Origin
Alpharetta, GA
Late night in Alpharetta on Sunday
Local time
12:20 AM
EDT
Current temp
52°F
Unavailable
Live forecast
Trip from Alpharetta, GA to Marietta, GA
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
34m
Distance
19.2 mi
31 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 31m
★
6 AM
0h 34m
8 AM
0h 40m
10 AM
0h 36m
12 PM
0h 36m
3 PM
0h 36m
5 PM
0h 40m
8 PM
0h 32m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Alpharetta, GA
Wikimedia Commons
Trip Overview
If you are looking for a quick connection between Alpharetta and Marietta, this 19.2-mile trip is a straightforward local commute. Expect the drive to take about 34 minutes under normal traffic conditions. Because the journey is relatively short, you can easily complete it in a single day without needing an overnight stay. You will primarily navigate via Roswell Road, Alpharetta Highway, and North Marietta Parkway as you travel through the Southeast. With an estimated fuel cost of just $3, this is an economical route for a simple cross-town trip. It serves as a practical, no-nonsense path for those moving between these two Georgia cities.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Roswell Road | 7.1 mi | 12m |
| Alpharetta Highway | 4.4 mi | 8m |
| North Marietta Parkway | 3.1 mi | 5m |
| Marietta Highway | 2 mi | 3m |
| South Main Street | 1.3 mi | 1m |
| North Atlanta Street | 0.6 mi | 1m |
| Church Street | 0.4 mi | <1m |
| GA 120 Alternate | 0.3 mi | <1m |
Longest stretch:
Roswell Road
— 7.1 mi, about 12m
Turn-by-Turn Driving Directions
Step-by-step road directions between Alpharetta, GA and Marietta, GA.
1
Start on Academy Street
139 ft
·
11 sec
·
Academy Street
2
Turn left onto GA 9
1.3 mi
·
1 min
·
South Main Street
Use the left lane.
3
Continue on GA 9; GA 120
4.4 mi
·
8 min
·
Alpharetta Highway
Use the straight lane.
4
Continue on GA 9; GA 120
0.6 mi
·
1 min
·
North Atlanta Street
Use the straight / left lanes.
5
Turn right onto GA 120
2.0 mi
·
3 min
·
Marietta Highway
Use the left lane.
6
Continue on GA 120
7.1 mi
·
12 min
·
Roswell Road
Use the straight / slight right lanes.
7
Continue on GA 120 Alternate
0.3 mi
·
19 sec
·
GA 120 Alternate
Use the slight right lane.
8
Continue on GA 120 ALT
3.1 mi
·
5 min
·
North Marietta Parkway
Use the left / straight lanes.
9
Turn left onto Church Street
0.4 mi
·
59 sec
·
Church Street
Use the left lane.
10
Arrive at destination
West Park Square
Heads-up: tricky spots
4 of 44 decision points cluster between mile 0 and 18.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0 mi into trip
|
~0m in
|
GA 9 / South Main Street
Turn left onto GA 9 / South Main Street
Lane positioning matters here
Use the left lane.
3
5.7 mi into trip
|
~10m in
|
GA 9; GA 120 / North Atlanta Street
Continue onto GA 9; GA 120 / North Atlanta Street
Lane positioning matters here
Use the straight / left lanes.
4
6.4 mi into trip
|
~11m in
|
GA 120 / Marietta Highway
Turn right onto GA 120 / Marietta Highway
Lane positioning matters here
Use the left lane.
5
18.8 mi into trip
|
~33m in
|
Church Street
Turn left onto Church Street
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$3.00 one way
$6.00 round trip
$3.97/gal
25.4 MPG avg
7 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.34 | $3.28 | $6.57 |
| premium | $4.70 | $3.55 | $7.11 |
| diesel | $5.61 | $4.24 | $8.48 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 6.7 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 71% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 5.8 | 0 | $2.02 | $0.92 |
| Efficient EV | 4.8 | 0 | $1.68 | $0.77 |
| EV Truck/SUV | 7.7 | 0 | $2.69 | $1.23 |
Gas CO2
7 kg
EV CO2
2 kg (71% 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
Marietta, GA
Late night in Marietta on Sunday
Local time
12:20 AM
EDT
Current temp
52°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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
34m 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?
Expect a turn-heavy local drive rather than a high-speed interstate cruise on this 19.2-mile path. While roughly 18 miles of the journey involve highway travel, the route maintains a suburban feel throughout. You will find the longest uninterrupted stretch lasts 7.1 miles along Roswell Road, providing a brief period of steady driving. The road’s personality shifts as you transition between local corridors and parkways, requiring your attention through frequent navigation changes. Overall, this is a functional transit route that prioritizes connectivity over scenic leisure.
Only 18% highway — the rest is turn-by-turn surface driving.
10 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 7.1 mi on Roswell Road.
How Hard Is This Drive?
4/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near GA 9 / South Main Street.
Driving Effort
4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 34m drive. You will face about 4 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (GA 9 / South Main Street): Lane positioning matters here; at 5.7 miles (GA 9; GA 120 / North Atlanta Street): Lane positioning matters here; at 6.4 miles (GA 120 / Marietta Highway): Lane positioning matters here.
About the Cities
Arriving in Marietta, GA
Full guide →Marietta is a city of 61,000 people (2019) in Metro Atlanta. It is the fourth largest city in the state. Dobbins Air Reserve Base on the south side of town and a Lockheed Martin manufacturing plant are among the major industries in the city.
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 34m. Total distance: 19.2 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
34m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (18%). Straightforward navigation.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 7.1 miles on Roswell Road. The full list of main roads is in the Roads section above.
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: near the start (GA 9 / South Main Street): Lane positioning matters here; at 5.7 miles (GA 9; GA 120 / North Atlanta Street): Lane positioning matters here; at 6.4 miles (GA 120 / Marietta Highway): 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 Marietta, 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.
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