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Drive Time
1h 7m
Distance
42.9 mi
69 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$7
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Mountain City, TN
Kelly
Johnson City, TN
Wikimedia Commons
The drive from Mountain City, TN to Johnson City, TN covers 42.9 miles and takes about 1h 7m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on State Route 67, US 321, East Elk Avenue for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 14.3 miles on State Route 67. At current regular gas prices, budget about $6.71 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
21.4 miles from Mountain City, TN
A natural place for your longest stop of the day , about 31m into the drive .
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This is a 1h 7m highway drive covering 42.9 miles, with most of the trip on State Route 67 and US 321. The longest continuous stretch is about 14.3 miles on State Route 67.
This is a straightforward highway drive that stays mostly on State Route 67 and US 321. There are only a few real navigation decisions along the way. The trickiest moment comes around 28.4 miles in near US 19E; US 321; SR 67.
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 1h 7m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 28.4 miles (US 19E; US 321; SR 67): Lane positioning matters here; at 33.3 miles (Hattie Avenue): Lane positioning matters here; at 33.7 miles (Lynn Avenue): Navigation decision point.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn right onto US 19E; US 321; SR 67
Lane positioning matters here
Turn left onto Hattie Avenue
Lane positioning matters here
Turn right onto Lynn Avenue
Navigation decision point
Turn left onto East Elk Avenue
Navigation decision point
Turn left onto Buffalo Street
Lane positioning matters here
| Road | Distance | Duration |
|---|---|---|
| State Route 67 | 14.3 mi | 19m |
| US 321 | 10.9 mi | 17m |
| East Elk Avenue | 6.6 mi | 11m |
| US 19E | 4.4 mi | 6m |
| Doe Valley Road | 3.4 mi | 5m |
| West Main Street | 1.1 mi | 2m |
| South Roan Street | 0.8 mi | 1m |
| South Sycamore Street | 0.6 mi | 1m |
Step-by-step road directions between Mountain City, TN and Johnson City, TN.
Start on SR 418
Continue on SR 67
Continue on TN 67
Continue on US 321; SR 67
Turn right onto US 19E; US 321; SR 67
Turn left onto South Sycamore Street
Turn left onto Hattie Avenue
Continue on East Doe Avenue
Turn right onto Lynn Avenue
Turn left onto East Elk Avenue
Continue on US 321; SR 67
Turn right onto South Roan Street
Turn left onto West State of Franklin Road
Turn left onto Buffalo Street
Turn right
Arrive at destination
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 42.9 miles or 1h 7m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 21.4 miles or 31m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 55m
Traffic, exits, and arrival timing usually matter more near Johnson City, TN than in the middle of the route.
Open the route before leaving Mountain 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.
Day 1
Settle into the route from Mountain City, TN
This is one driving day of about 42.9 miles and 1h 7m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 21.4 mi from Mountain City, TN · 31m into the drive
Mid-route town
Meal stop
21 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.
The final approach into Johnson City, 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 Johnson City, TN.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$6.71 one way
$13.41 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $7.36 | $14.73 |
| premium | $4.89 | $8.26 | $16.51 |
| diesel | $5.61 | $9.47 | $18.94 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$7
Meals
$25–$50
Total
$32–$57
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 15 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 12.9 | 0 | $4.50 | $2.06 |
| Efficient EV | 10.7 | 0 | $3.75 | $1.72 |
| EV Truck/SUV | 17.2 | 0 | $6.01 | $2.75 |
Gas CO2
15 kg
EV CO2
5 kg (67% 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 Mountain City on Wednesday
Local time
6:35 AM
EDT
Current temp
77°F
Partly Sunny then Slight Chance Rain Showers
Destination
Morning in Johnson City on Wednesday
Local time
6:35 AM
EDT
Current temp
80°F
Partly Sunny then Slight Chance Rain Showers
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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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