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

The driving distance from Signal Mountain, TN to Collegedale, TN is about 27.1 miles (43.6 km), with a travel time of about 00h 35m by car.

  • The straight-line flight distance is about 17.3 miles (27.8 km).
  • For a round trip, plan for roughly 01h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
27.07 mi
00h 35m
Flight
17.28 mi
27.81 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Signal Mountain.

Flight Distance

Direct air line
17.28 mi
Kilometers
27.81 km
Flight Time
00h 02m

Driving Distance

Road route
27.07 mi
Kilometers
43.57 km
Drive Time
00h 35m

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 00h 35m.

Arrival Snapshot
Arrive in Collegedale
Tue, May 12, 10:34 PM EDT
Return by in Signal Mountain
Tue, May 12, 11:09 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Signal Mountain
2026-05-12T21:59
Arrive Collegedale
Tue, May 12, 10:34 PM EDT
Route Timing
00h 35m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:35 AM to 7:35 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:20 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Signal Mountain
10:00 PM EDT
Flexible departure

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
East Ridge
TN

City in Hamilton County, Tennessee, United States of America

From Signal Mountain
13.5 mi
00h 17m
To Collegedale
13.5 mi
00h 17m

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
78°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
0 to 5 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    6.8 mi · 9 min

  11. 11

    Take the exit slight right toward SR 317: Collegedale, Volkswagen Drive

    1928 ft · 33 sec

  12. 12

    Continue on Apison Pike

    3 mi · 6 min · Apison Pike

  13. 13

    Continue on Apison Pike

    1.3 km · 1 min · Apison Pike

  14. 14

    Turn right onto Colcord Drive

    21 m · 3 sec · Colcord Drive

  15. 15

    Arrive at your destination

    0 m · 1 sec · Colcord Drive

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
15 steps
2 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
55.4 / 100 mi
Decision points by distance
Main Roads
I 75 North
7.7 mi · 28%
I 24 East
6.58 mi · 24%
Signal Mountain Road
5.45 mi · 20%
Apison Pike
3.85 mi · 14%
Signal Mountain Boulevard
2.99 mi · 11%
SR 317
0.37 mi · 1%
Longest Stretch

I 75 North

Merge slight left

6.8 mi · 00h 09m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 35m
Quick drive
Same-Day Return
01h 10m
Round-trip wheel time
Road vs Air
+9.8 mi
17.3 mi direct line
Halfway Stop
East Ridge
00h 17m from Signal Mountain
Leave By
7:20 PM EDT
Flexible departure
Weather Watch

Sunny leaving Signal Mountain and Sunny near Collegedale.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 27.1 miles (43.6 km) and usually takes 00h 35m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

East Ridge is a useful midpoint, sitting about 13.5 miles from Signal Mountain and 13.5 miles from Collegedale.

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

The direct path is about 17.3 miles (27.8 km), while the road route adds roughly 9.8 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:20 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.62 one way or $7.24 round trip. Estimated CO2 is about 8.5 kg one way.

What should you check before leaving?

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

Flight Path Map

This map shows the direct air route between Signal Mountain and Collegedale. Straight-line distance: 17.28 mi (27.81 km).

Signal Mountain

#1 Signal Mountain

Town in Hamilton County, Tennessee, United States

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

#2 Collegedale

City in Hamilton County, Tennessee, United States of America

Population11,400
Coordinates35.0531300, -85.0502300
Altitude239
CountryUnited States
Start: Mississippi Avenue (-85.343922, 35.122299)
End: Industrial Drive (-85.049988, 35.053092)

Estimated Travel Time

Distance: 44 km by road

SpeedTime
30 mph (48.3 km/h)00h 54m
40 mph (64.37 km/h)00h 40m
50 mph (80.47 km/h)00h 32m
60 mph (96.56 km/h)00h 27m
70 mph (112.65 km/h)00h 23m
80 mph (129 km/h)00h 20m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.96 gal
3.62 L · about $3.62
Round trip
$7.24
1.92 gal · 7.24 L
Estimated CO2
8.5 kg one way
Round trip: 17.1 kg / 38 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $3.62 $7.24
Mid-grade $4.25 $4.08 $8.17
Premium $4.65 $4.47 $8.94
Diesel $5.30 $5.09 $10.18

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 Collegedale. The current time is 21:59:23.

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.