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

The driving distance from Johnson City, TN to Portland, TN is about 291.7 miles (469.4 km), with a travel time of about 05h 26m by car.

  • The straight-line flight distance is about 232.1 miles (373.5 km).
  • For a round trip, plan for roughly 10h 52m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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
291.65 mi
05h 26m
Flight
232.09 mi
373.52 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
232.09 mi
Kilometers
373.52 km
Flight Time
00h 28m

Driving Distance

Road route
291.65 mi
Kilometers
469.37 km
Drive Time
05h 26m

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 05h 26m.

Arrival Snapshot
Arrive in Portland
Sat, Apr 25, 3:11 PM CDT
Return by in Johnson City
Sat, Apr 25, 9:37 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Johnson City
2026-04-25T10:44
Arrive Portland
Sat, Apr 25, 4:11 PM EDT
Route Timing
05h 26m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:26 AM to 12:26 PM CDT

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

Leave by
6:08 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
Midtown
TN

Neighborhood in Manhattan in New York City

From Johnson City
145.6 mi
02h 43m
To Portland
146 mi
02h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Saturday

Showers And Thunderstorms

Starts
Sat, Apr 25 6:00 AM EDT
Wind
5 mph W
Destination
77°F
Saturday

Showers And Thunderstorms Likely then Chance Showers And Thunderstorms

Starts
Sat, Apr 25 6:00 AM CDT
Wind
5 mph NNW

Driving Route Map

The map below follows the saved road route between Johnson City and Portland.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    132 m · 35 sec

  2. 2

    Turn left onto Buffalo Street

    1620 ft · 56 sec · Buffalo Street

  3. 3

    Turn left onto North Roan Street

    1633 ft · 37 sec · North Roan Street

  4. 4

    Turn right onto East Watauga Avenue

    1812 ft · 45 sec · East Watauga Avenue

  5. 5

    Turn left onto Oak Street

    135 m · 11 sec · Oak Street

  6. 6

    Take the ramp straight

    962 ft · 24 sec

  7. 7

    Merge slight left onto James H. Quillen Parkway

    13.7 mi · 16 min · James H. Quillen Parkway

  8. 8

    Take the exit slight right toward I 81 South: Knoxville

    1100 ft · 38 sec

  9. 9

    Merge slight left

    56.4 mi · 1 hr

  10. 10

    Continue on I 40 West: Knoxville

    1.1 km · 45 sec

  11. 11

    Merge slight left

    52.8 mi · 59 min

  12. 12

    Keep slight right to continue on Nashville

    136 mi · 2 hr 26 min

  13. 13

    Take the exit slight right toward TN 109: Gallatin

    1834 ft · 48 sec

  14. 14

    Turn right

    12.7 mi · 18 min

  15. 15

    Turn left

    17.6 mi · 20 min

  16. 16

    Arrive at your destination

    0 m · 1 sec · North Broadway

Car Route Details

A richer read on the saved driving route between Johnson City and Portland.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
16 steps
6 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
5.5 / 100 mi
Decision points by distance
Main Roads
Nashville
136 mi · 47%
I 81 South
56.6 mi · 19%
I 40 West
53.5 mi · 18%
James H. Quillen Parkway
13.7 mi · 5%
TN 109
0.35 mi
East Watauga Avenue
0.34 mi
Longest Stretch

Nashville

Keep slight right to continue on Nashville

136 mi · 02h 26m

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
05h 26m
Long day trip
Same-Day Return
10h 52m
Round-trip wheel time
Road vs Air
+59.6 mi
232.1 mi direct line
Halfway Stop
Midtown
02h 43m from Johnson City
Leave By
6:08 AM EDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving Johnson City and Showers And Thunderstorms Likely then Chance Showers And Thunderstorms near Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 291.7 miles (469.4 km) and usually takes 05h 26m 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?

Midtown is a useful midpoint, sitting about 145.6 miles from Johnson City and 146 miles from Portland.

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

The direct path is about 232.1 miles (373.5 km), while the road route adds roughly 59.6 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 6:08 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $38.80 one way or $77.61 round trip. Estimated CO2 is about 91.4 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 Portland, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Johnson City and Showers And Thunderstorms Likely then Chance Showers And Thunderstorms near Portland.

Flight Path Map

This map shows the direct air route between Johnson City and Portland. Straight-line distance: 232.09 mi (373.52 km).

Johnson City

#1 Johnson City

The most populous city in Washington County, Tennessee.

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

#2 Portland

City in Sumner County, Tennessee, United States

Population13,301
Coordinates36.5817100, -86.5163800
Altitude244
CountryUnited States
Start: Johnson City (-82.35347, 36.31344)
End: Portland (-86.51638, 36.58171)

Estimated Travel Time

Distance: 469 km by road

SpeedTime
30 mph (48.3 km/h)09h 43m
40 mph (64.37 km/h)07h 17m
50 mph (80.47 km/h)05h 49m
60 mph (96.56 km/h)04h 51m
70 mph (112.65 km/h)04h 09m
80 mph (129 km/h)03h 38m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.29 gal
38.96 L · about $38.80
Round trip
$77.61
20.58 gal · 77.92 L
Estimated CO2
91.4 kg one way
Round trip: 182.9 kg / 403 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $38.80 $77.61
Mid-grade $4.25 $43.76 $87.53
Premium $4.65 $47.89 $95.78
Diesel $5.30 $54.58 $109.16

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 25, 2026

Please keep in mind that there is a 1 hour time gap between Johnson City, TN and Portland, TN. The current time in Johnson City is 10:44:50, although it is 09:44:50 in Portland.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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