How far is Saint Simon Mills, GA from Brookhaven, GA?

The driving distance from Saint Simon Mills, GA to Brookhaven, GA is about 321.7 miles (517.7 km), with a travel time of about 05h 09m by car.

  • The straight-line flight distance is about 252.3 miles (406.1 km).
  • For a round trip, plan for roughly 10h 19m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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
321.7 mi
05h 09m
Flight
252.33 mi
406.08 km direct

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

Learn Distance

Choose another destination from Saint Simon Mills.

Flight Distance

Direct air line
252.33 mi
Kilometers
406.08 km
Flight Time
00h 30m

Driving Distance

Road route
321.7 mi
Kilometers
517.73 km
Drive Time
05h 09m

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 09m.

Arrival Snapshot
Arrive in Brookhaven
Sun, Apr 19, 3:26 PM EDT
Return by in Saint Simon Mills
Sun, Apr 19, 8:36 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Simon Mills
2026-04-19T10:16
Arrive Brookhaven
Sun, Apr 19, 3:26 PM EDT
Route Timing
05h 09m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
11:10 AM to 1:10 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
6:40 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Saint Simon Mills
9:00 PM EDT
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
Soperton
GA

City in Treutlen County, Georgia, United States of America

From Saint Simon Mills
160.3 mi
02h 35m
To Brookhaven
161.4 mi
02h 35m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
86°F
Sunday

Partly Sunny

Starts
Sun, Apr 19 6:00 AM EDT
Wind
6 to 12 mph SW
Destination
72°F
Sunday

Slight Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
10 to 15 mph NW

Driving Route Map

The map below follows the saved road route between Saint Simon Mills and Brookhaven.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Simon Mills and Brookhaven.

  1. 1

    Start on Arthur J. Moore Drive

    115 m · 19 sec · Arthur J. Moore Drive

  2. 2

    Turn left onto Hamilton Road

    1085 ft · 49 sec · Hamilton Road

  3. 3

    At the end of the road, turn right onto Sea Island Road

    157 m · 13 sec · Sea Island Road

  4. 4

    Turn straight

    992 ft · 27 sec

  5. 5

    Keep slight right

    1046 ft · 20 sec

  6. 6

    Continue on F. J. Torras Causeway

    2.1 mi · 3 min · F. J. Torras Causeway

  7. 7

    Continue on Fernando Joseph Torras Causeway

    2 mi · 3 min · Fernando Joseph Torras Causeway

  8. 8

    Turn right onto Glynn Avenue

    1.6 mi · 3 min · Glynn Avenue

  9. 9

    Continue on Golden Isles Parkway

    4.3 mi · 7 min · Golden Isles Parkway

  10. 10

    Take the exit slight right toward I 95 North: I 95 North

    2923 ft · 1 min

  11. 11

    Merge slight left

    60 mi · 1 hr 5 min

  12. 12

    Keep slight right

    3075 ft · 48 sec

  13. 13

    Take the exit slight right toward I 16 West: Macon

    1192 ft · 51 sec

  14. 14

    Merge slight left onto Jim Gillis Historic Savannah Parkway

    155.9 mi · 2 hr 47 min · Jim Gillis Historic Savannah Parkway

  15. 15

    Continue on Fall Line Freeway

    2560 ft · 40 sec · Fall Line Freeway

  16. 16

    Keep slight right to continue on I 75 North: Atlanta

    2746 ft · 43 sec

  17. 17

    Merge slight left

    62.1 mi · 1 hr 7 min

  18. 18

    Keep slight left to continue on I 75 North: Atlanta, Birmingham

    22.8 mi · 28 min

  19. 19

    Keep slight left to continue on Northeast Expressway

    1.5 mi · 2 min · Northeast Expressway

  20. 20

    Take the exit slight right toward GA 13 North: Buford Highway

    3014 ft · 1 min

  21. 21

    Merge slight left onto Buford-Spring Connector

    1.4 mi · 2 min · Buford-Spring Connector

  22. 22

    Continue on Buford Highway

    1.2 mi · 2 min · Buford Highway

  23. 23

    Turn left onto North Druid Hills Road Northeast

    1838 ft · 37 sec · North Druid Hills Road Northeast

  24. 24

    Keep slight right to continue on North Druid Hills Road Northeast

    1.5 mi · 3 min · North Druid Hills Road Northeast

  25. 25

    Turn slight right onto Peachtree Road Northeast

    130 m · 12 sec · Peachtree Road Northeast

  26. 26

    Turn right

    42 m · 12 sec

  27. 27

    Turn right

    19 m · 10 sec

  28. 28

    Turn left

    106 m · 25 sec

  29. 29

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Saint Simon Mills and Brookhaven.

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
29 steps
9 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
9 / 100 mi
Decision points by distance
Main Roads
Jim Gillis Historic Savannah Parkway
156 mi · 48%
I 75 North
85.4 mi · 27%
I 95 North
61.1 mi · 19%
Golden Isles Parkway
4.26 mi · 1%
F. J. Torras Causeway
2.1 mi · 1%
Fernando Joseph Torras Causeway
1.98 mi · 1%
Longest Stretch

Jim Gillis Historic Savannah Parkway

Merge slight left onto Jim Gillis Historic Savannah Parkway

156 mi · 02h 47m

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 09m
Long day trip
Same-Day Return
10h 20m
Round-trip wheel time
Road vs Air
+69.4 mi
252.3 mi direct line
Halfway Stop
Soperton
02h 35m from Saint Simon Mills
Leave By
6:40 AM EDT
Early departure recommended
Weather Watch

Partly Sunny leaving Saint Simon Mills and Slight Chance Rain Showers near Brookhaven.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Simon Mills to Brookhaven?

The road trip is about 321.7 miles (517.7 km) and usually takes 05h 09m 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?

Soperton is a useful midpoint, sitting about 160.3 miles from Saint Simon Mills and 161.4 miles from Brookhaven.

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

The direct path is about 252.3 miles (406.1 km), while the road route adds roughly 69.4 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 6:40 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $44.96 one way or $89.91 round trip. Estimated CO2 is about 100.9 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Saint Simon Mills and Slight Chance Rain Showers near Brookhaven.

Stop Ideas Near Soperton

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

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

RAIL

Jesup

109 mi away
176 Northwest Broad Street

Flight Path Map

This map shows the direct air route between Saint Simon Mills and Brookhaven. Straight-line distance: 252.33 mi (406.08 km).

Photo coming soon

#1 Saint Simon Mills

City in Glynn County, Georgia, United States of America

Population13,915
Coordinates31.1707900, -81.4073200
Altitude3
CountryUnited States
Brookhaven

#2 Brookhaven

A city in Fulton County, Georgia.

Population56,112
Coordinates33.8584400, -84.3402000
Altitude298
CountryUnited States
Start: Arthur J Moore Drive (-81.407088, 31.170718)
End: (-84.340246, 33.858529)

Estimated Travel Time

Distance: 518 km by road

SpeedTime
30 mph (48.3 km/h)10h 43m
40 mph (64.37 km/h)08h 02m
50 mph (80.47 km/h)06h 26m
60 mph (96.56 km/h)05h 21m
70 mph (112.65 km/h)04h 35m
80 mph (129 km/h)04h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.35 gal
42.97 L · about $44.96
Round trip
$89.91
22.7 gal · 85.94 L
Estimated CO2
100.9 kg one way
Round trip: 201.7 kg / 445 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $44.96 $89.91
Mid-grade $4.43 $50.27 $100.54
Premium $4.78 $54.23 $108.46
Diesel $5.62 $63.83 $127.66

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 19, 2026

There is no time difference between Saint Simon Mills and Brookhaven. The current time is 10:16:58.

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.