How far is Roswell, GA from Union City, GA?
The driving distance from Roswell, GA to Union City, GA is about 39 miles (62.8 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 31.9 miles (51.3 km).
- For a round trip, plan for roughly 01h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 00h 55m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Georgia and the center of the Atlanta metropolitan area.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Roswell and Union City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Roswell and Union City.
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1
Start on North Atlanta Street
3.4 mi · 7 min · North Atlanta Street
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2
Turn left onto Northridge Road
2001 ft · 53 sec · Northridge Road
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3
Turn right
48 m · 9 sec
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4
Take the ramp right toward US 19 South, GA 400 South
2053 ft · 27 sec
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5
Merge slight left onto Turner McDonald Parkway
4.6 mi · 6 min · Turner McDonald Parkway
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6
Continue on T Harvey Mathis Parkway
6.8 mi · 9 min · T Harvey Mathis Parkway
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7
Merge slight left onto Northeast Expressway
2.9 mi · 4 min · Northeast Expressway
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8
Continue on Downtown Connector
5 mi · 7 min · Downtown Connector
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9
Continue on James Wendell George Parkway
2.3 mi · 3 min · James Wendell George Parkway
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10
Keep slight right to continue on I 85 South: Airport Domestic, Montgomery
10.8 mi · 13 min
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11
Take the exit slight right toward Flat Shoals Road
762 ft · 19 sec
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12
Continue on Flat Shaols Road
1211 ft · 29 sec
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13
Keep slight right to continue on Flat Shoals Road
50 m · 4 sec
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14
Turn right onto Flat Shoals Road
1.6 mi · 4 min · Flat Shoals Road
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15
Turn right onto Bally Shannon Drive
152 m · 28 sec · Bally Shannon Drive
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16
At the end of the road, turn left onto Kilkenny Drive
63 m · 12 sec · Kilkenny Drive
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17
Turn right onto Limerick Drive
539 ft · 28 sec · Limerick Drive
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18
Turn right onto Bantry Circle
81 m · 12 sec · Bantry Circle
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19
Arrive at your destination
0 m · 1 sec · Bantry Circle
Car Route Details
A richer read on the saved driving route between Roswell and Union City.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 85 South
Keep slight right to continue on I 85 South: Airport Domestic, Montgomery
10.8 mi · 00h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Showers And Thunderstorms Likely leaving Roswell and Chance Showers And Thunderstorms near Union City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Roswell to Union City?
The road trip is about 39 miles (62.8 km) and usually takes 00h 55m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Atlanta is a useful midpoint, sitting about 19.5 miles from Roswell and 19.5 miles from Union City.
How much longer is the road route than the straight-line distance?
The direct path is about 31.9 miles (51.3 km), while the road route adds roughly 7.1 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.47 one way or $10.93 round trip. Estimated CO2 is about 12.3 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Roswell and Chance Showers And Thunderstorms near Union City.
Stop Ideas Near Atlanta
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cafe 55
Atlanta City Hall
College Park Recycling Drop off Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Atlanta.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between Roswell and Union City. Straight-line distance: 31.87 mi (51.29 km).
#1 Roswell
A city in Fulton County, Georgia.
| Population | 95,434 |
| Coordinates | 34.0231600, -84.3615900 |
| Altitude | 328 |
| Country | United States |
#2 Union City
City in Fulton County, Georgia, United States
| Population | 22,399 |
| Coordinates | 33.5870600, -84.5424300 |
| Altitude | 295 |
| Country | United States |
End: Union City (-84.54243, 33.58706)
Estimated Travel Time
Distance: 63 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 18m |
| 40 mph (64.37 km/h) | 00h 58m |
| 50 mph (80.47 km/h) | 00h 46m |
| 60 mph (96.56 km/h) | 00h 39m |
| 70 mph (112.65 km/h) | 00h 33m |
| 80 mph (129 km/h) | 00h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $5.47 | $10.93 |
| Mid-grade | $4.43 | $6.11 | $12.22 |
| Premium | $4.78 | $6.59 | $13.19 |
| Diesel | $5.62 | $7.76 | $15.52 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.