How far is Cumming, GA from Dunwoody, GA?

The driving distance from Cumming, GA to Dunwoody, GA is about 23.6 miles (38 km), with a travel time of about 00h 29m by car.

  • The straight-line flight distance is about 21.2 miles (34.1 km).
  • For a round trip, plan for roughly 00h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
23.61 mi
00h 29m
Flight
21.19 mi
34.11 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Cumming.

Flight Distance

Direct air line
21.19 mi
Kilometers
34.11 km
Flight Time
00h 02m

Driving Distance

Road route
23.61 mi
Kilometers
37.99 km
Drive Time
00h 29m

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 00h 29m.

Arrival Snapshot
Arrive in Dunwoody
Wed, Apr 15, 10:11 PM EDT
Return by in Cumming
Wed, Apr 15, 10:41 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Cumming
2026-04-15T21:42
Arrive Dunwoody
Wed, Apr 15, 10:11 PM EDT
Route Timing
00h 29m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:29 AM to 7:29 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:32 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Cumming
10:00 PM EDT
Flexible departure

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
Alpharetta
GA

The most populous city in Fulton County, Georgia.

From Cumming
11.7 mi
00h 14m
To Dunwoody
11.9 mi
00h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Overnight

Mostly Clear

Starts
Wed, Apr 15 4:00 AM EDT
Wind
0 mph
Destination
87°F
Today

Sunny

Starts
Wed, Apr 15 8:00 AM EDT
Wind
0 to 10 mph W

Driving Route Map

The map below follows the saved road route between Cumming and Dunwoody.

Turn-by-Turn Driving Directions

Step-by-step road directions between Cumming and Dunwoody.

  1. 1

    Start on the route

    12 m · 9 sec

  2. 2

    Turn sharp left onto West Courthouse Square

    147 m · 15 sec · West Courthouse Square

  3. 3

    Continue on Castleberry Road

    144 m · 13 sec · Castleberry Road

  4. 4

    Turn left onto Bank Avenue

    128 m · 21 sec · Bank Avenue

  5. 5

    Turn right onto Veterans Memorial Boulevard

    1.2 mi · 2 min · Veterans Memorial Boulevard

  6. 6

    Continue on Buford Highway

    1222 ft · 25 sec · Buford Highway

  7. 7

    Take the ramp slight right toward US 19 South, GA 400 South

    2201 ft · 54 sec

  8. 8

    Merge slight left onto Turner McDonald Parkway

    18.4 mi · 22 min · Turner McDonald Parkway

  9. 9

    Take the exit slight right toward Northridge Road

    1226 ft · 44 sec

  10. 10

    Turn right onto Northridge Road

    599 ft · 15 sec · Northridge Road

  11. 11

    Turn right onto Roberts Drive

    2.1 mi · 5 min · Roberts Drive

  12. 12

    Continue on Chamblee Dunwoody Road

    2388 ft · 1 min · Chamblee Dunwoody Road

  13. 13

    Turn right

    36 m · 9 sec

  14. 14

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Cumming and Dunwoody.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
14 steps
7 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
59.3 / 100 mi
Decision points by distance
Main Roads
Turner McDonald Parkway
18.4 mi · 78%
Roberts Drive
2.12 mi · 9%
Veterans Memorial Boulevard
1.21 mi · 5%
Chamblee Dunwoody Road
0.45 mi · 2%
US 19 South
0.42 mi · 2%
Northridge Road
0.35 mi · 1%
Longest Stretch

Turner McDonald Parkway

Merge slight left onto Turner McDonald Parkway

18.4 mi · 00h 22m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 29m
Quick drive
Same-Day Return
00h 58m
Round-trip wheel time
Road vs Air
+2.4 mi
21.2 mi direct line
Halfway Stop
Alpharetta
00h 14m from Cumming
Leave By
7:32 PM EDT
Flexible departure
Weather Watch

Mostly Clear leaving Cumming and Sunny near Dunwoody.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Cumming to Dunwoody?

The road trip is about 23.6 miles (38 km) and usually takes 00h 29m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Alpharetta is a useful midpoint, sitting about 11.7 miles from Cumming and 11.9 miles from Dunwoody.

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

The direct path is about 21.2 miles (34.1 km), while the road route adds roughly 2.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:32 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.29 one way or $6.58 round trip. Estimated CO2 is about 7.4 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Clear around Cumming and Sunny near Dunwoody.

Stop Ideas Near Alpharetta

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

Mid-route Guidance
Local place coverage is thin around Alpharetta, 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 Alpharetta.

RAIL

Peachtree Station

32 mi away
1688 Peachtree Street, NW
RAIL

Gainesville

49 mi away
116 Industrial Boulevard
RAIL

Toccoa

105 mi away
47 North Alexander St.

Flight Path Map

This map shows the direct air route between Cumming and Dunwoody. Straight-line distance: 21.19 mi (34.11 km).

Cumming

#1 Cumming

City in Forsyth County, Georgia, USA

Population6,639
Coordinates34.2073200, -84.1401900
Altitude371
CountryUnited States
Dunwoody

#2 Dunwoody

Town in DeKalb County, Georgia, USA

Population49,326
Coordinates33.9462100, -84.3346500
Altitude345
CountryUnited States
Start: (-84.14019, 34.207394)
End: (-84.334674, 33.9462)

Estimated Travel Time

Distance: 38 km by road

SpeedTime
30 mph (48.3 km/h)00h 47m
40 mph (64.37 km/h)00h 35m
50 mph (80.47 km/h)00h 28m
60 mph (96.56 km/h)00h 23m
70 mph (112.65 km/h)00h 20m
80 mph (129 km/h)00h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.83 gal
3.15 L · about $3.29
Round trip
$6.58
1.66 gal · 6.3 L
Estimated CO2
7.4 kg one way
Round trip: 14.8 kg / 33 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $3.29 $6.58
Mid-grade $4.43 $3.68 $7.35
Premium $4.78 $3.97 $7.93
Diesel $5.62 $4.67 $9.34

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 Georgia · Apr 16, 2026

There is no time difference between Cumming and Dunwoody. The current time is 21:42:50.

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.