How far is Troy, TN from Chattanooga, TN?
The driving distance from Troy, TN to Chattanooga, TN is about 301.3 miles (484.9 km), with a travel time of about 04h 51m by car.
- The straight-line flight distance is about 234 miles (376.6 km).
- For a round trip, plan for roughly 09h 43m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 04h 51m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Human settlement in Dickson County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Troy and Chattanooga.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy and Chattanooga.
-
1
Start on Main Street
20 m · 6 sec · Main Street
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2
Turn left onto West Harper Street
2012 ft · 42 sec · West Harper Street
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3
At the end of the road, turn left
7.3 mi · 11 min
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4
Keep slight right to continue on West Reelfoot Avenue
3.7 mi · 7 min · West Reelfoot Avenue
-
5
Take the ramp slight right
1.3 km · 2 min
-
6
Keep slight right to continue on TN 22 South: Martin
1160 ft · 28 sec
-
7
Merge slight left
12.8 mi · 14 min
-
8
Keep slight left to continue on TN 22 South: Dresden
31.4 mi · 41 min
-
9
Continue straight
119 m · 9 sec
-
10
Turn right onto Veterans Drive North
1.5 mi · 2 min · Veterans Drive North
-
11
Turn left
2.1 mi · 3 min
-
12
Turn right onto Lexington Street
1.9 mi · 3 min · Lexington Street
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13
Turn right
6.5 mi · 9 min
-
14
Continue on Lexington Clarksburg Road
1009 ft · 21 sec · Lexington Clarksburg Road
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15
Continue straight
5.4 mi · 8 min
-
16
Take the exit left toward Primary SR 22: Parkers Crossroad, Lexington, Huntingdon
1179 ft · 25 sec
-
17
Merge slight left
68 mi · 1 hr 13 min
-
18
Take the exit slight right toward I 840 East: Knoxville, Franklin
1.1 km · 1 min
-
19
Merge slight left onto Tennessee National Guard Parkway
52.2 mi · 56 min · Tennessee National Guard Parkway
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20
Take the exit slight right toward I 24 East: Chattanooga
1.3 km · 2 min
-
21
Merge slight left
103.1 mi · 1 hr 55 min
-
22
Take the exit slight right toward US 27 North: Downtown Chattanooga
2163 ft · 47 sec
-
23
Continue straight
1.2 km · 60 sec
-
24
Take the exit slight right toward Downtown
1123 ft · 26 sec
-
25
Turn right onto West Martin Luther King Boulevard
897 ft · 30 sec · West Martin Luther King Boulevard
-
26
Arrive at your destination
0 m · 1 sec · West Martin Luther King Boulevard
Car Route Details
A richer read on the saved driving route between Troy and Chattanooga.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 24 East
Merge slight left
103 mi · 01h 55m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Troy and Sunny near Chattanooga.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Troy to Chattanooga?
The road trip is about 301.3 miles (484.9 km) and usually takes 04h 51m 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?
Burns is a useful midpoint, sitting about 150.3 miles from Troy and 151 miles from Chattanooga.
How much longer is the road route than the straight-line distance?
The direct path is about 234 miles (376.6 km), while the road route adds roughly 67.3 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:16 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.09 one way or $80.17 round trip. Estimated CO2 is about 94.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Troy and Chattanooga, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Troy and Sunny near Chattanooga.
Stop Ideas Near Burns
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Burns.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Troy and Chattanooga. Straight-line distance: 233.98 mi (376.56 km).
#1 Troy
Town in Tennessee, United States
| Population | 1,328 |
| Coordinates | 36.3386800, -89.1639600 |
| Altitude | 115 |
| Country | United States |
#2 Chattanooga
The fourth most populous city in Tennessee.
| Population | 184,742 |
| Coordinates | 35.0456300, -85.3096800 |
| Altitude | 206 |
| Country | United States |
End: West Martin Luther King Boulevard (-85.309688, 35.045753)
Estimated Travel Time
Distance: 485 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 02m |
| 40 mph (64.37 km/h) | 07h 32m |
| 50 mph (80.47 km/h) | 06h 01m |
| 60 mph (96.56 km/h) | 05h 01m |
| 70 mph (112.65 km/h) | 04h 18m |
| 80 mph (129 km/h) | 03h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $40.09 | $80.17 |
| Mid-grade | $4.25 | $45.21 | $90.42 |
| Premium | $4.65 | $49.47 | $98.94 |
| Diesel | $5.30 | $56.38 | $112.76 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.