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

The driving distance from Alpharetta, GA to Whitemarsh Island, GA is about 281.3 miles (452.7 km), with a travel time of about 05h 21m by car.

  • The straight-line flight distance is about 236.7 miles (380.9 km).
  • For a round trip, plan for roughly 10h 43m 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
281.29 mi
05h 21m
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 Alpharetta.

Flight Distance

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

Driving Distance

Road route
281.29 mi
Kilometers
452.7 km
Drive Time
05h 21m

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 21m.

Arrival Snapshot
Arrive in Whitemarsh Island
Sun, May 3, 12:26 PM EDT
Return by in Alpharetta
Sun, May 3, 5:47 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Alpharetta
2026-05-03T07:04
Arrive Whitemarsh Island
Sun, May 3, 12:26 PM EDT
Route Timing
05h 21m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
11:22 AM to 1:22 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
6:16 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Alpharetta
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 Alpharetta
140.6 mi
02h 40m
To Whitemarsh Island
140.7 mi
02h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
44°F
Overnight

Clear

Starts
Sun, May 3 2:00 AM EDT
Wind
0 to 5 mph NW
Destination
52°F
Overnight

Partly Cloudy

Starts
Sun, May 3 3:00 AM EDT
Wind
5 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Academy Street

    42 m · 11 sec · Academy Street

  2. 2

    Turn left onto South Main Street

    1750 ft · 32 sec · South Main Street

  3. 3

    Turn left onto Old Milton Parkway

    937 ft · 24 sec · Old Milton Parkway

  4. 4

    Turn right onto Haynes Bridge Road

    1.1 mi · 2 min · Haynes Bridge Road

  5. 5

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

    2314 ft · 57 sec

  6. 6

    Merge slight left onto Turner McDonald Parkway

    11 mi · 13 min · Turner McDonald Parkway

  7. 7

    Continue on T Harvey Mathis Parkway

    6.8 mi · 9 min · T Harvey Mathis Parkway

  8. 8

    Merge slight left onto Northeast Expressway

    2.9 mi · 4 min · Northeast Expressway

  9. 9

    Continue on Downtown Connector

    5 mi · 7 min · Downtown Connector

  10. 10

    Continue on James Wendell George Parkway

    2.3 mi · 3 min · James Wendell George Parkway

  11. 11

    Keep slight left

    64.8 mi · 1 hr 12 min

  12. 12

    Keep slight left to continue on Macon, Savannah

    12.3 mi · 13 min

  13. 13

    Take the exit slight right toward I 16 East: Jim Gillis Highway, Savannah

    1.1 mi · 1 min

  14. 14

    Continue straight

    163.9 mi · 2 hr 57 min

  15. 15

    Take the exit slight right toward 37th Street, Abercorn Street

    2.8 mi · 5 min

  16. 16

    Turn right onto Bee Road

    1742 ft · 37 sec · Bee Road

  17. 17

    Turn left onto East Victory Drive

    3.5 mi · 6 min · East Victory Drive

  18. 18

    Turn right onto Johnny Mercer Boulevard

    1.5 mi · 3 min · Johnny Mercer Boulevard

  19. 19

    Turn right onto Bradley Point Road

    1332 ft · 1 min · Bradley Point Road

  20. 20

    Turn right onto Commodore Drive

    1 km · 3 min · Commodore Drive

  21. 21

    Turn left

    34 m · 8 sec

  22. 22

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
22 steps
10 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
7.8 / 100 mi
Decision points by distance
Main Roads
I 16 East
165 mi · 59%
James Wendell George Parkway
67.1 mi · 24%
Macon
12.3 mi · 4%
Turner McDonald Parkway
11 mi · 4%
T Harvey Mathis Parkway
6.83 mi · 2%
Downtown Connector
5.05 mi · 2%
Longest Stretch

I 16 East

Continue straight

164 mi · 02h 57m

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 21m
Long day trip
Same-Day Return
10h 44m
Round-trip wheel time
Road vs Air
+44.6 mi
236.7 mi direct line
Halfway Stop
Allentown
02h 40m from Alpharetta
Leave By
6:16 AM EDT
Early departure recommended
Weather Watch

Clear leaving Alpharetta and Partly Cloudy near Whitemarsh Island.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 281.3 miles (452.7 km) and usually takes 05h 21m 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 Alpharetta and 140.7 miles from Whitemarsh Island.

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 44.6 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 6:16 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $39.29 one way or $78.59 round trip. Estimated CO2 is about 88.2 kg one way.

What should you check before leaving?

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

Flight Path Map

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

Alpharetta

#1 Alpharetta

The most populous city in Fulton County, Georgia.

Population67,897
Coordinates34.0753800, -84.2940900
Altitude347
CountryUnited States
Whitemarsh Island

#2 Whitemarsh Island

Census-designated place in Chatham County, Georgia

Population6,792
Coordinates32.0288200, -81.0167800
Altitude1
CountryUnited States
Start: Alpharetta (-84.29409, 34.07538)
End: Whitemarsh Island (-81.01678, 32.02882)

Estimated Travel Time

Distance: 453 km by road

SpeedTime
30 mph (48.3 km/h)09h 22m
40 mph (64.37 km/h)07h 01m
50 mph (80.47 km/h)05h 37m
60 mph (96.56 km/h)04h 41m
70 mph (112.65 km/h)04h 01m
80 mph (129 km/h)03h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.92 gal
37.57 L · about $39.29
Round trip
$78.59
19.84 gal · 75.14 L
Estimated CO2
88.2 kg one way
Round trip: 176.3 kg / 389 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $39.29 $78.59
Mid-grade $4.43 $43.94 $87.87
Premium $4.78 $47.40 $94.80
Diesel $5.62 $55.79 $111.58

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 Alpharetta and Whitemarsh Island. The current time is 07:04:43.

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.