How far is Johns Creek, GA from Martinez, GA?
The driving distance from Johns Creek, GA to Martinez, GA is about 157.5 miles (253.5 km), with a travel time of about 03h 02m by car.
- The straight-line flight distance is about 126.9 miles (204.3 km).
- For a round trip, plan for roughly 06h 05m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 03h 02m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The most populous city in Cobb County, Georgia.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Johns Creek and Martinez.
Turn-by-Turn Driving Directions
Step-by-step road directions between Johns Creek and Martinez.
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1
Start on Morgan Hill Court
82 m · 17 sec · Morgan Hill Court
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2
Turn left onto Groomsbridge Road
2795 ft · 2 min · Groomsbridge Road
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3
At the end of the road, turn right onto Grove Point Road
1001 ft · 46 sec · Grove Point Road
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4
Turn right onto Medlock Bridge Road
2.1 mi · 3 min · Medlock Bridge Road
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5
Continue on Peachtree Parkway
3.9 mi · 7 min · Peachtree Parkway
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6
Take the exit straight toward GA 141 South: Doraville, Chamblee
998 ft · 15 sec
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7
Merge slight left onto Peachtree Industrial Boulevard
3.7 mi · 5 min · Peachtree Industrial Boulevard
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8
Take the exit slight left toward I 285 East
1974 ft · 52 sec
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9
Merge slight left onto Atlanta Bypass / The Perimeter
11.8 mi · 14 min · Atlanta Bypass / The Perimeter
-
10
Take the exit slight right toward US 278: Covington Highway
1192 ft · 31 sec
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11
Turn left onto Covington Highway
1.8 mi · 3 min · Covington Highway
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12
Turn right onto Wesley Chapel Road
1.7 mi · 3 min · Wesley Chapel Road
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13
Turn left onto I 20 East
2347 ft · 59 sec
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14
Merge slight left onto Purple Heart Highway
45.2 mi · 49 min · Purple Heart Highway
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15
Continue on Carl Sanders Highway
81.8 mi · 1 hr 28 min · Carl Sanders Highway
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16
Take the exit slight right toward I 520 East, GA 232
1107 ft · 27 sec
-
17
Keep slight left to continue on GA 232
2266 ft · 55 sec
-
18
Keep slight right to continue on GA 232
1639 ft · 40 sec
-
19
Merge slight left onto Bobby Jones Expressway
1.3 mi · 2 min · Bobby Jones Expressway
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20
Turn right onto Washington Road
1.1 mi · 2 min · Washington Road
-
21
Turn left onto Riverwatch Parkway
148 m · 12 sec · Riverwatch Parkway
-
22
Continue on Riverwatch Parkway
150 m · 18 sec · Riverwatch Parkway
-
23
Continue on Riverwatch Parkway
24 m · 8 sec · Riverwatch Parkway
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24
Arrive at your destination
0 m · 1 sec · Riverwatch Parkway
Car Route Details
A richer read on the saved driving route between Johns Creek and Martinez.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Carl Sanders Highway
Continue on Carl Sanders Highway
81.8 mi · 01h 28m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Cloudy leaving Johns Creek and Partly Sunny near Martinez.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Johns Creek to Martinez?
The road trip is about 157.5 miles (253.5 km) and usually takes 03h 02m 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?
Smyrna is a useful midpoint, sitting about 78.7 miles from Johns Creek and 78.9 miles from Martinez.
How much longer is the road route than the straight-line distance?
The direct path is about 126.9 miles (204.3 km), while the road route adds roughly 30.6 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 EST. If you want a more comfortable same-day return, try to leave by 10:54 AM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.69 one way or $39.39 round trip. Estimated CO2 is about 49.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Johns Creek and Partly Sunny near Martinez.
Stop Ideas Near Smyrna
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Smyrna.
Gainesville
Peachtree Station
Toccoa
Flight Path Map
This map shows the direct air route between Johns Creek and Martinez. Straight-line distance: 126.95 mi (204.3 km).
#1 Johns Creek
The most populous city in Fulton County, Georgia.
| Population | 85,192 |
| Coordinates | 34.0289300, -84.1985800 |
| Altitude | 286 |
| Country | United States |
#2 Martinez
Martinez is a place in Georgia, United States.
| Population | 0 |
| Coordinates | 33.5173600, -82.0756700 |
| Altitude | 110 |
| Country | United States |
End: Martinez (-82.07567, 33.51736)
Estimated Travel Time
Distance: 254 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 14m |
| 40 mph (64.37 km/h) | 03h 56m |
| 50 mph (80.47 km/h) | 03h 09m |
| 60 mph (96.56 km/h) | 02h 37m |
| 70 mph (112.65 km/h) | 02h 15m |
| 80 mph (129 km/h) | 01h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.54 | $19.69 | $39.39 |
| Mid-grade | $4.04 | $22.45 | $44.90 |
| Premium | $4.48 | $24.90 | $49.80 |
| Diesel | $5.66 | $31.47 | $62.94 |
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 · Nov 06, 2026