive Time
02h 09m
Day trip friendly
Same-Day Return
04h 18m
Round-trip wheel time
Road vs Air
+26 mi
89.2 mi direct line
Halfway Stop
Bulls Gap
01h 04m from Knoxville
Leave By
2:12 PM EDT
Morning start is best
Weather Watch

Sunny leaving Knoxville and Sunny near Unicoi.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 115.2 miles (185.4 km) and usually takes 02h 09m 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?

Bulls Gap is a useful midpoint, sitting about 57.5 miles from Knoxville and 57.7 miles from Unicoi.

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

The direct path is about 89.2 miles (143.6 km), while the road route adds roughly 26 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 2:12 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $15.35 one way or $30.70 round trip. Estimated CO2 is about 36.2 kg one way.

What should you check before leaving?

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

Flight Path Map

This map shows the direct air route between Knoxville and Unicoi. Straight-line distance: 89.22 mi (143.59 km).

Knoxville

#1 Knoxville

The most populous city in Tennessee.

Population190,223
Coordinates35.9606400, -83.9207400
Altitude276
CountryUnited States
Unicoi

#2 Unicoi

City in Unicoi County, Tennessee, United States of America

Population3,579
Coordinates36.1953900, -82.3495800
Altitude586
CountryUnited States
Start: Knoxville (-83.92074, 35.96064)
End: Unicoi (-82.34958, 36.19539)

Estimated Travel Time

Distance: 185 km by road

SpeedTime
30 mph (48.3 km/h)03h 50m
40 mph (64.37 km/h)02h 52m
50 mph (80.47 km/h)02h 18m
60 mph (96.56 km/h)01h 55m
70 mph (112.65 km/h)01h 38m
80 mph (129 km/h)01h 26m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.07 gal
15.39 L · about $15.35
Round trip
$30.70
8.14 gal · 30.78 L
Estimated CO2
36.2 kg one way
Round trip: 72.3 kg / 159 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $15.35 $30.70
Mid-grade $4.25 $17.31 $34.62
Premium $4.65 $18.94 $37.88
Diesel $5.30 $21.59 $43.17

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

There is no time difference between Knoxville and Unicoi. The current time is 10:03:38.

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.