How far is Chattanooga, TN from Gray, TN?

The driving distance from Chattanooga, TN to Gray, TN is about 206.8 miles (332.8 km), with a travel time of about 03h 53m by car.

  • The straight-line flight distance is about 185.1 miles (297.9 km).
  • For a round trip, plan for roughly 07h 47m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
206.79 mi
03h 53m
Flight
185.09 mi
297.88 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Chattanooga.

Flight Distance

Direct air line
185.09 mi
Kilometers
297.88 km
Flight Time
00h 22m

Driving Distance

Road route
206.79 mi
Kilometers
332.8 km
Drive Time
03h 53m

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 03h 53m.

Arrival Snapshot
Arrive in Gray
Sat, Nov 7, 5:15 PM EST
Return by in Chattanooga
Sat, Nov 7, 9:09 PM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chattanooga
2026-11-07T13:21
Arrive Gray
Sat, Nov 7, 5:15 PM EST
Route Timing
03h 53m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EST
Leave early for more breathing room
Arrive between
9:54 AM to 11:54 AM EST

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:12 AM EST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Chattanooga
9:00 PM EST
Early departure recommended

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
Brentwood
TN

A city in Williamson County, Tennessee.

From Chattanooga
103.3 mi
01h 56m
To Gray
103.5 mi
01h 56m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
43°F
Overnight

Mostly Clear

Starts
Sat, Nov 7 12:00 AM EST
Wind
5 to 10 mph N
Destination
57°F
Saturday

Sunny

Starts
Sat, Nov 7 6:00 AM EST
Wind
0 to 5 mph NW

Driving Route Map

The map below follows the saved road route between Chattanooga and Gray.

Turn-by-Turn Driving Directions

Step-by-step road directions between Chattanooga and Gray.

  1. 1

    Start on West Martin Luther King Boulevard

    24 m · 6 sec · West Martin Luther King Boulevard

  2. 2

    Turn right onto Market Street

    1.2 mi · 3 min · Market Street

  3. 3

    Turn left

    1378 ft · 23 sec

  4. 4

    Merge slight left

    5.8 mi · 8 min

  5. 5

    Keep slight left to continue on I 75 North: Knoxville

    1.4 km · 1 min

  6. 6

    Merge slight left

    99.2 mi · 1 hr 50 min

  7. 7

    Keep slight left

    36.7 mi · 41 min

  8. 8

    Keep slight left to continue on I 81 North: Bristol

    56.6 mi · 1 hr 1 min

  9. 9

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

    2112 ft · 40 sec

  10. 10

    Merge slight left onto James H. Quillen Parkway

    3.9 mi · 5 min · James H. Quillen Parkway

  11. 11

    Take the exit slight right toward SR 75: Gray

    858 ft · 21 sec

  12. 12

    Keep slight left to continue on SR 75 North: Gray

    2220 ft · 54 sec

  13. 13

    Turn right onto Suncrest Drive

    2423 ft · 57 sec · Suncrest Drive

  14. 14

    Turn left onto Old Gray Station Road

    1860 ft · 53 sec · Old Gray Station Road

  15. 15

    Continue on Gray Station Road

    781 ft · 27 sec · Gray Station Road

  16. 16

    Turn left onto Maple Drive

    527 ft · 25 sec · Maple Drive

  17. 17

    Turn right onto Oak Street

    98 m · 14 sec · Oak Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · Oak Street

Car Route Details

A richer read on the saved driving route between Chattanooga and Gray.

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
18 steps
6 turns on the saved route
Ramps & Exits
5
3 merges, 2 ramps or exits
Navigation Density
8.7 / 100 mi
Decision points by distance
Main Roads
I 75 North
137 mi · 66%
I 81 North
56.6 mi · 27%
Market Street
7.02 mi · 3%
James H. Quillen Parkway
3.94 mi · 2%
Suncrest Drive
0.46 mi
SR 75 North
0.42 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 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.

Drive Time
03h 53m
Long day trip
Same-Day Return
07h 48m
Round-trip wheel time
Road vs Air
+21.7 mi
185.1 mi direct line
Halfway Stop
Brentwood
01h 56m from Chattanooga
Leave By
9:12 AM EST
Early departure recommended
Weather Watch

Mostly Clear leaving Chattanooga and Sunny near Gray.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Chattanooga to Gray?

The road trip is about 206.8 miles (332.8 km) and usually takes 03h 53m 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?

Brentwood is a useful midpoint, sitting about 103.3 miles from Chattanooga and 103.5 miles from Gray.

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

The direct path is about 185.1 miles (297.9 km), while the road route adds roughly 21.7 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 6:00 AM to 8:00 AM EST. If you want a more comfortable same-day return, try to leave by 9:12 AM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $26.67 one way or $53.35 round trip. Estimated CO2 is about 64.9 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Clear around Chattanooga and Sunny near Gray.

Flight Path Map

This map shows the direct air route between Chattanooga and Gray. Straight-line distance: 185.09 mi (297.88 km).

Chattanooga

#1 Chattanooga

The fourth most populous city in Tennessee.

Population184,742
Coordinates35.0456300, -85.3096800
Altitude206
CountryUnited States
Photo coming soon

#2 Gray

Gray is a place in Tennessee, United States.

Population0
Coordinates36.4198300, -82.4765400
Altitude480
CountryUnited States
Start: Chattanooga (-85.30968, 35.04563)
End: Gray (-82.47654, 36.41983)

Estimated Travel Time

Distance: 333 km by road

SpeedTime
30 mph (48.3 km/h)06h 53m
40 mph (64.37 km/h)05h 10m
50 mph (80.47 km/h)04h 08m
60 mph (96.56 km/h)03h 26m
70 mph (112.65 km/h)02h 57m
80 mph (129 km/h)02h 34m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.3 gal
27.62 L · about $26.67
Round trip
$53.35
14.6 gal · 55.24 L
Estimated CO2
64.9 kg one way
Round trip: 129.8 kg / 286 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.65 $26.67 $53.35
Mid-grade $4.13 $30.13 $60.25
Premium $4.55 $33.19 $66.37
Diesel $5.88 $42.89 $85.77

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 07, 2026

There is no time difference between Chattanooga and Gray. The current time is 13:21:53.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.