How far is Grant, TN from Signal Mountain, TN?
The driving distance from Grant, TN to Signal Mountain, TN is about 24.5 miles (39.5 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 13.2 miles (21.3 km).
- For a round trip, plan for roughly 01h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EST.
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.
This is an easy same-day return drive.
Flight Distance
Driving Distance
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 34m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Driving Route Map
The map below follows the saved road route between Grant and Signal Mountain.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grant and Signal Mountain.
-
1
Start on Grant Road
1.3 km · 3 min · Grant Road
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2
Turn left onto Mowbray Pike
5 mi · 12 min · Mowbray Pike
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3
Continue on Mountain Road
2916 ft · 1 min · Mountain Road
-
4
Turn right onto Dayton Pike
2883 ft · 1 min · Dayton Pike
-
5
Turn left onto Harrison Lane
830 ft · 24 sec · Harrison Lane
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6
Take the ramp right
1699 ft · 41 sec
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7
Merge slight left
12.7 mi · 15 min
-
8
Take the exit slight right toward US 127 North: Signal Mountain
1243 ft · 30 sec
-
9
Keep slight right
51 m · 7 sec
-
10
Turn right onto Signal Mountain Road
1.6 mi · 2 min · Signal Mountain Road
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11
Continue on Signal Mountain Boulevard
3.1 mi · 5 min · Signal Mountain Boulevard
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12
Turn sharp left onto Mississippi Avenue
58 m · 8 sec · Mississippi Avenue
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13
Arrive at your destination
0 m · 1 sec · Mississippi Avenue
Car Route Details
A richer read on the saved driving route between Grant and Signal Mountain.
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.
Harrison Lane
Merge slight left
12.7 mi · 00h 15m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Grant and Mostly Clear near Signal Mountain.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grant to Signal Mountain?
The road trip is about 24.5 miles (39.5 km) and usually takes 00h 34m 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?
Walden is a useful midpoint, sitting about 12.5 miles from Grant and 12.1 miles from Signal Mountain.
How much longer is the road route than the straight-line distance?
The direct path is about 13.2 miles (21.3 km), while the road route adds roughly 11.3 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 EST. If you want a more comfortable same-day return, try to leave by 7:22 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.20 one way or $6.41 round trip. Estimated CO2 is about 7.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Grant and Mostly Clear near Signal Mountain.
Flight Path Map
This map shows the direct air route between Grant and Signal Mountain. Straight-line distance: 13.24 mi (21.3 km).
#1 Grant
Grant is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.2925700, -85.2357900 |
| Altitude | 520 |
| Country | United States |
#2 Signal Mountain
Town in Hamilton County, Tennessee, United States
| Population | 8,640 |
| Coordinates | 35.1225700, -85.3438500 |
| Altitude | 519 |
| Country | United States |
End: Mississippi Avenue (-85.343922, 35.122299)
Estimated Travel Time
Distance: 40 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 49m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.68 | $3.20 | $6.41 |
| Mid-grade | $4.15 | $3.61 | $7.22 |
| Premium | $4.56 | $3.97 | $7.94 |
| Diesel | $5.90 | $5.13 | $10.26 |
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 · Nov 06, 2026