How far is Greenfield, TN from Knoxville, TN?

The driving distance from Greenfield, TN to Knoxville, TN is about 324.1 miles (521.6 km), with a travel time of about 05h 08m by car.

  • The straight-line flight distance is about 272.8 miles (439.1 km).
  • For a round trip, plan for roughly 10h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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
324.1 mi
05h 08m
Flight
272.88 mi
439.15 km direct

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

Learn Distance

Choose another destination from Greenfield.

Flight Distance

Direct air line
272.88 mi
Kilometers
439.15 km
Flight Time
00h 32m

Driving Distance

Road route
324.1 mi
Kilometers
521.59 km
Drive Time
05h 08m

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 08m.

Arrival Snapshot
Arrive in Knoxville
Sun, May 31, 6:47 AM EDT
Return by in Greenfield
Sun, May 31, 10:56 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Greenfield
2026-05-31T00:38
Arrive Knoxville
Sun, May 31, 5:47 AM CDT
Route Timing
05h 08m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
12:09 PM to 2:09 PM EDT

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

Leave by
6:42 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Greenfield
9:00 PM CDT
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
Mount Juliet
TN

City in Wilson County, Tennessee, United States; suburb of Nashville, Tennessee

From Greenfield
161.7 mi
02h 34m
To Knoxville
162.4 mi
02h 34m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
86°F
Sunday

Patchy Fog then Mostly Sunny

Starts
Sun, May 31 6:00 AM CDT
Wind
0 mph
Destination
82°F
Sunday

Partly Sunny then Chance Showers And Thunderstorms

Starts
Sun, May 31 6:00 AM EDT
Wind
0 mph

Driving Route Map

The map below follows the saved road route between Greenfield and Knoxville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Greenfield and Knoxville.

  1. 1

    Start on East Main Street

    15.5 mi · 27 min · East Main Street

  2. 2

    Continue on West Magnolia Avenue

    1.4 km · 2 min · West Magnolia Avenue

  3. 3

    Turn right onto North Stonewall Street

    958 ft · 19 sec · North Stonewall Street

  4. 4

    Turn straight onto Cedar Street

    1.3 mi · 2 min · Cedar Street

  5. 5

    Continue on Old McKenzie Road

    1.2 mi · 2 min · Old McKenzie Road

  6. 6

    Turn right

    6.6 mi · 8 min

  7. 7

    Continue straight

    119 m · 9 sec

  8. 8

    Turn right onto Veterans Drive North

    1.5 mi · 2 min · Veterans Drive North

  9. 9

    Turn left

    2.1 mi · 3 min

  10. 10

    Turn right onto Lexington Street

    1.9 mi · 3 min · Lexington Street

  11. 11

    Turn right

    6.5 mi · 9 min

  12. 12

    Continue on Lexington Clarksburg Road

    1009 ft · 21 sec · Lexington Clarksburg Road

  13. 13

    Continue straight

    5.4 mi · 8 min

  14. 14

    Take the exit left toward Primary SR 22: Parkers Crossroad, Lexington, Huntingdon

    1179 ft · 25 sec

  15. 15

    Merge slight left

    99.3 mi · 1 hr 47 min

  16. 16

    Keep slight right to continue on I 40 East, I 65 South: Knoxville, Huntsville

    1305 ft · 25 sec

  17. 17

    Merge slight left onto Downtown Loop

    2.4 mi · 3 min · Downtown Loop

  18. 18

    Continue on Downtown Loop

    2764 ft · 43 sec · Downtown Loop

  19. 19

    Keep slight right to continue on I 40 East, I 24 East: Knoxville, Chattanooga

    173.8 mi · 3 hr 10 min

  20. 20

    Keep slight left

    2.9 mi · 4 min

  21. 21

    Take the exit slight right toward Convention Center, East Tennessee History Center, Museum of Art

    2116 ft · 28 sec

  22. 22

    Keep slight left to continue on Convention Center, East Tennessee History Center, Museum of Art

    2403 ft · 56 sec

  23. 23

    Continue on Henley Street

    1238 ft · 27 sec · Henley Street

  24. 24

    Continue on Henley Street

    78 m · 12 sec · Henley Street

  25. 25

    Arrive at your destination

    0 m · 1 sec · Henley Street

Car Route Details

A richer read on the saved driving route between Greenfield and Knoxville.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
25 steps
7 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
7.7 / 100 mi
Decision points by distance
Main Roads
I 40 East
177 mi · 55%
Primary SR 22
99.5 mi · 31%
East Main Street
15.5 mi · 5%
Lexington Clarksburg Road
5.62 mi · 2%
Downtown Loop
2.93 mi · 1%
Lexington Street
1.91 mi · 1%
Longest Stretch

I 40 East

Keep slight right to continue on I 40 East, I 24 East: Knoxville, Chattanooga

174 mi · 03h 10m

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 08m
Long day trip
Same-Day Return
10h 18m
Round-trip wheel time
Road vs Air
+51.3 mi
272.8 mi direct line
Halfway Stop
Mount Juliet
02h 34m from Greenfield
Leave By
6:42 AM CDT
Early departure recommended
Weather Watch

Patchy Fog then Mostly Sunny leaving Greenfield and Partly Sunny then Chance Showers And Thunderstorms near Knoxville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Greenfield to Knoxville?

The road trip is about 324.1 miles (521.6 km) and usually takes 05h 08m 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?

Mount Juliet is a useful midpoint, sitting about 161.7 miles from Greenfield and 162.4 miles from Knoxville.

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

The direct path is about 272.8 miles (439.1 km), while the road route adds roughly 51.3 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 CDT. If you want a more comfortable same-day return, try to leave by 6:42 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $43.14 one way or $86.28 round trip. Estimated CO2 is about 101.7 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Patchy Fog then Mostly Sunny around Greenfield and Partly Sunny then Chance Showers And Thunderstorms near Knoxville.

Stop Ideas Near Mount Juliet

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Mount Juliet, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Mount Juliet.

BUS

Nashville, TN

23 mi away
705 5th Avenue South
BUS

Clarksville, TN

84 mi away
11 Jefferson Street \r\n

Flight Path Map

This map shows the direct air route between Greenfield and Knoxville. Straight-line distance: 272.88 mi (439.15 km).

Greenfield

#1 Greenfield

City in Weakley County, Tennessee, United States

Population2,071
Coordinates36.1534000, -88.8006200
Altitude131
CountryUnited States
Knoxville

#2 Knoxville

The most populous city in Tennessee.

Population190,223
Coordinates35.9606400, -83.9207400
Altitude276
CountryUnited States
Start: East Main Street (-88.800625, 36.153432)
End: US 11 (-83.920795, 35.960617)

Estimated Travel Time

Distance: 522 km by road

SpeedTime
30 mph (48.3 km/h)10h 47m
40 mph (64.37 km/h)08h 06m
50 mph (80.47 km/h)06h 28m
60 mph (96.56 km/h)05h 24m
70 mph (112.65 km/h)04h 37m
80 mph (129 km/h)04h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.44 gal
43.29 L · about $43.14
Round trip
$86.28
22.88 gal · 86.58 L
Estimated CO2
101.7 kg one way
Round trip: 203.3 kg / 448 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $43.14 $86.28
Mid-grade $4.25 $48.65 $97.31
Premium $4.65 $53.24 $106.48
Diesel $5.30 $60.68 $121.36

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 · May 31, 2026

Please keep in mind that there is a 1 hour time gap between Greenfield, TN and Knoxville, TN. The current time in Greenfield is 00:38:26, although it is 01:38:26 in Knoxville.

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.