How far is Smithville, TN from Chattanooga, TN?

The driving distance from Smithville, TN to Chattanooga, TN is about 93.4 miles (150.3 km), with a travel time of about 01h 43m by car.

  • The straight-line flight distance is about 69.3 miles (111.5 km).
  • For a round trip, plan for roughly 03h 27m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
93.4 mi
01h 43m
Flight
69.3 mi
111.52 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Smithville.

Flight Distance

Direct air line
69.3 mi
Kilometers
111.52 km
Flight Time
00h 08m

Driving Distance

Road route
93.4 mi
Kilometers
150.31 km
Drive Time
01h 43m

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 01h 43m.

Arrival Snapshot
Arrive in Chattanooga
Thu, Apr 23, 12:47 AM EDT
Return by in Smithville
Thu, Apr 23, 1:31 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Smithville
2026-04-22T22:03
Arrive Chattanooga
Wed, Apr 22, 11:47 PM CDT
Route Timing
01h 43m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:44 AM to 12:44 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:02 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Smithville
9:30 PM CDT
Morning start is best

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
Dunlap
TN

City in Tennessee, USA

From Smithville
46.6 mi
00h 51m
To Chattanooga
46.8 mi
00h 51m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
78°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
5 to 10 mph WSW
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 Smithville and Chattanooga.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on West Market Street

    727 ft · 34 sec · West Market Street

  2. 2

    Turn right onto South 1st Street

    89 m · 18 sec · South 1st Street

  3. 3

    Turn left onto East Webb Street

    52 m · 10 sec · East Webb Street

  4. 4

    Turn right onto Congress Boulevard

    1.9 mi · 3 min · Congress Boulevard

  5. 5

    Continue on McMinnville Highway

    6 mi · 8 min · McMinnville Highway

  6. 6

    Continue on Smithville Highway

    10.9 mi · 15 min · Smithville Highway

  7. 7

    Continue on North Chancery Street

    1 mi · 2 min · North Chancery Street

  8. 8

    Turn left onto West Colville Street

    2452 ft · 42 sec · West Colville Street

  9. 9

    Continue on Beersheba Highway

    1.3 mi · 2 min · Beersheba Highway

  10. 10

    Turn slight left onto Harrison Ferry Road

    12.3 mi · 17 min · Harrison Ferry Road

  11. 11

    Continue on State Highway 8

    7.3 mi · 10 min · State Highway 8

  12. 12

    At the end of the road, turn right

    12.6 mi · 17 min

  13. 13

    Continue straight

    11.5 mi · 14 min

  14. 14

    Continue straight

    5.9 mi · 7 min

  15. 15

    Merge slight right

    21.2 mi · 25 min

  16. 16

    Take the exit slight right toward Downtown

    1176 ft · 40 sec

  17. 17

    Turn straight onto West Martin Luther King Boulevard

    1541 ft · 45 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 Smithville 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
7 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
19.3 / 100 mi
Decision points by distance
Main Roads
State Highway 8
46 mi · 49%
Harrison Ferry Road
12.3 mi · 13%
Smithville Highway
10.9 mi · 12%
McMinnville Highway
5.97 mi · 6%
Congress Boulevard
1.9 mi · 2%
Beersheba Highway
1.26 mi · 1%
Longest Stretch

State Highway 8

Merge slight right

21.2 mi · 00h 25m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 43m
Day trip friendly
Same-Day Return
03h 28m
Round-trip wheel time
Road vs Air
+24.1 mi
69.3 mi direct line
Halfway Stop
Dunlap
00h 51m from Smithville
Leave By
3:02 PM CDT
Morning start is best
Weather Watch

Sunny leaving Smithville and Sunny near Chattanooga.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 93.4 miles (150.3 km) and usually takes 01h 43m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Dunlap is a useful midpoint, sitting about 46.6 miles from Smithville and 46.8 miles from Chattanooga.

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

The direct path is about 69.3 miles (111.5 km), while the road route adds roughly 24.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:02 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.44 one way or $24.89 round trip. Estimated CO2 is about 29.3 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Smithville 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 Smithville and Sunny near Chattanooga.

Flight Path Map

This map shows the direct air route between Smithville and Chattanooga. Straight-line distance: 69.3 mi (111.52 km).

Photo coming soon

#1 Smithville

City in Tennessee

Population4,978
Coordinates35.9606200, -85.8141500
Altitude316
CountryUnited States
Chattanooga

#2 Chattanooga

The fourth most populous city in Tennessee.

Population184,742
Coordinates35.0456300, -85.3096800
Altitude206
CountryUnited States
Start: West Market Street (-85.814161, 35.960517)
End: West Martin Luther King Boulevard (-85.309688, 35.045753)

Estimated Travel Time

Distance: 150 km by road

SpeedTime
30 mph (48.3 km/h)03h 06m
40 mph (64.37 km/h)02h 20m
50 mph (80.47 km/h)01h 52m
60 mph (96.56 km/h)01h 33m
70 mph (112.65 km/h)01h 20m
80 mph (129 km/h)01h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.3 gal
12.48 L · about $12.44
Round trip
$24.89
6.6 gal · 24.96 L
Estimated CO2
29.3 kg one way
Round trip: 58.7 kg / 129 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $12.44 $24.89
Mid-grade $4.25 $14.03 $28.07
Premium $4.65 $15.36 $30.72
Diesel $5.30 $17.50 $35.01

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 23, 2026

Please keep in mind that there is a 1 hour time gap between Smithville, TN and Chattanooga, TN. The current time in Smithville is 22:03:58, although it is 23:03:58 in Chattanooga.

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.