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Trip from Erwin, TN to Smyrna, TN

Drive Time

7h 39m

Distance

393.8 mi

634 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$60

one way

EV Charging

None

0 DC fast

Best Time to Leave

Save up to 29 min
4 AM
7h 30m ★
6 AM
7h 39m
8 AM
7h 59m
10 AM
7h 46m
12 PM
7h 44m
3 PM
7h 47m
5 PM
7h 58m
8 PM
7h 34m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly
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Downtown Erwin, TN, TN

Erwin, TN

Vladimir Srajber

Downtown Smyrna, TN, TN

Smyrna, TN

Josef Traxler

Trip Overview

The drive from Erwin, TN to Smyrna, TN covers 393.8 miles and takes about 7h 39m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 40, I 81, East Andrew Johnson Highway for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 291.9 miles on I 40. At current regular gas prices, budget about $59.81 one way before food or hotel costs.

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

196.9 miles from Erwin, TN

A natural place for your longest stop of the day , about 3h 48m into the drive .

Drive Character

This is a 7h 39m highway drive covering 393.8 miles, with most of the trip on I 40 and I 81. The longest continuous stretch is about 291.9 miles on I 40.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 27 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 291.9 miles.

How Hard Is This Drive?

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 119.9 miles in near I 40.

Route Complexity 9/10

High effort - long or complex enough to need steady focus all day

This is a demanding drive. With 21 significant decision points across 393.8 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 119.9 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here; at 274.7 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 276.9 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 21 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

7
119.9 mi into trip | ~2h 25m 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
274.7 mi into trip | ~5h 11m 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
276.9 mi into trip | ~5h 14m 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
280.2 mi into trip | ~5h 19m 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
6
361.9 mi into trip | ~6h 48m in

Take the exit toward US 641: Camden, Paris, Parsons

Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one

Exit 126 Toward US 641: Camden, Paris, Parsons

Towns Along This Route

Between Erwin, TN and Smyrna, TN, road signs point toward Nashville, Memphis, Louisville, Paris and Parsons.

Nashville

119.9 mi in | ~2h 25m | via I 40

Memphis

276.9 mi in | ~5h 14m | via I 40

Louisville

277.9 mi in | ~5h 16m | via I 40

Paris

361.9 mi in | ~6h 48m

Parsons

361.9 mi in | ~6h 48m

Main Roads

Road Distance Duration
I 40 291.9 mi 5h 18m
I 81 22.7 mi 24m
East Andrew Johnson Highway 18.3 mi 22m
US 641 13.7 mi 15m
Governor John Sevier Highway 11.3 mi 16m
US 70 9.4 mi 14m
Jonesborough Road 6.6 mi 9m
Erwin Highway 6.4 mi 9m
Longest stretch: I 40 — 291.9 mi, about 5h 18m

Turn-by-Turn Driving Directions

Step-by-step road directions between Erwin, TN and Smyrna, TN.

1

Start on South Main Avenue

0.2 mi · 35 sec · South Main Avenue
2

Turn left onto 2nd Street

0.4 mi · 41 sec · 2nd Street
Use the left lane.
3

Continue on SR 81; SR 107

6.6 mi · 9 min · Jonesborough Road
4

Turn left onto SR 107

11 mi · 16 min · Governor John Sevier Highway
5

Continue on SR 107

6.4 mi · 9 min · Erwin Highway
6

Continue on SR 107

0.9 mi · 1 min · Tusculum Bypass
7

At end of road, turn left onto US 11E; US 321

18 mi · 22 min · East Andrew Johnson Highway
8

Turn left

0.3 mi · 39 sec
9

Merge onto I 81

22 mi · 23 min · I 81
10

Continue on I 81

0.7 mi · 45 sec · I 81
Exit 1B Toward 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 Nashville Use the straight / slight right lanes.
13

Keep slight right at fork onto I 40

2.1 mi · 3 min · I 40
Exit 213B Toward I 24 West, I 40 West: Nashville Use 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, Memphis Use 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 210A Toward I 40 West, I 65 North: Memphis, Louisville Use the straight / slight right lanes.
17

Keep slight left at fork onto I 40

82 mi · 1 hr 28 min · I 40
Toward I 40 West: Memphis Use the slight left / slight right lanes.
18

Take the exit

0.2 mi · 26 sec
Exit 126 Toward US 641: Camden, Paris, Parsons
19

Keep slight right at fork

192 ft · 4 sec
20

Merge onto US 641

14 mi · 15 min · US 641
21

Turn left onto US 70

1.6 mi · 2 min · US 70
22

At end of road, turn left onto US 70

7.8 mi · 11 min · US 70
23

Turn left onto SR 114

4.1 mi · 7 min · SR 114
24

Turn right onto Buena Vista Road

2.5 mi · 6 min · Buena Vista Road
25

Turn left onto Smyrna Road

2.0 mi · 7 min · Smyrna Road
26

Turn right onto Buck Ditch Road

58 ft · 2 sec · Buck Ditch Road
27

Arrive at destination

Buck Ditch Road

Trip Plan

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 196.9 miles from Erwin, TN, or about 3h 48m into the drive.
The longest continuous stretch on this route runs about 291.9 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 87 miles or 1h 48m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 196.9 miles or 3h 48m 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 17m

Traffic, exits, and arrival timing usually matter more near Smyrna, TN than in the middle of the route.

Before You Leave

+

Open the route before leaving Erwin, 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 Erwin, TN

This is one driving day of about 393.8 miles and 7h 39m.

Your first comfortable stop window is around 87 miles from Erwin, 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 291.9 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 196.9 mi from Erwin, TN · 3h 48m into the drive

Downtown Johnson, TN, TN

Mid-route town

Meal stop

Johnson, TN

197 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.

Pacing Suggestions

Knoxville, TN

Fuel and coffee

A short stop after about 87 miles helps settle the day before fatigue starts building.

Johnson, TN

Meal break

The midpoint is around 196.9 miles from Erwin, TN, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before I 40 if your tank is already low. That segment runs about 291.9 miles.

Arriving in Smyrna, TN

The final approach into Smyrna, 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 Smyrna, 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.

Stones River National Battlefield

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 ~53 min detour Free near mile 258
View on nps.gov
Great Smoky Mountains National Park

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...

27 mi from route ~68 min detour Free near mile 81.5
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

Fuel & Cost

Regular Gas

$59.81 one way

$119.63 round trip

$3.86/gal 25.4 MPG avg 138 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.25 $65.94 $131.88
premium $4.80 $74.34 $148.68
diesel $5.64 $87.49 $174.98

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$60

Meals

$25–$50

Total

$85–$110

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 137.8 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $41 in charging · 1 stop · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 118.1 1 $41.35 $18.90
Efficient EV 98.5 1 $34.46 $15.75
EV Truck/SUV 157.5 1 $55.13 $25.20

Gas CO2

138 kg

EV CO2

46 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 8 hours ago

Origin

Erwin, TN

Morning in Erwin on Monday

Local time

10:47 AM

EDT

Current temp

76°F

Unavailable

Live forecast

Destination

Smyrna, TN

Morning in Smyrna on Monday

Local time

9:47 AM

CDT

Current temp

62°F

Unavailable

Live forecast

Along the Route

61°F

Johnson, TN

197 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

1 hour earlier

The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.

Temperature spread

14 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 39m 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 Erwin, TN to Smyrna, TN covers 393.8 miles and takes about 7h 39m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 40, I 81, East Andrew Johnson Highway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 196.9 miles from Erwin, TN. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $59.81 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 21 significant decision points across 393.8 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 119.9 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here; at 274.7 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 276.9 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Erwin, TN and Smyrna, TN, road signs point toward Nashville, Memphis, Louisville, Paris and Parsons.

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