How far is Walnut Hill, TN from Chattanooga, TN?

The driving distance from Walnut Hill, TN to Chattanooga, TN is about 221.1 miles (355.9 km), with a travel time of about 03h 27m by car.

  • The straight-line flight distance is about 200.9 miles (323.3 km).
  • For a round trip, plan for roughly 06h 55m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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
221.17 mi
03h 27m
Flight
200.86 mi
323.26 km direct

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

Learn Distance

Choose another destination from Walnut Hill.

Flight Distance

Direct air line
200.86 mi
Kilometers
323.26 km
Flight Time
00h 24m

Driving Distance

Road route
221.17 mi
Kilometers
355.94 km
Drive Time
03h 27m

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 27m.

Arrival Snapshot
Arrive in Chattanooga
Wed, Apr 22, 10:55 PM EDT
Return by in Walnut Hill
Thu, Apr 23, 2:23 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Walnut Hill
2026-04-22T19:27
Arrive Chattanooga
Wed, Apr 22, 10:55 PM EDT
Route Timing
03h 27m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:28 AM to 11:28 AM EDT

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

Leave by
10:04 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Walnut Hill
9:00 PM EDT
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
Knoxville
TN

The most populous city in Tennessee.

From Walnut Hill
109.8 mi
01h 43m
To Chattanooga
111.3 mi
01h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 to 10 mph W
Destination
81°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
0 to 5 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Walnut Hill and Chattanooga.

  1. 1

    Start on Walnut Hill Road

    13 m · 3 sec · Walnut Hill Road

  2. 2

    Turn right onto Blountville Highway

    1.1 mi · 2 min · Blountville Highway

  3. 3

    Continue on Bristol Highway

    3.2 mi · 5 min · Bristol Highway

  4. 4

    Exit the roundabout onto Bristol Highway

    2453 ft · 46 sec · Bristol Highway

  5. 5

    Turn right onto Tennessee Ernie Ford Parkway

    1 mi · 2 min · Tennessee Ernie Ford Parkway

  6. 6

    Turn left onto I 81 South

    1796 ft · 46 sec

  7. 7

    Merge slight left

    68.5 mi · 1 hr 13 min

  8. 8

    Continue on I 40 West: Knoxville

    1.1 km · 45 sec

  9. 9

    Merge slight left

    52.8 mi · 59 min

  10. 10

    Keep slight left to continue on I 75 South: Chattanooga

    83.1 mi · 1 hr 31 min

  11. 11

    Take the exit slight right toward I 24 West: Chattanooga, Nashville

    1.1 km · 56 sec

  12. 12

    Continue on Chattanooga, Nashville

    5.8 mi · 8 min

  13. 13

    Take the exit slight right toward US 27 North: Downtown, Lookout Mountain

    999 ft · 15 sec

  14. 14

    Keep slight left to continue on US 27 North: Downtown, Lookout Mountain

    1018 ft · 16 sec

  15. 15

    Keep slight left

    1.4 mi · 2 min

  16. 16

    Take the exit slight right toward Downtown

    1123 ft · 26 sec

  17. 17

    Turn right onto West Martin Luther King Boulevard

    897 ft · 30 sec · West Martin Luther King Boulevard

  18. 18

    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 Walnut Hill and Chattanooga.

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
5 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
8.1 / 100 mi
Decision points by distance
Main Roads
I 75 South
83.1 mi · 38%
I 81 South
68.8 mi · 31%
I 40 West
53.5 mi · 24%
I 24 West
6.44 mi · 3%
Bristol Highway
3.62 mi · 2%
US 27 North
1.74 mi · 1%
Longest Stretch

I 75 South

Keep slight left to continue on I 75 South: Chattanooga

83.1 mi · 01h 31m

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 27m
Long day trip
Same-Day Return
06h 56m
Round-trip wheel time
Road vs Air
+20.2 mi
200.9 mi direct line
Halfway Stop
Knoxville
01h 43m from Walnut Hill
Leave By
10:04 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Walnut Hill and Sunny near Chattanooga.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Walnut Hill to Chattanooga?

The road trip is about 221.1 miles (355.9 km) and usually takes 03h 27m 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?

Knoxville is a useful midpoint, sitting about 109.8 miles from Walnut Hill and 111.3 miles from Chattanooga.

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

The direct path is about 200.9 miles (323.3 km), while the road route adds roughly 20.2 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 EDT. If you want a more comfortable same-day return, try to leave by 10:04 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $29.41 one way or $58.83 round trip. Estimated CO2 is about 69.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Walnut Hill and Sunny near Chattanooga.

Flight Path Map

This map shows the direct air route between Walnut Hill and Chattanooga. Straight-line distance: 200.86 mi (323.26 km).

Walnut Hill

#1 Walnut Hill

City in Illinois, United States of America

Population2,394
Coordinates36.5698300, -82.2568000
Altitude490
CountryUnited States
Chattanooga

#2 Chattanooga

The fourth most populous city in Tennessee.

Population184,742
Coordinates35.0456300, -85.3096800
Altitude206
CountryUnited States
Start: Walnut Hill Road (-82.256798, 36.569831)
End: West Martin Luther King Boulevard (-85.309688, 35.045753)

Estimated Travel Time

Distance: 356 km by road

SpeedTime
30 mph (48.3 km/h)07h 22m
40 mph (64.37 km/h)05h 31m
50 mph (80.47 km/h)04h 25m
60 mph (96.56 km/h)03h 41m
70 mph (112.65 km/h)03h 09m
80 mph (129 km/h)02h 45m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.8 gal
29.54 L · about $29.41
Round trip
$58.83
15.6 gal · 59.08 L
Estimated CO2
69.3 kg one way
Round trip: 138.6 kg / 306 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $29.41 $58.83
Mid-grade $4.25 $33.17 $66.35
Premium $4.65 $36.30 $72.60
Diesel $5.30 $41.37 $82.74

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 · Apr 22, 2026

There is no time difference between Walnut Hill and Chattanooga. The current time is 19:27:38.

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.