How far is Signal Mountain, TN from Knoxville, TN?

The driving distance from Signal Mountain, TN to Knoxville, TN is about 119.4 miles (192.1 km), with a travel time of about 01h 56m by car.

  • The straight-line flight distance is about 98.7 miles (158.9 km).
  • For a round trip, plan for roughly 03h 53m 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
119.35 mi
01h 56m
Flight
98.76 mi
158.94 km direct

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

Learn Distance

Choose another destination from Signal Mountain.

Flight Distance

Direct air line
98.76 mi
Kilometers
158.94 km
Flight Time
00h 11m

Driving Distance

Road route
119.35 mi
Kilometers
192.08 km
Drive Time
01h 56m

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 56m.

Arrival Snapshot
Arrive in Knoxville
Tue, May 12, 11:19 PM EDT
Return by in Signal Mountain
Wed, May 13, 1:16 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Signal Mountain
2026-05-12T21:22
Arrive Knoxville
Tue, May 12, 11:19 PM EDT
Route Timing
01h 56m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:57 AM to 11:57 AM EDT

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

Leave by
2:36 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Signal Mountain
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
Athens
TN

Town in Tennessee, United States

From Signal Mountain
59.6 mi
00h 58m
To Knoxville
59.8 mi
00h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
78°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
0 to 5 mph NE
Destination
75°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
0 mph

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Signal Mountain and Knoxville.

  1. 1

    Start on Mississippi Avenue

    58 m · 17 sec · Mississippi Avenue

  2. 2

    Turn sharp right onto Taft Highway

    92 m · 7 sec · Taft Highway

  3. 3

    Continue on Signal Mountain Boulevard

    3 mi · 4 min · Signal Mountain Boulevard

  4. 4

    Continue on Signal Mountain Road

    1.6 mi · 2 min · Signal Mountain Road

  5. 5

    Take the ramp slight right

    1828 ft · 45 sec

  6. 6

    Merge slight left

    3.3 mi · 4 min

  7. 7

    Keep slight left

    1273 ft · 20 sec

  8. 8

    Keep slight left to continue on I 24 East: Atlanta, Knoxville

    6.6 mi · 9 min

  9. 9

    Keep slight left to continue on I 75 North: Knoxville

    1.4 km · 1 min

  10. 10

    Merge slight left

    99.2 mi · 1 hr 50 min

  11. 11

    Keep slight left

    2.9 mi · 4 min

  12. 12

    Take the exit slight right toward Convention Center, East Tennessee History Center, Museum of Art

    2116 ft · 28 sec

  13. 13

    Keep slight left to continue on Convention Center, East Tennessee History Center, Museum of Art

    2403 ft · 56 sec

  14. 14

    Continue on Henley Street

    1238 ft · 27 sec · Henley Street

  15. 15

    Continue on Henley Street

    78 m · 12 sec · Henley Street

  16. 16

    Arrive at your destination

    0 m · 1 sec · Henley Street

Car Route Details

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

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
16 steps
1 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
13.4 / 100 mi
Decision points by distance
Main Roads
I 75 North
103 mi · 86%
I 24 East
6.58 mi · 6%
Signal Mountain Road
5.45 mi · 5%
Signal Mountain Boulevard
2.99 mi · 3%
Convention Center
0.86 mi · 1%
Henley Street
0.28 mi
Longest Stretch

I 75 North

Merge slight left

99.2 mi · 01h 50m

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
01h 56m
Day trip friendly
Same-Day Return
03h 54m
Round-trip wheel time
Road vs Air
+20.7 mi
98.7 mi direct line
Halfway Stop
Athens
00h 58m from Signal Mountain
Leave By
2:36 PM EDT
Morning start is best
Weather Watch

Sunny leaving Signal Mountain and Sunny near Knoxville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Signal Mountain to Knoxville?

The road trip is about 119.4 miles (192.1 km) and usually takes 01h 56m 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?

Athens is a useful midpoint, sitting about 59.6 miles from Signal Mountain and 59.8 miles from Knoxville.

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

The direct path is about 98.7 miles (158.9 km), while the road route adds roughly 20.7 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 2:36 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $15.88 one way or $31.75 round trip. Estimated CO2 is about 37.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Signal Mountain and Sunny near Knoxville.

Flight Path Map

This map shows the direct air route between Signal Mountain and Knoxville. Straight-line distance: 98.76 mi (158.94 km).

Signal Mountain

#1 Signal Mountain

Town in Hamilton County, Tennessee, United States

Population8,640
Coordinates35.1225700, -85.3438500
Altitude519
CountryUnited States
Knoxville

#2 Knoxville

The most populous city in Tennessee.

Population190,223
Coordinates35.9606400, -83.9207400
Altitude276
CountryUnited States
Start: Mississippi Avenue (-85.343922, 35.122299)
End: US 11 (-83.920795, 35.960617)

Estimated Travel Time

Distance: 192 km by road

SpeedTime
30 mph (48.3 km/h)03h 58m
40 mph (64.37 km/h)02h 59m
50 mph (80.47 km/h)02h 23m
60 mph (96.56 km/h)01h 59m
70 mph (112.65 km/h)01h 42m
80 mph (129 km/h)01h 29m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.21 gal
15.94 L · about $15.88
Round trip
$31.75
8.42 gal · 31.88 L
Estimated CO2
37.4 kg one way
Round trip: 74.8 kg / 165 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $15.88 $31.75
Mid-grade $4.25 $17.91 $35.81
Premium $4.65 $19.59 $39.19
Diesel $5.30 $22.33 $44.66

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 13, 2026

There is no time difference between Signal Mountain and Knoxville. The current time is 21:22:22.

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.