Origin
Watertown, TN
Morning in Watertown on Tuesday
Local time
6:45 AM
CDT
Current temp
57°F
Unavailable
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
2h 37m
Distance
115.9 mi
187 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$18
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Watertown, TN
Kelly
Chattanooga, TN
Wikimedia Commons
Watertown, TN to Chattanooga, TN is 115.9 miles and takes about 2h 37m via US 27 and Nashville Highway, with a fuel budget near $18 and enough daylight to finish in a day. This trip stays within Tennessee, moving from the Southeast region to the Southeast region. Expect a mix of highway and surface roads, making it a straightforward drive. With a recommended one-day trip duration, you'll have plenty of time to get there and back or continue your travels.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
58 miles from Watertown, TN
A natural place for your longest stop of the day , about 1h 24m into the drive .
| Road | Distance | Duration |
|---|---|---|
| US 27 | 21.2 mi | 25m |
| Nashville Highway | 13.3 mi | 20m |
| TN 8 | 12.6 mi | 17m |
| Harrison Ferry Road | 12.3 mi | 17m |
| SR 111 | 11.5 mi | 13m |
| Smithville Highway | 10.9 mi | 15m |
| State Highway 8 | 7.3 mi | 10m |
| McMinnville Highway | 6 mi | 8m |
Step-by-step road directions between Watertown, TN and Chattanooga, TN.
Start on East Main Street
At end of road, turn left onto US 70
Continue on US 70
Continue on US 70
Continue on US 70
Continue on US 70
Continue on US 70
Turn right onto SR 56
Continue on SR 56
Continue on SR 56
Continue on SR 56
Turn left onto SR 56
Continue on SR 56
Turn slight left onto TN 8
Continue on TN 8
At end of road, turn right onto TN 8; TN 111
Continue on SR 111
Continue on TN 111
Merge onto US 27
Take the exit
Turn straight onto West Martin Luther King Boulevard
Arrive at destination
Since this is a relatively short drive of under 3 hours, you have flexibility with your departure time. Leaving mid-morning should allow you to arrive in Chattanooga with ample daylight to spare. The route has only one recommended stop, and with a fuel cost estimated around $18, you'll likely only need to refuel once, if at all. Keep an eye on your fuel gauge as you approach the surface road sections, as gas stations might be less frequent than on the highway portions.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 25 miles or 38m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 58 miles or 1h 24m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 12m
Traffic, exits, and arrival timing usually matter more near Chattanooga, TN than in the middle of the route.
Open the route before leaving Watertown, TN so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Watertown, TN
This is one driving day of about 115.9 miles and 2h 37m.
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
58 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 25 miles helps settle the day before fatigue starts building.
The midpoint is around 58 miles from Watertown, TN, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
5 decision points cluster between mile 0.4 and 115.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
At end of road, turn left onto US 70 / Sparta Pike
Navigation decision point
Turn right onto SR 56 / South Congress Boulevard
Navigation decision point
Turn left onto SR 56 / West Colville Street
Navigation decision point
At end of road, turn right onto TN 8; TN 111
Navigation decision point
Take the exit toward Downtown
Exit ramp - move to the correct lane early
Regular Gas
$18.12 one way
$36.24 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $19.89 | $39.79 |
| premium | $4.89 | $22.30 | $44.61 |
| diesel | $5.61 | $25.59 | $51.18 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$18
Meals
$25–$50
Total
$43–$68
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 40.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $12 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 34.8 | 0 | $12.17 | $5.56 |
| Efficient EV | 29 | 0 | $10.14 | $4.64 |
| EV Truck/SUV | 46.4 | 0 | $16.23 | $7.42 |
Gas CO2
41 kg
EV CO2
14 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Morning in Watertown on Tuesday
Local time
6:45 AM
CDT
Current temp
57°F
Unavailable
Destination
Morning in Chattanooga on Tuesday
Local time
7:45 AM
EDT
Current temp
77°F
Unavailable
77°F
McMinnville, TN
58 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
This route is about 50% highway, meaning you'll experience both higher-speed cruising and more typical surface road driving. You'll encounter the longest continuous stretch on US 27, covering 21.2 miles. Expect to transition between the efficiency of the highway and the more varied conditions of Nashville Highway and TN 8. The mixed profile suggests you'll notice changes in speed limits and traffic density as you navigate between these road types.
This route mixes highway mileage with some local-road sections near the start or finish. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes around 0.4 miles in near US 70 / Sparta Pike.
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Watertown, TN to Chattanooga, TN is easy. At 2h 37m with 50% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 0.4 miles (US 70 / Sparta Pike): Navigation decision point; at 23.1 miles (SR 56 / South Congress Boulevard): Navigation decision point; at 42.8 miles (SR 56 / West Colville Street): Navigation decision point.
Founded 1839
Chattanooga is the 4th largest city in Tennessee. It is the seat of Hamilton County. It is in Southeast Tennessee on the Tennessee River and near the border of Georgia. It was immortalized in the popular 1941 song "Chattanooga Choo Choo", made famous by Glenn Miller.
Top landmarks
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Weekend Trip
Doable as a same-day drive at 2h 37m. Total distance: 115.9 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
2h 37m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (50%). Straightforward navigation.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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