How far is Chattanooga, TN from Somerville, TN?

The driving distance from Chattanooga, TN to Somerville, TN is about 275.5 miles (443.4 km), with a travel time of about 05h 31m by car.

  • The straight-line flight distance is about 228.7 miles (368 km).
  • For a round trip, plan for roughly 11h 03m 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
275.48 mi
05h 31m
Flight
228.66 mi
368 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
228.66 mi
Kilometers
368 km
Flight Time
00h 27m

Driving Distance

Road route
275.48 mi
Kilometers
443.35 km
Drive Time
05h 31m

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 05h 31m.

Arrival Snapshot
Arrive in Somerville
Thu, Apr 23, 11:15 AM CDT
Return by in Chattanooga
Thu, Apr 23, 5:47 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chattanooga
2026-04-23T06:43
Arrive Somerville
Thu, Apr 23, 12:15 PM EDT
Route Timing
05h 31m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:32 AM to 12:32 PM CDT

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

Leave by
5:56 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Chattanooga
9:00 PM EDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Lawrenceburg
TN

City in Indiana, USA

From Chattanooga
137.6 mi
02h 45m
To Somerville
137.9 mi
02h 45m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph S
Destination
83°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on West Martin Luther King Boulevard

    1761 ft · 56 sec · West Martin Luther King Boulevard

  2. 2

    Turn left

    1246 ft · 31 sec

  3. 3

    Merge slight left

    1.2 km · 59 sec

  4. 4

    Keep slight right to continue on 24: Nashville, Birmingham

    2222 ft · 42 sec

  5. 5

    Merge slight left

    44.7 mi · 51 min

  6. 6

    Take the exit slight right toward 41A: Monteagle, Sewanee

    990 ft · 27 sec

  7. 7

    Turn slight right

    15 m · 10 sec

  8. 8

    Turn left onto West Main Street

    1.6 mi · 2 min · West Main Street

  9. 9

    Continue on David Crockett Highway

    2171 ft · 37 sec · David Crockett Highway

  10. 10

    Continue on Sewanee Highway

    1.8 mi · 3 min · Sewanee Highway

  11. 11

    Continue on Sollace M Freeman Highway

    2 mi · 3 min · Sollace M Freeman Highway

  12. 12

    Continue on Sewanee Highway

    5 mi · 7 min · Sewanee Highway

  13. 13

    Continue on Cumberland Street East

    2.6 mi · 4 min · Cumberland Street East

  14. 14

    Continue on Cowan Highway

    1.8 mi · 3 min · Cowan Highway

  15. 15

    Take the ramp left

    1144 ft · 32 sec

  16. 16

    Merge slight left onto Veterans Memorial Drive

    3.6 mi · 4 min · Veterans Memorial Drive

  17. 17

    Continue on David Crockett Highway

    13.2 mi · 15 min · David Crockett Highway

  18. 18

    Continue on Winchester Highway

    16.8 mi · 19 min · Winchester Highway

  19. 19

    Continue on Mulberry Avenue

    2596 ft · 48 sec · Mulberry Avenue

  20. 20

    Continue on College Street East

    1.2 km · 1 min · College Street East

  21. 21

    Turn slight right onto Morgan Avenue North

    871 ft · 15 sec · Morgan Avenue North

  22. 22

    Continue on Washington Street West

    1.3 km · 1 min · Washington Street West

  23. 23

    Continue on Pulaski Highway

    31 mi · 35 min · Pulaski Highway

  24. 24

    Turn left onto West College Street

    1.2 km · 50 sec · West College Street

  25. 25

    Continue on Lawrenceburg Highway

    44.4 mi · 51 min · Lawrenceburg Highway

  26. 26

    Continue on Dexter L Woods Memorial Boulevard

    1.2 km · 57 sec · Dexter L Woods Memorial Boulevard

  27. 27

    Turn right

    31.1 mi · 36 min

  28. 28

    Turn slight left onto Hanna Boulevard

    159 m · 18 sec · Hanna Boulevard

  29. 29

    Turn right onto Water Street

    2874 ft · 1 min · Water Street

  30. 30

    At the end of the road, turn left onto Bridge Avenue

    4 mi · 6 min · Bridge Avenue

  31. 31

    Continue straight

    16.3 mi · 24 min

  32. 32

    Take the exit slight right

    102 m · 9 sec

  33. 33

    Turn right onto Mulberry Avenue

    1.5 mi · 3 min · Mulberry Avenue

  34. 34

    Continue on West Cherry Avenue

    22.4 mi · 26 min · West Cherry Avenue

  35. 35

    Continue on East Market Street

    24.7 mi · 28 min · East Market Street

  36. 36

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
36 steps
10 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
13.1 / 100 mi
Decision points by distance
Main Roads
24
45.2 mi · 16%
Lawrenceburg Highway
44.4 mi · 16%
Pulaski Highway
31 mi · 11%
East Market Street
24.7 mi · 9%
West Cherry Avenue
22.4 mi · 8%
Bridge Avenue
20.4 mi · 7%
Longest Stretch

24

Merge slight left

44.7 mi · 00h 51m

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
05h 31m
Long day trip
Same-Day Return
11h 04m
Round-trip wheel time
Road vs Air
+46.8 mi
228.7 mi direct line
Halfway Stop
Lawrenceburg
02h 45m from Chattanooga
Leave By
5:56 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Chattanooga and Mostly Sunny near Somerville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 275.5 miles (443.4 km) and usually takes 05h 31m 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?

Lawrenceburg is a useful midpoint, sitting about 137.6 miles from Chattanooga and 137.9 miles from Somerville.

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

The direct path is about 228.7 miles (368 km), while the road route adds roughly 46.8 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 5:56 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $36.65 one way or $73.31 round trip. Estimated CO2 is about 86.4 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Chattanooga and Somerville, so arrival and return times should be read in local time.

What should you check before leaving?

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

Stop Ideas Near Lawrenceburg

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Lawrenceburg, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Lawrenceburg.

BUS

Nashville, TN

113 mi away
705 5th Avenue South

Flight Path Map

This map shows the direct air route between Chattanooga and Somerville. Straight-line distance: 228.66 mi (368 km).

Chattanooga

#1 Chattanooga

The fourth most populous city in Tennessee.

Population184,742
Coordinates35.0456300, -85.3096800
Altitude206
CountryUnited States
Somerville

#2 Somerville

Town in Tennessee, United States

Population3,248
Coordinates35.2437000, -89.3500700
Altitude121
CountryUnited States
Start: Chattanooga (-85.30968, 35.04563)
End: Somerville (-89.35007, 35.2437)

Estimated Travel Time

Distance: 443 km by road

SpeedTime
30 mph (48.3 km/h)09h 10m
40 mph (64.37 km/h)06h 53m
50 mph (80.47 km/h)05h 30m
60 mph (96.56 km/h)04h 35m
70 mph (112.65 km/h)03h 56m
80 mph (129 km/h)03h 26m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.72 gal
36.8 L · about $36.65
Round trip
$73.31
19.44 gal · 73.6 L
Estimated CO2
86.4 kg one way
Round trip: 172.8 kg / 381 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $36.65 $73.31
Mid-grade $4.25 $41.34 $82.68
Premium $4.65 $45.24 $90.47
Diesel $5.30 $51.55 $103.11

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 Chattanooga, TN and Somerville, TN. The current time in Chattanooga is 06:43:36, although it is 05:43:36 in Somerville.

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.