How far is Wilmington Island, GA from Alpharetta, GA?

The driving distance from Wilmington Island, GA to Alpharetta, GA is about 287.8 miles (463.1 km), with a travel time of about 04h 46m by car.

  • The straight-line flight distance is about 239.7 miles (385.8 km).
  • For a round trip, plan for roughly 09h 32m 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
287.75 mi
04h 46m
Flight
239.72 mi
385.79 km direct

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

Learn Distance

Choose another destination from Wilmington Island.

Flight Distance

Direct air line
239.72 mi
Kilometers
385.79 km
Flight Time
00h 28m

Driving Distance

Road route
287.75 mi
Kilometers
463.09 km
Drive Time
04h 46m

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 04h 46m.

Arrival Snapshot
Arrive in Alpharetta
Sat, Apr 18, 11:14 AM EDT
Return by in Wilmington Island
Sat, Apr 18, 4:00 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Wilmington Island
2026-04-18T06:27
Arrive Alpharetta
Sat, Apr 18, 11:14 AM EDT
Route Timing
04h 46m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:46 AM to 12:46 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
7:28 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Wilmington Island
9:00 PM EDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Allentown
GA

Human settlement in Bleckley, Laurens, Twiggs, and Wilkinson counties, Georgia, United States of America

From Wilmington Island
141.9 mi
02h 23m
To Alpharetta
145.8 mi
02h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
84°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 12 mph S
Destination
90°F
Saturday

Mostly Sunny

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

Driving Route Map

The map below follows the saved road route between Wilmington Island and Alpharetta.

Turn-by-Turn Driving Directions

Step-by-step road directions between Wilmington Island and Alpharetta.

  1. 1

    Start on Wigmore Court

    141 m · 22 sec · Wigmore Court

  2. 2

    Turn right onto Wigmore Road

    102 m · 16 sec · Wigmore Road

  3. 3

    Turn right onto Gloucester Road

    718 ft · 27 sec · Gloucester Road

  4. 4

    Turn right onto Olde Towne Road

    1525 ft · 59 sec · Olde Towne Road

  5. 5

    Turn left onto Penn Waller Road

    1.4 km · 2 min · Penn Waller Road

  6. 6

    Turn left onto Johnny Mercer Boulevard

    3.5 mi · 6 min · Johnny Mercer Boulevard

  7. 7

    Turn left

    3.5 mi · 5 min

  8. 8

    Turn right onto Bee Road

    1770 ft · 42 sec · Bee Road

  9. 9

    Turn left onto East 37th Street

    2.2 mi · 4 min · East 37th Street

  10. 10

    Turn slight right

    140 m · 10 sec

  11. 11

    Take the ramp straight

    3120 ft · 1 min

  12. 12

    Merge slight right onto Jim Gillis Historic Savannah Parkway

    163.6 mi · 2 hr 56 min · Jim Gillis Historic Savannah Parkway

  13. 13

    Continue on Fall Line Freeway

    2560 ft · 40 sec · Fall Line Freeway

  14. 14

    Keep slight right to continue on I 75 North: Atlanta

    2746 ft · 43 sec

  15. 15

    Merge slight left

    62.1 mi · 1 hr 7 min

  16. 16

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

    22.8 mi · 28 min

  17. 17

    Keep slight left to continue on Northeast Expressway

    2.7 mi · 4 min · Northeast Expressway

  18. 18

    Keep slight right to continue on T Harvey Mathis Parkway

    7.1 mi · 9 min · T Harvey Mathis Parkway

  19. 19

    Continue on Turner McDonald Parkway

    11 mi · 14 min · Turner McDonald Parkway

  20. 20

    Take the exit slight right toward Alpharetta, Haynes Bridge Road

    1424 ft · 33 sec

  21. 21

    Turn left onto Haynes Bridge Road

    1.3 mi · 2 min · Haynes Bridge Road

  22. 22

    Turn left onto Old Milton Parkway

    869 ft · 21 sec · Old Milton Parkway

  23. 23

    Turn right onto South Main Street

    1764 ft · 53 sec · South Main Street

  24. 24

    Turn right onto Academy Street

    42 m · 4 sec · Academy Street

  25. 25

    Arrive at your destination

    0 m · 1 sec · Academy Street

Car Route Details

A richer read on the saved driving route between Wilmington Island and Alpharetta.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
25 steps
14 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
8.7 / 100 mi
Decision points by distance
Main Roads
Jim Gillis Historic Savannah Parkway
164 mi · 57%
I 75 North
85.4 mi · 30%
Turner McDonald Parkway
11.3 mi · 4%
T Harvey Mathis Parkway
7.06 mi · 2%
Johnny Mercer Boulevard
3.53 mi · 1%
East 37th Street
2.75 mi · 1%
Longest Stretch

Jim Gillis Historic Savannah Parkway

Merge slight right onto Jim Gillis Historic Savannah Parkway

164 mi · 02h 56m

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
04h 46m
Long day trip
Same-Day Return
09h 32m
Round-trip wheel time
Road vs Air
+48.1 mi
239.7 mi direct line
Halfway Stop
Allentown
02h 23m from Wilmington Island
Leave By
7:28 AM EDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Wilmington Island and Mostly Sunny near Alpharetta.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Wilmington Island to Alpharetta?

The road trip is about 287.8 miles (463.1 km) and usually takes 04h 46m 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?

Allentown is a useful midpoint, sitting about 141.9 miles from Wilmington Island and 145.8 miles from Alpharetta.

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

The direct path is about 239.7 miles (385.8 km), while the road route adds roughly 48.1 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 7:28 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $40.20 one way or $80.41 round trip. Estimated CO2 is about 90.2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Wilmington Island and Mostly Sunny near Alpharetta.

Flight Path Map

This map shows the direct air route between Wilmington Island and Alpharetta. Straight-line distance: 239.72 mi (385.79 km).

Wilmington Island

#1 Wilmington Island

Census-designated place in Chatham County, Georgia

Population15,138
Coordinates32.0035500, -80.9737200
Altitude3
CountryUnited States
Alpharetta

#2 Alpharetta

The most populous city in Fulton County, Georgia.

Population67,897
Coordinates34.0753800, -84.2940900
Altitude347
CountryUnited States
Start: Wigmore Court (-80.973543, 32.003484)
End: Academy Street (-84.29408, 34.075615)

Estimated Travel Time

Distance: 463 km by road

SpeedTime
30 mph (48.3 km/h)09h 35m
40 mph (64.37 km/h)07h 11m
50 mph (80.47 km/h)05h 45m
60 mph (96.56 km/h)04h 47m
70 mph (112.65 km/h)04h 06m
80 mph (129 km/h)03h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.15 gal
38.44 L · about $40.20
Round trip
$80.41
20.3 gal · 76.88 L
Estimated CO2
90.2 kg one way
Round trip: 180.4 kg / 398 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $40.20 $80.41
Mid-grade $4.43 $44.95 $89.91
Premium $4.78 $48.50 $96.99
Diesel $5.62 $57.08 $114.17

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 18, 2026

There is no time difference between Wilmington Island and Alpharetta. The current time is 06:27:39.

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.