How far is Decatur, GA from Roswell, GA?

Fastest route

directions from Decatur, Georgia 30030 to Roswell, Georgia:

  1. Head east on E Court Square toward E Ponce de Leon Ave.
  2. Turn right onto E Ponce de Leon Ave.
  3. Turn left onto Commerce Dr.
  4. Turn right onto Clairemont Ave and continue onto US-23 N/Clairmont Rd.
  5. Use the left lane to turn left onto I-85 Access Rd/I-85 Frontage Rd.
  6. Use the left lane to merge onto I-85 S via the ramp to Atlanta.
  7. Take GA-400 N and US-19 N to Dunwoody Pl in Sandy Springs. Take exit 6 from US-19 N.
  8. Use the right 2 lanes to take exit 86 to merge onto GA-400 N toward Buckhead/Cumming.
  9. Continue onto GA-400 N/US-19 N.
  10. Take exit 6 for Northridge Road and keep right at the fork, following signs for Roswell Road/Dunwoody Place and merge onto Dunwoody Pl.
  11. Follow Dunwoody Pl and GA-9 to Canton St in Roswell.
  12. Use the right 2 lanes to turn right onto GA-9/Roswell Rd.
  13. Continue to follow GA-9.

Directions

To get from Decatur, Georgia 30030 to Roswell, Georgia, you can follow these steps:

  1. Start by heading east on E Court Square toward E Ponce de Leon Ave.
  2. Turn right onto E Ponce de Leon Ave.
  3. Then, turn left onto Commerce Dr.
  4. Next, turn right onto Clairemont Ave and continue onto US-23 N/Clairmont Rd.
  5. Use the left lane to turn left onto I-85 Access Rd/I-85 Frontage Rd.
  6. Merge onto I-85 S via the ramp to Atlanta.
  7. Take GA-400 N and US-19 N to Dunwoody Pl in Sandy Springs. Take exit 6 from US-19 N.
  8. Use the right 2 lanes to take exit 86 to merge onto GA-400 N toward Buckhead/Cumming.
  9. Continue onto GA-400 N/US-19 N.
  10. Take exit 6 for Northridge Road and keep right at the fork, following signs for Roswell Road/Dunwoody Place, and merge onto Dunwoody Pl.
  11. Follow Dunwoody Pl and GA-9 to Canton St in Roswell.
  12. Finally, use the right 2 lanes to turn right onto GA-9/Roswell Rd and continue to follow GA-9.

Tips & Suggestions

  • 🛣️ Plan your journey ahead of time to familiarize yourself with the route.
  • ⚠️ Stay alert and follow traffic signs and regulations.
  • ⛽ Make sure your vehicle has enough fuel for the trip.
  • 🚗 Consider using a GPS or navigation app for real-time directions.
  • 🕒 Check the traffic conditions before you start to anticipate any delays.
  • 📱 Keep your phone charged and easily accessible in case you need to make any emergency calls or use navigation apps.
  • 🚦 Be patient and mindful of other drivers on the road.
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
25.07 mi
00h 35m
Flight
17.56 mi
28.26 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Decatur.

Flight Distance

Direct air line
17.56 mi
Kilometers
28.26 km
Flight Time
00h 02m

Driving Distance

Road route
25.07 mi
Kilometers
40.34 km
Drive Time
00h 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 00h 35m.

Arrival Snapshot
Arrive in Roswell
Tue, May 12, 10:17 PM EDT
Return by in Decatur
Tue, May 12, 10:52 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Decatur
2026-05-12T21:41
Arrive Roswell
Tue, May 12, 10:17 PM EDT
Route Timing
00h 35m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:36 AM to 7:36 PM EDT

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

Leave by
7:18 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Decatur
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
North Atlanta
GA

A neighborhood in the city of Atlanta, Georgia.

From Decatur
11.1 mi
00h 17m
To Roswell
14 mi
00h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
77°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
5 to 10 mph E
Destination
78°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
5 to 10 mph E

Driving Route Map

The map below follows the saved road route between Decatur and Roswell.

Turn-by-Turn Driving Directions

Step-by-step road directions between Decatur and Roswell.

  1. 1

    Start on the route

    88 m · 27 sec

  2. 2

    At the end of the road, turn left onto East Ponce de Leon Avenue

    57 m · 8 sec · East Ponce de Leon Avenue

  3. 3

    Turn right onto Clairemont Avenue

    1.1 mi · 2 min · Clairemont Avenue

  4. 4

    Continue on Clairmont Road

    1.9 mi · 3 min · Clairmont Road

  5. 5

    Turn left onto North Druid Hills Road

    2.1 mi · 4 min · North Druid Hills Road

  6. 6

    Turn slight left

    56 m · 10 sec

  7. 7

    Take the ramp straight

    1948 ft · 48 sec

  8. 8

    Merge slight left onto Northeast Expressway

    1.4 km · 1 min · Northeast Expressway

  9. 9

    Take the exit slight right toward GA 13 South, GA 400 North: Buckhead, Cumming

    661 ft · 16 sec

  10. 10

    Keep slight right to continue on GA 400 North: Buckhead, Cumming

    2037 ft · 50 sec

  11. 11

    Merge slight left onto T Harvey Mathis Parkway

    6.2 mi · 8 min · T Harvey Mathis Parkway

  12. 12

    Continue on Turner McDonald Parkway

    5 mi · 7 min · Turner McDonald Parkway

  13. 13

    Take the exit slight right toward Northridge Road

    1416 ft · 48 sec

  14. 14

    Keep slight right to continue on Dunwoody Place

    837 ft · 21 sec

  15. 15

    Turn right onto Dunwoody Place

    1.2 mi · 3 min · Dunwoody Place

  16. 16

    Turn right onto Roswell Road

    1.7 mi · 3 min · Roswell Road

  17. 17

    Continue on North Atlanta Street

    2899 ft · 1 min · North Atlanta Street

  18. 18

    Keep slight left to continue on North Atlanta Street

    120 m · 10 sec · North Atlanta Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · North Atlanta Street

Car Route Details

A richer read on the saved driving route between Decatur and Roswell.

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
19 steps
7 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
75.7 / 100 mi
Decision points by distance
Main Roads
T Harvey Mathis Parkway
6.24 mi · 25%
Turner McDonald Parkway
4.99 mi · 20%
North Druid Hills Road
2.42 mi · 10%
Clairmont Road
1.86 mi · 7%
Roswell Road
1.66 mi · 7%
Dunwoody Place
1.39 mi · 6%
Longest Stretch

T Harvey Mathis Parkway

Merge slight left onto T Harvey Mathis Parkway

6.24 mi · 00h 08m

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 35m
Quick drive
Same-Day Return
01h 12m
Round-trip wheel time
Road vs Air
+7.4 mi
17.6 mi direct line
Halfway Stop
North Atlanta
00h 17m from Decatur
Leave By
7:18 PM EDT
Flexible departure
Weather Watch

Mostly Sunny leaving Decatur and Mostly Sunny near Roswell.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Decatur to Roswell?

The road trip is about 25 miles (40.3 km) and usually takes 00h 35m 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?

North Atlanta is a useful midpoint, sitting about 11.1 miles from Decatur and 14 miles from Roswell.

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

The direct path is about 17.6 miles (28.3 km), while the road route adds roughly 7.4 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 7:18 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.49 one way or $6.97 round trip. Estimated CO2 is about 7.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Decatur and Mostly Sunny near Roswell.

Stop Ideas Near North Atlanta

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around North Atlanta and the surrounding midpoint area.
Cafe 55
Coffee break 9.4 mi away

Cafe 55

Atlanta , GA
55 Trinity Ave SW, Atlanta, GA 30303
Rating 3.8/5 10 reviews Cafeteria
Atlanta City Hall
Meeting point 9.4 mi away

Atlanta City Hall

Atlanta , GA
55 Trinity Ave SW, Atlanta, GA 30303
Rating 3.9/5 58 reviews City Hall,City government office
Stop photo coming soon
Nearby stop 9.4 mi away

Atlanta Revenue Bureau

Atlanta , GA
55 Trinity Ave SW # 1350, Atlanta, GA 30303
Rating 5.0/5 1 reviews City tax office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to North Atlanta.

RAIL

Peachtree Station

9 mi away
1688 Peachtree Street, NW
RAIL

Gainesville

66 mi away
116 Industrial Boulevard

Flight Path Map

This map shows the direct air route between Decatur and Roswell. Straight-line distance: 17.56 mi (28.26 km).

Decatur

#1 Decatur

County seat of DeKalb County, Georgia, United States

Population25,655
Coordinates33.7748300, -84.2963100
Altitude318
CountryUnited States
Roswell

#2 Roswell

A city in Fulton County, Georgia.

Population95,434
Coordinates34.0231600, -84.3615900
Altitude328
CountryUnited States
Start: East Court Square (-84.296067, 33.774966)
End: North Atlanta Street (-84.361558, 34.02316)

Estimated Travel Time

Distance: 40 km by road

SpeedTime
30 mph (48.3 km/h)00h 50m
40 mph (64.37 km/h)00h 37m
50 mph (80.47 km/h)00h 30m
60 mph (96.56 km/h)00h 25m
70 mph (112.65 km/h)00h 21m
80 mph (129 km/h)00h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.88 gal
3.35 L · about $3.49
Round trip
$6.97
1.76 gal · 6.7 L
Estimated CO2
7.8 kg one way
Round trip: 15.6 kg / 34 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $3.49 $6.97
Mid-grade $4.43 $3.90 $7.80
Premium $4.78 $4.20 $8.41
Diesel $5.62 $4.95 $9.90

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 · May 13, 2026

There is no time difference between Decatur and Roswell. The current time is 21:41:52.

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.