This 499.1-mile journey from Walnut Hill to Memphis, Tennessee, will take approximately 9 hours and 9 minutes of driving time. Primarily utilizing I-40 and I-81, with a portion on Bristol Highway, this route is a highway-focused drive that's best split over two days. With an estimated fuel cost of $78, it's an efficient way to traverse the Southeast region of Tennessee. Expect a predominantly interstate experience, making it a straightforward trip for those prioritizing getting to their destination. The two recommended stops provide opportunities to break up the nearly 10-hour drive.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
249.6 miles from Walnut Hill, TN
A natural place for your longest stop of the day
, about 4h 34m into the drive
.
Main Roads
Road
Distance
Duration
I 40
420.4 mi
7h 39m
I 81
69.2 mi
1h 14m
Bristol Highway
3.6 mi
5m
Downtown Loop
2.9 mi
3m
Blountville Highway
1.1 mi
1m
Tennessee Ernie Ford Parkway
1 mi
1m
North 2nd Street
0.2 mi
<1m
Poplar Avenue
<0.1 mi
<1m
Longest stretch:
I 40
— 420.4 mi, about 7h 39m
Turn-by-Turn Driving Directions
Step-by-step road directions between Walnut Hill, TN and Memphis, TN.
1
Start on Walnut Hill Road
41 ft·3 sec·Walnut Hill Road
2
Turn right onto SR 126
1.1 mi·1 min·Blountville Highway
3
Continue on SR 126
3.2 mi·4 min·Bristol Highway
4
Continue on SR 126
0.5 mi·46 sec·Bristol Highway
5
Turn right onto TN 394; I 81 Alt
1.0 mi·1 min·Tennessee Ernie Ford Parkway
6
Turn left
0.3 mi·45 sec
Toward I 81 SouthUse the left lane.
7
Merge onto I 81
68 mi·1 hr 13 min·I 81
8
Continue on I 81
0.7 mi·45 sec·I 81
Exit 1BToward I 40 West: Knoxville
9
Merge onto I 40
53 mi·59 min·I 40
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 40
155 mi·2 hr 46 min·I 40
Toward NashvilleUse the straight / slight right lanes.
11
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.
12
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.
13
Merge onto I 40
0.6 mi·52 sec·Downtown Loop
Use the straight / slight right lanes.
14
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.
15
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.
16
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
17
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.
18
Keep slight left at fork onto I 40
2.1 mi·2 min·I 40
Use the slight left / straight lanes.
19
Take the exit
0.2 mi·29 sec
Exit 1AToward Second Street, Third StreetUse the slight right lane.
20
Continue on North 2nd Street
0.2 mi·30 sec·North 2nd Street
Use the straight / right lanes.
21
Turn left onto Poplar Avenue
202 ft·4 sec·Poplar Avenue
22
Arrive at destination
Poplar Avenue
Trip Plan
Given the 9-hour duration, splitting this drive into two days is highly recommended for a more relaxed experience. Plan to depart early to maximize daylight hours for your first leg. With only two recommended stops, be mindful of pacing yourself, especially during the longest stretch of 420.4 miles on I-40. Ensure you have enough fuel before embarking on this long segment, as services can be spaced out. A good strategy is to make your longer breaks at the designated stops to rest and refuel.
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.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 249.6 miles from Walnut Hill, TN, or about 4h 34m into the drive.
The longest continuous stretch on this route runs about 420.4 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 110 miles or 2h 3m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 249.6 miles or 4h 34m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 249.6 miles or 4h 34m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 8h 1m
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 Walnut Hill, 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.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Walnut Hill, TN
Aim for roughly 250 miles and 4.6 hours of wheel time on this day.
Day 2
Finish the approach into Memphis, TN
Aim for roughly 250 miles and 4.6 hours of wheel time on this day.
Your first comfortable stop window is around 110 miles from Walnut Hill, TN.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on I 40 for about 420.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 18
5 decision points cluster between mile 128.1 and 498.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
128.1 mi into trip|~2h 23m in|I 40
Keep slight right at fork onto I 40 toward Nashville
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward Nashville
9
283 mi into trip|~5h 10m 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
285.1 mi into trip|~5h 13m 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
485.4 mi into trip|~8h 51m 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
498.7 mi into trip|~9h 8m 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
Fuel & Cost
Regular Gas
$78.03 one way
$156.06 round trip
$3.97/gal25.4 MPG avg175 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$85.67
$171.34
premium
$4.89
$96.05
$192.09
diesel
$5.61
$110.19
$220.39
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$78
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$208–$318
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 174.6 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $52 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
149.7
1
$52.41
$23.96
Efficient EV
124.8
1
$43.67
$19.96
EV Truck/SUV
199.6
2
$69.87
$31.94
Gas CO2
175 kg
EV CO2
58 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 as of Apr 16, 2026
Origin
Walnut Hill, TN
Night
in Walnut Hill on Saturday
Local time
9:08 PM
EDT
Current temp
79°F
Unavailable
Live forecast
Destination
Memphis, TN
Evening
in Memphis on Saturday
Local time
8:08 PM
CDT
Current temp
82°F
Chance Showers And Thunderstorms
SW 10 mph60% chanceLive forecast
74°F
Lafayette, TN
250 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.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
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
3 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
9h 9m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Stones River National Battlefield
National Battlefield
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
~56 min detour
Free
near mile 275.4
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...
27 mi from route
~69 min detour
Free
near mile 86.1
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
With a 98% highway share, this drive is largely an interstate experience, designed for efficient travel. You'll encounter a long, uninterrupted stretch of 420.4 miles on I-40, so be prepared for extended periods of highway driving. The profile is consistently highway-focused, meaning you'll spend most of your time on major roadways, with minimal time on smaller local roads. This setup prioritizes speed and directness over varied scenery, making it a predictable yet effective route for covering distance.
98% highway — fuel and pacing are the main things to plan.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 420.4 mi on I 40.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on I 40 and I 81. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 128.1 miles in near I 40.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 18 significant decision points across 499.1 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 128.1 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here; at 283 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 285.1 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Walnut Hill, TN and Memphis, TN, road signs point toward Nashville and Louisville.
Memphis is the second largest city in the state of Tennessee, after Nashville. The state rests in the southeastern portion of the United States. Memphis, with a population of more than 651,000 (2019), is also the county seat for Shelby County. The city's claims to fame include Graceland, the mansion Elvis Presley lived in during his later years. Perhaps more importantly, Memphis is considered by many to be the home of blues music.
The longest stretch is about 420.4 miles on I 40. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 250 miles on day one.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Memphis, TN before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 128.1 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here; at 283 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 285.1 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Stones River National Battlefield and Great Smoky Mountains National Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 9.2 hours each way, a round trip means 18.3 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Memphis, TN before the return drive.
