How far is Johnson City, TN from Altamont, TN?

The estimated driving distance from Johnson City, TN to Altamont, TN is about 247.9 miles (398.9 km), with a travel time of about 04h 20m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 198.3 miles (319.1 km).
  • For a round trip, plan for roughly 08h 41m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Road route is being refreshed. This page currently uses an estimated driving distance until a routing provider returns the full road geometry.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
247.85 mi
04h 20m · estimated
Flight
198.29 mi
319.11 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Johnson City.

Flight Distance

Direct air line
198.29 mi
Kilometers
319.11 km
Flight Time
00h 23m

Driving Distance

Estimated road route
247.85 mi
Estimated
Kilometers
398.88 km
Drive Time
04h 20m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 04h 20m.

Arrival Snapshot
Arrive in Altamont
Sat, Apr 11, 4:47 AM CDT
Return by in Johnson City
Sat, Apr 11, 10:08 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Johnson City
2026-04-11T01:26
Arrive Altamont
Sat, Apr 11, 5:47 AM EDT
Route Timing
04h 20m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:21 AM to 11:21 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:18 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Johnson City
9:00 PM EDT
Early departure recommended

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Louisville
TN

Human settlement in Blount County, Tennessee, United States of America

From Johnson City
99.2 mi
02h 10m
To Altamont
148.7 mi
02h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Saturday

Sunny then Slight Chance Rain Showers

Starts
Sat, Apr 11 6:00 AM EDT
Wind
0 to 5 mph W
Destination
78°F
Saturday

Sunny

Starts
Sat, Apr 11 6:00 AM CDT
Wind
0 mph

Driving Route Map

Road route is being refreshed. This page currently uses an estimated driving distance.

Turn-by-Turn Driving Directions

Step-by-step road directions between Johnson City and Altamont.

Turn-by-turn directions will appear after the road route is refreshed. The current distance is an estimate.

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 20m
Long day trip
Same-Day Return
08h 42m
Round-trip wheel time
Road vs Air
+49.6 mi
198.3 mi direct line
Halfway Stop
Louisville
02h 10m from Johnson City
Leave By
8:18 AM EDT
Early departure recommended
Weather Watch

Sunny then Slight Chance Rain Showers leaving Johnson City and Sunny near Altamont.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Johnson City to Altamont?

The road trip is about 247.9 miles (398.9 km) and usually takes 04h 20m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Louisville is a useful midpoint, sitting about 99.2 miles from Johnson City and 148.7 miles from Altamont.

How much longer is the road route than the straight-line distance?

The direct path is about 198.3 miles (319.1 km), while the road route adds roughly 49.6 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 8:18 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $33.00 one way or $65.99 round trip. Estimated CO2 is about 77.8 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Johnson City and Altamont, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Sunny then Slight Chance Rain Showers around Johnson City and Sunny near Altamont.

Flight Path Map

This map shows the direct air route between Johnson City and Altamont. Straight-line distance: 198.29 mi (319.11 km).

Johnson City

#1 Johnson City

The most populous city in Washington County, Tennessee.

Population66,906
Coordinates36.3134400, -82.3534700
Altitude498
CountryUnited States
Altamont

#2 Altamont

City in Grundy County, Tennessee, United States of America

Population1,055
Coordinates35.4295200, -85.7230300
Altitude565
CountryUnited States
Start: Johnson City (-82.35347, 36.31344)
End: Altamont (-85.72303, 35.42952)

Estimated Travel Time

Distance: 399 km by road

SpeedTime
30 mph (48.3 km/h)08h 15m
40 mph (64.37 km/h)06h 11m
50 mph (80.47 km/h)04h 57m
60 mph (96.56 km/h)04h 07m
70 mph (112.65 km/h)03h 32m
80 mph (129 km/h)03h 05m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.75 gal
33.11 L · about $33.00
Round trip
$65.99
17.5 gal · 66.22 L
Estimated CO2
77.8 kg one way
Round trip: 155.5 kg / 343 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $33.00 $65.99
Mid-grade $4.25 $37.21 $74.43
Premium $4.65 $40.72 $81.45
Diesel $5.30 $46.41 $92.82

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Tennessee · Apr 11, 2026

Please keep in mind that there is a 1 hour time gap between Johnson City, TN and Altamont, TN. The current time in Johnson City is 01:26:59, although it is 00:26:59 in Altamont.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.