How far is Johnson, TN from Portland, TN?
The driving distance from Johnson, TN to Portland, TN is about 169.6 miles (272.9 km), with a travel time of about 03h 26m by car.
- The straight-line flight distance is about 125.8 miles (202.5 km).
- For a round trip, plan for roughly 06h 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.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 03h 26m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Johnson and Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Johnson and Portland.
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1
Start on Raby Town Road
41 m · 6 sec · Raby Town Road
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2
Continue on Johnson Valley Road
2.5 mi · 10 min · Johnson Valley Road
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3
At the end of the road, turn left onto Sweetwater Road
3.6 mi · 6 min · Sweetwater Road
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4
At the end of the road, turn left onto Loudon Highway
5.4 mi · 8 min · Loudon Highway
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5
At the end of the road, turn right onto Decatur Highway
4.6 mi · 7 min · Decatur Highway
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6
Continue on South Kentucky Street
2.2 mi · 6 min · South Kentucky Street
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7
Turn left
1775 ft · 43 sec
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8
Merge slight left
120.3 mi · 2 hr 9 min
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9
Take the exit slight right toward TN 109: Gallatin
1834 ft · 48 sec
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10
Turn right
12.7 mi · 18 min
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11
Turn left
17.6 mi · 20 min
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12
Arrive at your destination
0 m · 1 sec · North Broadway
Car Route Details
A richer read on the saved driving route between Johnson and Portland.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
South Kentucky Street
Merge slight left
120 mi · 02h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Chance Rain Showers leaving Johnson and Chance Rain Showers near Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Johnson to Portland?
The road trip is about 169.6 miles (272.9 km) and usually takes 03h 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?
Cookeville is a useful midpoint, sitting about 84.7 miles from Johnson and 84.8 miles from Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 125.8 miles (202.5 km), while the road route adds roughly 43.8 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 10:08 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.55 one way or $45.10 round trip. Estimated CO2 is about 53.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Johnson and Portland, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Johnson and Chance Rain Showers near Portland.
Stop Ideas Near Cookeville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Cookeville.
Nashville, TN
Flight Path Map
This map shows the direct air route between Johnson and Portland. Straight-line distance: 125.85 mi (202.53 km).
#1 Johnson
Johnson is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.6723000, -84.5624300 |
| Altitude | 273 |
| Country | United States |
#2 Portland
City in Sumner County, Tennessee, United States
| Population | 13,301 |
| Coordinates | 36.5817100, -86.5163800 |
| Altitude | 244 |
| Country | United States |
End: Portland (-86.51638, 36.58171)
Estimated Travel Time
Distance: 273 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 38m |
| 40 mph (64.37 km/h) | 04h 14m |
| 50 mph (80.47 km/h) | 03h 23m |
| 60 mph (96.56 km/h) | 02h 49m |
| 70 mph (112.65 km/h) | 02h 25m |
| 80 mph (129 km/h) | 02h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $22.55 | $45.10 |
| Mid-grade | $4.25 | $25.43 | $50.87 |
| Premium | $4.65 | $27.83 | $55.66 |
| Diesel | $5.30 | $31.72 | $63.44 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.