Origin
Porterdale, GA
Morning in Porterdale on Tuesday
Local time
11:23 AM
EDT
Current temp
59°F
Unavailable
Live forecast
Trip from Porterdale, GA to Johns Creek, GA
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
1h 7m
Distance
51.8 mi
83 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$8
one way
EV Charging
Unknown
Best Time to Leave
4 AM
1h 2m
★
6 AM
1h 8m
8 AM
1h 19m
10 AM
1h 12m
12 PM
1h 11m
3 PM
1h 12m
5 PM
1h 18m
8 PM
1h 5m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Porterdale, GA
RDNE Stock project
Johns Creek, GA
Wikimedia Commons
Trip Overview
Porterdale, GA to Johns Creek, GA is 51.8 miles and takes about 1h 7m via Purple Heart Highway and GA 141, with a fuel budget near $8 and enough daylight to finish in a day. This drive stays within the Southeast region, specifically Georgia, offering a straightforward trip between two points. Expect a route that's not a high-speed interstate cruise but rather a more connected, local-feeling journey. With a duration under an hour and a half, this is an easy day trip, perfect for a quick relocation or a visit without a major time commitment.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Purple Heart Highway | 22.5 mi | 24m |
| Atlanta Bypass / The Perimeter | 14.5 mi | 16m |
| GA 141 | 6.2 mi | 10m |
| Peachtree Industrial Boulevard | 3.6 mi | 4m |
| Washington Street Southwest | 1.1 mi | 1m |
| Turner Lake Road Northwest | 0.8 mi | 1m |
| North Broad Street | 0.5 mi | 1m |
| Groomsbridge Road | 0.5 mi | 2m |
Longest stretch:
Purple Heart Highway
— 22.5 mi, about 24m
Turn-by-Turn Driving Directions
Step-by-step road directions between Porterdale, GA and Johns Creek, GA.
1
Start on GA 81
0.5 mi
·
1 min
·
North Broad Street
2
Continue on GA 81
1.1 mi
·
1 min
·
Washington Street Southwest
3
Turn left onto Turner Lake Road Southwest
0.4 mi
·
41 sec
·
Turner Lake Road Southwest
Use the left lane.
4
Continue on Turner Lake Road Northwest
0.3 mi
·
26 sec
·
Turner Lake Road Northwest
5
Enter roundabout onto Turner Lake Road Northwest
160 ft
·
7 sec
·
Turner Lake Road Northwest
6
Continue on Turner Lake Road Northwest
0.5 mi
·
1 min
·
Turner Lake Road Northwest
Use the straight lane.
7
Continue on this road
0.6 mi
·
1 min
·
this road
8
Merge onto I 20; US 278; GA 12
22 mi
·
24 min
·
Purple Heart Highway
Use the straight / slight right lanes.
9
Take the exit
0.4 mi
·
57 sec
Exit 67B
Toward I 285 Bypass North: Greenville, Chattanooga
Use the straight / slight right lanes.
10
Merge onto I 285
14 mi
·
16 min
·
Atlanta Bypass / The Perimeter
Use the straight / slight right lanes.
11
Take the exit
0.2 mi
·
33 sec
Exit 31
Toward GA 141: Peachtree Boulevard
Use the straight / slight right lanes.
12
Keep slight right at fork
0.3 mi
·
36 sec
Toward GA 141 North: Peachtree Boulevard
Use the slight right lane.
13
Merge onto GA 141
3.6 mi
·
4 min
·
Peachtree Industrial Boulevard
Use the straight lane.
14
Keep slight left at fork onto GA 141
6.2 mi
·
10 min
·
GA 141
Toward GA 141 North: Cumming, Dahlonega
Use the slight left / straight lanes.
15
Turn left onto Grove Point Road
0.2 mi
·
56 sec
·
Grove Point Road
16
Turn left onto Groomsbridge Road
0.5 mi
·
2 min
·
Groomsbridge Road
17
Turn right onto Morgan Hill Court
270 ft
·
11 sec
·
Morgan Hill Court
18
Arrive at destination
Morgan Hill Court
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
26 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 11 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 25.9 miles from Porterdale, GA, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 125 decision points cluster between mile 2.3 and 44.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
2.3 mi into trip
|
~4m in
|
Turner Lake Road Northwest
Enter roundabout onto Turner Lake Road Northwest
Roundabout - know your exit number before entering
8
25.8 mi into trip
|
~30m in
Take the exit toward I 285 Bypass North: Greenville, Chattanooga
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 67B
Toward I 285 Bypass North: Greenville, Chattano...
7
40.8 mi into trip
|
~48m in
Take the exit toward GA 141: Peachtree Boulevard
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 31
Toward GA 141: Peachtree Boulevard
8
40.9 mi into trip
|
~49m in
Keep slight right at fork toward GA 141 North: Peachtree Boulevard
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward GA 141 North: Peachtree Boulevard
8
44.8 mi into trip
|
~54m in
|
GA 141
Keep slight left at fork onto GA 141 toward GA 141 North: Cumming, Dahlonega
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Toward GA 141 North: Cumming, Dahlonega
Fuel & Cost
Regular Gas
$8.10 one way
$16.20 round trip
$3.97/gal
25.4 MPG avg
18 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.34 | $8.86 | $17.71 |
| premium | $4.70 | $9.59 | $19.17 |
| diesel | $5.61 | $11.44 | $22.87 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$8
Estimated CO2 emission: 18.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 15.5 | 0 | $5.44 | $2.49 |
| Efficient EV | 13 | 0 | $4.53 | $2.07 |
| EV Truck/SUV | 20.7 | 0 | $7.25 | $3.32 |
Gas CO2
18 kg
EV CO2
6 kg (67% 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.
Destination
Johns Creek, GA
Morning in Johns Creek on Tuesday
Local time
11:23 AM
EDT
Current temp
81°F
Unavailable
Live forecast
81°F
Decatur, GA
26 mi in
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
22 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
1h 7m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
This drive is characterized by frequent turns and a local feel, with only about 12% of the total mileage on highways. Your longest uninterrupted stretch will be 22.5 miles along Purple Heart Highway. You'll navigate through a mix of roads, including Purple Heart Highway, Atlanta Bypass / The Perimeter, and GA 141, meaning you'll encounter varying traffic patterns and speed limits. Prepare for a more engaged driving experience rather than a monotonous highway cruise.
Only 12% highway — the rest is turn-by-turn surface driving.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 22.5 mi on Purple Heart Highway.
How Hard Is This Drive?
9/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2.3 miles in near Turner Lake Road Northwest.
Driving Effort
9/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 51.8 miles you will encounter 12 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 2.3 miles (Turner Lake Road Northwest): Roundabout - know your exit number before entering; at 25.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 40.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Porterdale, GA and Johns Creek, GA, road signs point toward Chattanooga and Dahlonega.
Chattanooga
25.8 mi in
|
~30m
Dahlonega
44.8 mi in
|
~54m
|
via GA 141
About the Cities
Arriving in Johns Creek, GA
Full guide →Atlanta is the vanguard of the New South, with the charm and elegance of the Old. It's a city that balances southern traditions with sleek modernism, and southern hospitality with three skylines and the world’s busiest airport. It's a city that has been burnt to the ground and built back up; seen the horrors of war; felt the pain of droughts and floods; and given birth to Martin Luther King, Jr., the greatest figure of the civil rights movement. Atlanta is the capital of the state of Georgia.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 7m. Total distance: 51.8 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 7m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 22.5 miles on Purple Heart Highway. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Johns Creek, GA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 2.3 miles (Turner Lake Road Northwest): Roundabout - know your exit number before entering; at 25.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 40.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Yes — Chattahoochee River National Recreation Area and Martin Luther King, Jr. National Historical Park. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Johns Creek, GA before heading back.
How this page is built
Compiled by the US Trip Planner 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.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Johns Creek, GA
More trips to Johns Creek, GA
Explore more options from Porterdale, GA or browse trips ending in Johns Creek, GA.
Looking for more statewide routes? Browse GA road trips.