The drive from California, GA to Walnut Grove, GA covers 64.3 miles and takes about 1h 25m behind the wheel.
This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Tom Murphy Freeway, Purple Heart Highway, GA 138 for much of the mileage,
and the overall profile is highway-focused drive.
The longest uninterrupted segment is about 22.9 miles on Tom Murphy Freeway.
At current regular gas prices, budget about $10.06 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 25m. Total distance: 64.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 25m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
This is a 1h 25m highway drive covering 64.3 miles, with most of the trip on Tom Murphy Freeway and Purple Heart Highway. The longest continuous stretch is about 22.9 miles on Tom Murphy Freeway.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 14 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Tom Murphy Freeway is the longest continuous segment at about 22.9 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on Tom Murphy Freeway and Purple Heart Highway. There are only a few real navigation decisions along the way. The trickiest moment comes around 2 miles in near US 278; GA 6 / Jimmy Lee Smith Parkway.
Driving Effort4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 1h 25m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 2 miles (US 278; GA 6 / Jimmy Lee Smith Parkway): Lane positioning matters here; at 14.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 15.2 miles (I 20 / Tom Murphy Freeway): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 7 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
6
2 mi into trip|~3m in|US 278; GA 6 / Jimmy Lee Smith Parkway
Turn left onto US 278; GA 6 / Jimmy Lee Smith Parkway
Lane positioning matters here
Use the straight / slight left lanes.
6
14.7 mi into trip|~22m in
Take the exit toward I 20 East: Atlanta
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the right lane.
Toward I 20 East: Atlanta
5
15.2 mi into trip|~24m in|I 20 / Tom Murphy Freeway
Merge onto I 20 / Tom Murphy Freeway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
52.6 mi into trip|~1h 7m in
Take the exit toward GA 20, GA 138: Conyers, Monroe
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 82
Toward GA 20, GA 138: Conyers, Monroe
6
64.3 mi into trip|~1h 25m in|GA 81 / Leone Avenue
Turn left onto GA 81 / Leone Avenue
Lane positioning matters here
Use the left lane.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from California, GA to Walnut Grove, GA, road signs begin pointing toward Monroe along the way.
Monroe
52.6 mi in|~1h 7m
Main Roads
Road
Distance
Duration
Tom Murphy Freeway
22.9 mi
27m
Purple Heart Highway
14.4 mi
15m
GA 138
7.4 mi
10m
C H James Parkway
7.4 mi
10m
Walnut Grove Road
4.1 mi
6m
Thornton Road
3.5 mi
5m
Hiram Acworth Highway
2 mi
3m
Wendy Bagwell Parkway
1 mi
1m
Longest stretch:
Tom Murphy Freeway
— 22.9 mi, about 27m
Turn-by-Turn Driving Directions
Step-by-step road directions between California, GA and Walnut Grove, GA.
1
Start on GA 92
2.0 mi·3 min·Hiram Acworth Highway
Use the left lane.
2
Turn left onto US 278; GA 6
0.9 mi·1 min·Jimmy Lee Smith Parkway
Use the straight / slight left lanes.
3
Continue on US 278; GA 6
1.0 mi·1 min·Wendy Bagwell Parkway
Use the straight lane.
4
Continue on US 278; GA 6
7.4 mi·10 min·C H James Parkway
Use the left / straight lanes.
5
Continue on US 278; GA 6
3.5 mi·5 min·Thornton Road
Use the straight / right lanes.
6
Take the exit
0.5 mi·1 min
Toward I 20 East: AtlantaUse the right lane.
7
Merge onto I 20
23 mi·27 min·Tom Murphy Freeway
Use the straight / slight right lanes.
8
Continue on I 20
14 mi·15 min·Purple Heart Highway
Use the straight / slight right lanes.
9
Take the exit
0.3 mi·37 sec
Exit 82Toward GA 20, GA 138: Conyers, MonroeUse the straight / slight right lanes.
10
Merge onto GA 20; GA 138
4.1 mi·6 min·Walnut Grove Road
Use the left lane.
11
Continue on GA 138
7.3 mi·10 min·GA 138
Use the left / straight / right lanes.
12
Continue on GA 138
207 ft·9 sec·GA 138
Use the left lane.
13
Turn left onto GA 81
73 ft·1 sec·Leone Avenue
Use the left lane.
14
Arrive at destination
GA 81
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 32.1 mi from California, GA
· 44m into the drive
The midpoint is around 32.1 miles from California, GA, which is a good place for a longer meal and fuel stop.
Arriving in Walnut Grove, GA
The final approach into Walnut Grove, GA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$10.06 one way
$20.11 round trip
$3.97/gal25.4 MPG avg23 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.34
$10.99
$21.99
premium
$4.70
$11.90
$23.80
diesel
$5.61
$14.20
$28.39
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$10
Estimated CO2 emission: 22.5 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $7 in charging
· 0 stops
· 64% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
19.3
0
$6.75
$3.09
Efficient EV
16.1
0
$5.63
$2.57
EV Truck/SUV
25.7
0
$9.00
$4.12
Gas CO2
22 kg
EV CO2
8 kg (64% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 17, 2026
Origin
California, GA
Evening
in California on Friday
Local time
8:46 PM
EDT
Current temp
60°F
Mostly Clear
0 mph0% chanceLive forecast
Special Weather Statement
Special Weather Statement issued April 17 at 1:44AM EDT by NWS Peachtree City GA
Special Weather Statement
Special Weather Statement issued April 17 at 1:32AM EDT by NWS Greenville-Spartanburg SC
Destination
Walnut Grove, GA
Evening
in Walnut Grove on Friday
Local time
8:46 PM
EDT
Current temp
55°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
5 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
1h 25m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from California, GA to Walnut Grove, GA covers 64.3 miles and takes about 1h 25m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Tom Murphy Freeway, Purple Heart Highway, GA 138. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 32.1 miles from California, GA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $10.06 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a straightforward 1h 25m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 2 miles (US 278; GA 6 / Jimmy Lee Smith Parkway): Lane positioning matters here; at 14.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 15.2 miles (I 20 / Tom Murphy Freeway): Merge point - match speed before joining. Lane positioning matters here.
On the drive from California, GA to Walnut Grove, GA, road signs begin pointing toward Monroe along the way.
Yes. Nearby national parks include Martin Luther King, Jr. National Historical Park and Chattahoochee River National Recreation Area.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
