Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
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
Unknown
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.
Weekend Trip
Doable as a same-day drive at 1h 7m. Total distance: 42.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 7m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (69%). Straightforward navigation.
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.
Gently rolling terrain
Total Climb
332 ft
Total Descent
1,125 ft
Highest Point
2,542 ft
~3.1 mi in
Elevation Range
1,072 ft
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
Balances navigation complexity with total 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
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.
A short stop after about 42.9 miles helps settle the day before fatigue starts building.
The midpoint is around 21.4 miles from Mountain City, TN, which is a good place for a longer meal and fuel stop.
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.
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.
Drive Cost (one way)
Fuel
$7
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
Night in Mountain City on Friday
Local time
9:17 PM
EDT
Current temp
77°F
Partly Sunny then Slight Chance Rain Showers
Destination
Night in Johnson City on Friday
Local time
9:17 PM
EDT
Current temp
80°F
Partly Sunny then Slight Chance Rain Showers
70°F
Hunter, TN
21 mi in
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.
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.
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