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

The driving distance from Whitemarsh Island, GA to Alpharetta, GA is about 285.5 miles (459.4 km), with a travel time of about 04h 45m by car.

  • The straight-line flight distance is about 236.7 miles (380.9 km).
  • For a round trip, plan for roughly 09h 31m 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
285.46 mi
04h 45m
Flight
236.66 mi
380.86 km direct

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

Learn Distance

Choose another destination from Whitemarsh Island.

Flight Distance

Direct air line
236.66 mi
Kilometers
380.86 km
Flight Time
00h 28m

Driving Distance

Road route
285.46 mi
Kilometers
459.41 km
Drive Time
04h 45m

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 45m.

Arrival Snapshot
Arrive in Alpharetta
Sun, May 3, 11:46 AM EDT
Return by in Whitemarsh Island
Sun, May 3, 4:32 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Whitemarsh Island
2026-05-03T07:01
Arrive Alpharetta
Sun, May 3, 11:46 AM EDT
Route Timing
04h 45m
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 Whitemarsh 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 Whitemarsh Island
140.6 mi
02h 22m
To Alpharetta
144.8 mi
02h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Overnight

Partly Cloudy

Starts
Sun, May 3 3:00 AM EDT
Wind
5 mph N
Destination
44°F
Overnight

Clear

Starts
Sun, May 3 2:00 AM EDT
Wind
0 to 5 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    34 m · 10 sec

  2. 2

    Turn right

    56 m · 13 sec

  3. 3

    Continue on Commodore Drive

    3219 ft · 2 min · Commodore Drive

  4. 4

    Turn left onto Bradley Point Road

    1332 ft · 58 sec · Bradley Point Road

  5. 5

    At the end of the road, turn left onto Johnny Mercer Boulevard

    1.5 mi · 3 min · Johnny Mercer Boulevard

  6. 6

    Turn left

    3.5 mi · 5 min

  7. 7

    Turn right onto Bee Road

    1770 ft · 42 sec · Bee Road

  8. 8

    Turn left onto East 37th Street

    2.2 mi · 4 min · East 37th Street

  9. 9

    Turn slight right

    140 m · 10 sec

  10. 10

    Take the ramp straight

    3120 ft · 1 min

  11. 11

    Merge slight right onto Jim Gillis Historic Savannah Parkway

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

  12. 12

    Continue on Fall Line Freeway

    2560 ft · 40 sec · Fall Line Freeway

  13. 13

    Keep slight right to continue on I 75 North: Atlanta

    2746 ft · 43 sec

  14. 14

    Merge slight left

    62.1 mi · 1 hr 7 min

  15. 15

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

    22.8 mi · 28 min

  16. 16

    Keep slight left to continue on Northeast Expressway

    2.7 mi · 4 min · Northeast Expressway

  17. 17

    Keep slight right to continue on T Harvey Mathis Parkway

    7.1 mi · 9 min · T Harvey Mathis Parkway

  18. 18

    Continue on Turner McDonald Parkway

    11 mi · 14 min · Turner McDonald Parkway

  19. 19

    Take the exit slight right toward Alpharetta, Haynes Bridge Road

    1424 ft · 33 sec

  20. 20

    Turn left onto Haynes Bridge Road

    1.3 mi · 2 min · Haynes Bridge Road

  21. 21

    Turn left onto Old Milton Parkway

    869 ft · 21 sec · Old Milton Parkway

  22. 22

    Turn right onto South Main Street

    1764 ft · 53 sec · South Main Street

  23. 23

    Turn right onto Academy Street

    42 m · 4 sec · Academy Street

  24. 24

    Arrive at your destination

    0 m · 1 sec · Academy Street

Car Route Details

A richer read on the saved driving route between Whitemarsh 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
24 steps
12 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
8.4 / 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%
East 37th Street
2.75 mi · 1%
Northeast Expressway
2.68 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 45m
Long day trip
Same-Day Return
09h 32m
Round-trip wheel time
Road vs Air
+48.8 mi
236.7 mi direct line
Halfway Stop
Allentown
02h 22m from Whitemarsh Island
Leave By
7:28 AM EDT
Early departure recommended
Weather Watch

Partly Cloudy leaving Whitemarsh Island and Clear near Alpharetta.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 285.5 miles (459.4 km) and usually takes 04h 45m 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 140.6 miles from Whitemarsh Island and 144.8 miles from Alpharetta.

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

The direct path is about 236.7 miles (380.9 km), while the road route adds roughly 48.8 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 $39.89 one way or $79.77 round trip. Estimated CO2 is about 89.5 kg one way.

What should you check before leaving?

Before you leave, expect Partly Cloudy around Whitemarsh Island and Clear near Alpharetta.

Flight Path Map

This map shows the direct air route between Whitemarsh Island and Alpharetta. Straight-line distance: 236.66 mi (380.86 km).

Whitemarsh Island

#1 Whitemarsh Island

Census-designated place in Chatham County, Georgia

Population6,792
Coordinates32.0288200, -81.0167800
Altitude1
CountryUnited States
Alpharetta

#2 Alpharetta

The most populous city in Fulton County, Georgia.

Population67,897
Coordinates34.0753800, -84.2940900
Altitude347
CountryUnited States
Start: (-81.013846, 32.028812)
End: Academy Street (-84.29408, 34.075616)

Estimated Travel Time

Distance: 459 km by road

SpeedTime
30 mph (48.3 km/h)09h 30m
40 mph (64.37 km/h)07h 08m
50 mph (80.47 km/h)05h 42m
60 mph (96.56 km/h)04h 45m
70 mph (112.65 km/h)04h 04m
80 mph (129 km/h)03h 33m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.07 gal
38.13 L · about $39.89
Round trip
$79.77
20.14 gal · 76.26 L
Estimated CO2
89.5 kg one way
Round trip: 179 kg / 395 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $39.89 $79.77
Mid-grade $4.43 $44.60 $89.20
Premium $4.78 $48.11 $96.23
Diesel $5.62 $56.63 $113.27

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 03, 2026

There is no time difference between Whitemarsh Island and Alpharetta. The current time is 07:01:11.

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.