How far is Harriman, TN from East Chattanooga, TN?

The driving distance from Harriman, TN to East Chattanooga, TN is about 78.5 miles (126.4 km), with a travel time of about 01h 35m by car.

  • The straight-line flight distance is about 71.7 miles (115.4 km).
  • For a round trip, plan for roughly 03h 11m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
78.56 mi
01h 35m
Flight
71.68 mi
115.35 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Harriman.

Flight Distance

Direct air line
71.68 mi
Kilometers
115.35 km
Flight Time
00h 08m

Driving Distance

Road route
78.56 mi
Kilometers
126.43 km
Drive Time
01h 35m

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 01h 35m.

Arrival Snapshot
Arrive in East Chattanooga
Sun, Apr 19, 1:12 AM EDT
Return by in Harriman
Sun, Apr 19, 2:48 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Harriman
2026-04-18T23:36
Arrive East Chattanooga
Sun, Apr 19, 1:12 AM EDT
Route Timing
01h 35m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:36 AM to 11:36 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:18 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Harriman
9:30 PM EDT
Morning start is best

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
Dayton
TN

City and county seat in Rhea County, Tennessee, United States

From Harriman
39.2 mi
00h 47m
To East Chattanooga
39.3 mi
00h 47m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Overnight

Partly Cloudy

Starts
Sat, Apr 18 12:00 AM EDT
Wind
0 mph
Destination
86°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 10 mph SW

Driving Route Map

The map below follows the saved road route between Harriman and East Chattanooga.

Turn-by-Turn Driving Directions

Step-by-step road directions between Harriman and East Chattanooga.

  1. 1

    Start on North Roane Street

    4.8 mi · 6 min · North Roane Street

  2. 2

    Continue on North Gateway Avenue

    6.2 mi · 7 min · North Gateway Avenue

  3. 3

    Continue on Spring City Highway

    4.4 mi · 5 min · Spring City Highway

  4. 4

    Continue on Rhea County Highway

    31.9 mi · 40 min · Rhea County Highway

  5. 5

    Continue on Dayton Pike

    19.9 mi · 23 min · Dayton Pike

  6. 6

    Take the exit slight right toward TN 153 South: Chickamauga Dam

    1331 ft · 45 sec

  7. 7

    Continue on Dayton Pike

    4.7 mi · 6 min · Dayton Pike

  8. 8

    Keep slight left

    3.3 mi · 4 min

  9. 9

    Take the exit slight right toward SR 17 South

    865 ft · 29 sec

  10. 10

    Turn straight

    2.5 mi · 4 min

  11. 11

    Turn right onto Glass Street

    1824 ft · 39 sec · Glass Street

  12. 12

    Turn left onto North Chamberlain Avenue

    16 m · 1 sec · North Chamberlain Avenue

  13. 13

    Arrive at your destination

    0 m · 1 sec · North Chamberlain Avenue

Car Route Details

A richer read on the saved driving route between Harriman and East Chattanooga.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
13 steps
3 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
16.5 / 100 mi
Decision points by distance
Main Roads
Rhea County Highway
31.9 mi · 41%
Dayton Pike
27.9 mi · 36%
North Gateway Avenue
6.2 mi · 8%
North Roane Street
4.77 mi · 6%
Spring City Highway
4.35 mi · 6%
Glass Street
0.35 mi
Longest Stretch

Rhea County Highway

Continue on Rhea County Highway

31.9 mi · 00h 40m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 35m
Day trip friendly
Same-Day Return
03h 12m
Round-trip wheel time
Road vs Air
+6.8 mi
71.7 mi direct line
Halfway Stop
Dayton
00h 47m from Harriman
Leave By
3:18 PM EDT
Morning start is best
Weather Watch

Partly Cloudy leaving Harriman and Mostly Sunny near East Chattanooga.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Harriman to East Chattanooga?

The road trip is about 78.5 miles (126.4 km) and usually takes 01h 35m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Dayton is a useful midpoint, sitting about 39.2 miles from Harriman and 39.3 miles from East Chattanooga.

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

The direct path is about 71.7 miles (115.4 km), while the road route adds roughly 6.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:18 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.45 one way or $20.89 round trip. Estimated CO2 is about 24.6 kg one way.

What should you check before leaving?

Before you leave, expect Partly Cloudy around Harriman and Mostly Sunny near East Chattanooga.

Flight Path Map

This map shows the direct air route between Harriman and East Chattanooga. Straight-line distance: 71.68 mi (115.35 km).

Harriman

#1 Harriman

City in Tennessee

Population6,182
Coordinates35.9339600, -84.5524400
Altitude244
CountryUnited States
Photo coming soon

#2 East Chattanooga

A neighborhood in Chattanooga, Tennessee.

Population11,000
Coordinates35.0653500, -85.2491200
Altitude208
CountryUnited States
Start: US 27 (-84.552322, 35.933857)
End: North Chamberlain Avenue (-85.249066, 35.06533)

Estimated Travel Time

Distance: 126 km by road

SpeedTime
30 mph (48.3 km/h)02h 37m
40 mph (64.37 km/h)01h 57m
50 mph (80.47 km/h)01h 34m
60 mph (96.56 km/h)01h 18m
70 mph (112.65 km/h)01h 07m
80 mph (129 km/h)00h 58m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.77 gal
10.49 L · about $10.45
Round trip
$20.89
5.54 gal · 20.98 L
Estimated CO2
24.6 kg one way
Round trip: 49.2 kg / 108 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $10.45 $20.89
Mid-grade $4.25 $11.78 $23.56
Premium $4.65 $12.89 $25.78
Diesel $5.30 $14.69 $29.38

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

There is no time difference between Harriman and East Chattanooga. The current time is 23:36:24.

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.