Johnson City, TN to Munford, TN is 472.5 miles and takes about 8h 57m via I 40, with a fuel budget near $75 and enough daylight to finish in a day, though it's best as an overnight trip. You'll be traveling entirely within Tennessee, moving from the Appalachian foothills towards the Mississippi River floodplain. This route is predominantly highway driving, making it a straightforward option for getting across the state. Consider breaking it up over two days to make the most of the drive without feeling rushed.
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
236.2 miles from Johnson City, TN
A natural place for your longest stop of the day
, about 4h 20m into the drive
.
Main Roads
Road
Distance
Duration
I 40
352.1 mi
6h 23m
I 81
57.1 mi
1h 1m
West Main Street
21.8 mi
32m
James H. Quillen Parkway
13.7 mi
16m
US 51
11.6 mi
17m
East Main Street
9.5 mi
14m
Downtown Loop
2.9 mi
3m
Munford-Atoka Avenue
1.5 mi
2m
Longest stretch:
I 40
— 352.1 mi, about 6h 23m
Turn-by-Turn Driving Directions
Step-by-step road directions between Johnson City, TN and Munford, TN.
1
Start on this road
433 ft·35 sec·this road
2
Turn left onto Buffalo Street
0.3 mi·56 sec·Buffalo Street
Use the straight lane.
3
Turn left onto North Roan Street
0.3 mi·36 sec·North Roan Street
Use the left lane.
4
Turn right onto SR 400
0.3 mi·45 sec·East Watauga Avenue
5
Turn left onto Oak Street
441 ft·10 sec·Oak Street
6
Take the ramp
0.2 mi·23 sec
7
Merge onto I 26; US 19W; US 23
14 mi·16 min·James H. Quillen Parkway
8
Take the exit
0.2 mi·37 sec
Exit 8AToward I 81 South: Knoxville
9
Merge onto I 81
56 mi·1 hr·I 81
10
Continue on I 81
0.7 mi·45 sec·I 81
Exit 1BToward I 40 West: Knoxville
11
Merge onto I 40
53 mi·59 min·I 40
Use the straight / slight right lanes.
12
Keep slight right at fork onto I 40
155 mi·2 hr 46 min·I 40
Toward NashvilleUse the straight / slight right lanes.
13
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.
14
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.
15
Merge onto I 40
0.6 mi·52 sec·Downtown Loop
Use the straight / slight right lanes.
16
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.
17
Keep slight left at fork onto I 40
142 mi·2 hr 33 min·I 40
Toward I 40 West: MemphisUse the slight left / slight right lanes.
18
Take the exit
0.2 mi·31 sec
Toward US 70: Brownsville, Ripley
19
Turn right onto US 70
9.5 mi·14 min·East Main Street
20
Enter roundabout onto TN 54
401 ft·10 sec·West Main Street
21
Continue on TN 54
22 mi·32 min·West Main Street
22
Continue on TN 54
0.6 mi·1 min·East Liberty Avenue
23
Turn left onto US 51; TN 59
12 mi·17 min·US 51; TN 59
Use the left lane.
24
Turn right onto TN 206
1.5 mi·2 min·Munford-Atoka Avenue
Use the right lane.
25
Turn right onto SR 178
163 ft·3 sec·North Tipton Street
26
Arrive at destination
SR 178
Trip Plan
Given the nearly 9-hour drive time, splitting this trip over two days is highly recommended. Aim to leave Johnson City in the morning to cover about half the distance, allowing for a relaxed evening stop. The longest stretch on I 40 is over 350 miles, so plan your fuel and rest breaks accordingly before you hit that segment. Keep an eye on your fuel gauge, as services can be spread out on certain sections of I 40. Your estimated fuel cost is around $75, so budget for that and a comfortable overnight stay.
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 236.2 miles from Johnson City, TN, or about 4h 20m into the drive.
The longest continuous stretch on this route runs about 352.1 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 104 miles or 1h 57m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 236.2 miles or 4h 20m 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 236.2 miles or 4h 20m
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 7h 32m
Traffic, exits, and arrival timing usually matter more near Munford, TN than in the middle of the route.
Before You Leave
+
Open the route before leaving Johnson City, 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 Johnson City, TN
Aim for roughly 236 miles and 4.5 hours of wheel time on this day.
Day 2
Finish the approach into Munford, TN
Aim for roughly 236 miles and 4.5 hours of wheel time on this day.
Your first comfortable stop window is around 104 miles from Johnson City, 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 352.1 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 21
5 decision points cluster between mile 0.4 and 285.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
0.4 mi into trip|~1m in|North Roan Street
Turn left onto North Roan Street
Lane positioning matters here
Use the left lane.
7
125.1 mi into trip|~2h 20m 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
279.9 mi into trip|~5h 7m 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
282 mi into trip|~5h 10m 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
7
285.4 mi into trip|~5h 15m in|I 40
Keep slight left at fork onto I 40 toward I 40 West: Memphis
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Toward I 40 West: Memphis
Fuel & Cost
Regular Gas
$78.82 one way
$157.64 round trip
$4.24/gal25.4 MPG avg165 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.61
$85.66
$171.33
premium
$5.26
$97.83
$195.66
diesel
$6.18
$114.94
$229.89
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$79
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$209–$319
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 165.3 kg one way.
Prices: EIA weekly data, 2026-10-12.
Driving Electric?
About $50 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
141.8
1
$49.61
$22.68
Efficient EV
118.1
1
$41.34
$18.90
EV Truck/SUV
189
2
$66.15
$30.24
Gas CO2
165 kg
EV CO2
55 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 Oct 17, 2026
Origin
Johnson City, TN
Morning
in Johnson City on Saturday
Local time
11:47 AM
EDT
Current temp
45°F
Rain Showers
NW 10 mph77% chanceLive forecast
Destination
Munford, TN
Morning
in Munford on Saturday
Local time
10:47 AM
CDT
Current temp
45°F
Partly Cloudy
N 15 mph0% chanceLive forecast
75°F
Livingston, TN
236 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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
8h 57m 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...
21 mi from route
~54 min detour
Free
near mile 260.7
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...
28 mi from route
~70 min detour
Free
near mile 81.5
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive is mostly highway, with 92% of the 472.5 miles spent on major roadways like I 40 and I 81. You'll encounter a long stretch of 352.1 miles primarily on I 40, so expect consistent cruising. Surface roads, including West Main Street, will make up the remaining mileage. You'll notice the exits become more frequent as you approach towns and cities, interspersed with more rural stretches.
92% highway — fuel and pacing are the main things to plan.
26 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 352.1 mi on I 40.
How Hard Is This Drive?
9/10
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 0.4 miles in near North Roan Street.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 21 significant decision points across 472.5 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 0.4 miles (North Roan Street): Lane positioning matters here; at 125.1 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here; at 279.9 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Gently rolling terrain
1,803 ft390 ft
Total Climb
1,051 ft
Total Descent
2,236 ft
Highest Point
1,803 ft
~168.7 mi in
Elevation Range
1,413 ft
Notable High Points
1,803 ft at ~168.7 miles+707 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Johnson City, TN and Munford, TN, road signs point toward Nashville, Memphis, Louisville and Ripley.
The longest stretch is about 352.1 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 236 miles on day one.
Yes — we found about 52 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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 Munford, 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. There are 52 rest areas along the route for bathroom stops.
The main spots that need attention: at 0.4 miles (North Roan Street): Lane positioning matters here; at 125.1 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here; at 279.9 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 9.0 hours each way, a round trip means 17.9 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Munford, TN before the return drive.
