This 404.9-mile drive from Watertown to Memphis, Tennessee, is a straightforward journey covering a substantial distance. Expect to spend about 7 hours and 36 minutes on the road, making it a feasible, albeit long, day trip. The route is primarily highway-focused, with 99% of your travel on major roads like I-40. With an estimated fuel cost of $63 and a plan for two stops, this trip offers a predictable and efficient way to travel across the state. It's a solid option if you're looking for a direct path through the heart of Tennessee.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
202.5 miles from Watertown, TN
A natural place for your longest stop of the day
, about 3h 54m into the drive
.
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Drive Character
Prepare for a predominantly highway-focused experience, with the vast majority of your 404.9 miles spent on I-40. This means consistent speeds and a generally predictable driving environment for most of the 7.5-hour journey. You'll encounter a brief segment on East Lamar Alexander Parkway and the Downtown Loop, but the bulk of the travel is on the interstate. The longest uninterrupted stretch spans an impressive 363.1 miles on I-40, so plan your breaks accordingly. This route prioritizes efficient travel over varied scenery.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 19 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 40 is the longest continuous segment at about 363.1 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 40 and East Lamar Alexander Parkway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 38.2 miles in.
Route Complexity9/10
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 17 significant decision points across 404.9 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 38.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 188.8 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 190.9 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 17 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
7
38.2 mi into trip|~55m in
Take the exit toward I 40 West: Nashville
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the left lane.
Toward I 40 West: Nashville
9
188.8 mi into trip|~3h 37m in|I 40
Keep slight right at fork onto I 40 toward I 24 West, I 40 West: Nashville
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 213B
Toward I 24 West, I 40 West: Nashville
8
190.9 mi into trip|~3h 40m in|I 40
Keep slight left at fork onto I 40 toward I 40 West: Huntsville, Memphis
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward I 40 West: Huntsville, Memphis
8
391.3 mi into trip|~7h 19m in|I 40
Keep slight right at fork onto I 40 toward I 40 West: Little Rock
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Exit 10B
Toward I 40 West: Little Rock
8
404.5 mi into trip|~7h 35m in
Take the exit toward Second Street, Third Street
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 1A
Toward Second Street, Third Street
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Watertown, TN to Memphis, TN, road signs begin pointing toward Louisville along the way.
Louisville
192 mi in|~3h 42m|via I 40
Main Roads
Road
Distance
Duration
I 40
363.1 mi
6h 35m
East Lamar Alexander Parkway
36 mi
49m
Downtown Loop
2.9 mi
3m
East Millers Cove Road
1.9 mi
4m
Old Walland Highway
0.3 mi
<1m
North 2nd Street
0.2 mi
<1m
Poplar Avenue
<0.1 mi
<1m
Longest stretch:
I 40
— 363.1 mi, about 6h 35m
Turn-by-Turn Driving Directions
Step-by-step road directions between Watertown, TN and Memphis, TN.
1
Start on this road
33 ft·9 sec·this road
2
Turn left onto East Millers Cove Road
1.9 mi·4 min·East Millers Cove Road
3
At end of road, turn right onto Old Walland Highway
0.3 mi·38 sec·Old Walland Highway
4
Turn right onto US 321
9.0 mi·13 min·East Lamar Alexander Parkway
5
Continue on US 321
27 mi·36 min·East Lamar Alexander Parkway
Use the straight / right lanes.
6
Take the exit
0.3 mi·32 sec
Toward I 40 West: NashvilleUse the left lane.
7
Merge onto I 40
150 mi·2 hr 41 min·I 40
Use the straight / slight right lanes.
8
Keep slight right at fork onto I 40
2.1 mi·3 min·I 40
Exit 213BToward I 24 West, I 40 West: NashvilleUse the straight / slight right lanes.
9
Keep slight left at fork onto I 40
0.4 mi·42 sec·I 40
Toward I 40 West: Huntsville, MemphisUse the slight left lane.
10
Merge onto I 40
0.6 mi·52 sec·Downtown Loop
Use the straight / slight right lanes.
11
Continue on I 40
2.3 mi·3 min·Downtown Loop
Exit 210AToward I 40 West, I 65 North: Memphis, LouisvilleUse the straight / slight right lanes.
12
Keep slight left at fork onto I 40
197 mi·3 hr 33 min·I 40
Toward I 40 West: MemphisUse the slight left / slight right lanes.
13
Take the exit onto I 40
0.1 mi·8 sec·I 40
Exit 10A-BToward I 240 West, I 40 West: Jackson Mississippi, Little Rock
14
Keep slight right at fork onto I 40
11 mi·13 min·I 40
Exit 10BToward I 40 West: Little RockUse the slight right lane.
15
Keep slight left at fork onto I 40
2.1 mi·2 min·I 40
Use the slight left / straight lanes.
16
Take the exit
0.2 mi·29 sec
Exit 1AToward Second Street, Third StreetUse the slight right lane.
17
Continue on North 2nd Street
0.2 mi·30 sec·North 2nd Street
Use the straight / right lanes.
18
Turn left onto Poplar Avenue
202 ft·4 sec·Poplar Avenue
19
Arrive at destination
Poplar Avenue
Trip Plan
Given the 7-hour, 36-minute duration, an early morning departure from Watertown is recommended to reach Memphis with daylight to spare. You'll want to factor in at least two stops to break up the 404.9 miles. Since the longest stretch on I-40 is over 363 miles, ensure you're fueled up before hitting that long segment. The estimated fuel cost of $63 is a good baseline, but always monitor your gauge, especially on longer highway stretches. This drive's highway-heavy nature means you can cover ground quickly, so flexibility in your stop timing is key.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
You can normally do this drive in one day.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 202.5 miles from Watertown, TN, or about 3h 54m into the drive.
The longest continuous stretch on this route runs about 363.1 miles.
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 89 miles or 1h 50m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 202.5 miles or 3h 54m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 6h 29m
Traffic, exits, and arrival timing usually matter more near Memphis, TN than in the middle of the route.
Before You Leave
+
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.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
Day 1
Settle into the route from Watertown, TN
This is one driving day of about 404.9 miles and 7h 36m.
Your first comfortable stop window is around 89 miles from Watertown, TN.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on I 40 for about 363.1 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 202.5 mi from Watertown, TN
· 3h 54m into the drive
The midpoint is around 204.1 miles from Watertown, TN, which is a good place for a longer meal and fuel stop.
Arriving in Memphis, TN
The final approach into Memphis, TN usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Memphis, TN.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
National Parks Near This Route
Worth a detour if your schedule allows.
Great Smoky Mountains National Park
National Park
Ridge upon ridge of forest straddles the border between North Carolina and Tennessee in Great Smoky Mountains National Park. World renowned for its diversity of plant and animal life, the beauty of it...
The Battle of Stones River began on the last day of 1862 and became one of the bloodiest conflicts of the Civil War. The battle produced important military and political gains for the Union, and it ch...
22 mi from route
~54 min detour
Free
near mile 168.9
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$63.30 one way
$126.60 round trip
$3.97/gal25.4 MPG avg142 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$69.50
$139.01
premium
$4.89
$77.92
$155.84
diesel
$5.61
$89.40
$178.79
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$63
Meals
$25–$50
Total
$88–$113
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 141.7 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $43 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
121.5
1
$42.51
$19.44
Efficient EV
101.2
1
$35.43
$16.20
EV Truck/SUV
162
2
$56.69
$25.91
Gas CO2
142 kg
EV CO2
47 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast data refreshed 1 day ago
Origin
Watertown, TN
Night
in Watertown on Tuesday
Local time
11:26 PM
EDT
Current temp
77°F
Unavailable
Live forecast
Destination
Memphis, TN
Night
in Memphis on Tuesday
Local time
10:26 PM
CDT
Current temp
64°F
Unavailable
Live forecast
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
1 hour earlier
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
13 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
7h 36m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Watertown, TN to Memphis, TN covers 404.9 miles and takes about 7h 36m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 40, East Lamar Alexander Parkway, Downtown Loop. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 202.5 miles from Watertown, TN. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $63.30 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 2 meaningful breaks for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 17 significant decision points across 404.9 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 38.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 188.8 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 190.9 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
On the drive from Watertown, TN to Memphis, TN, road signs begin pointing toward Louisville along the way.
