How far is Union City, GA from Alpharetta, GA?
The driving distance from Union City, GA to Alpharetta, GA is about 45 miles (72.5 km), with a travel time of about 00h 51m by car.
- The straight-line flight distance is about 36.6 miles (58.9 km).
- For a round trip, plan for roughly 01h 42m 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 51m.
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.
City in Jefferson County, Kentucky, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Union City and Alpharetta.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union City and Alpharetta.
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1
Start on Bantry Circle
81 m · 19 sec · Bantry Circle
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2
Turn left onto Limerick Drive
539 ft · 30 sec · Limerick Drive
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3
At the end of the road, turn left onto Kilkenny Drive
63 m · 11 sec · Kilkenny Drive
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4
Turn right onto Bally Shannon Drive
152 m · 28 sec · Bally Shannon Drive
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5
Turn left onto Flat Shoals Road
1.8 mi · 4 min · Flat Shoals Road
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6
Take the ramp left toward I 85 North: Atlanta
1860 ft · 45 sec
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7
Merge slight left
18.3 mi · 23 min
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8
Keep slight left to continue on Northeast Expressway
2.7 mi · 4 min · Northeast Expressway
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9
Keep slight right to continue on T Harvey Mathis Parkway
7.1 mi · 9 min · T Harvey Mathis Parkway
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10
Continue on Turner McDonald Parkway
11 mi · 14 min · Turner McDonald Parkway
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11
Take the exit slight right toward Alpharetta, Haynes Bridge Road
1424 ft · 33 sec
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12
Turn left onto Haynes Bridge Road
1.3 mi · 2 min · Haynes Bridge Road
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13
Turn left onto Old Milton Parkway
869 ft · 21 sec · Old Milton Parkway
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14
Turn right onto South Main Street
1764 ft · 53 sec · South Main Street
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15
Turn right onto Academy Street
42 m · 4 sec · Academy Street
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16
Arrive at your destination
0 m · 1 sec · Academy Street
Car Route Details
A richer read on the saved driving route between Union City and Alpharetta.
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 North
Merge slight left
18.3 mi · 00h 23m
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.
Chance Showers And Thunderstorms leaving Union City and Showers And Thunderstorms Likely near Alpharetta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union City to Alpharetta?
The road trip is about 45 miles (72.5 km) and usually takes 00h 51m 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?
Druid Hills is a useful midpoint, sitting about 21.8 miles from Union City and 23.3 miles from Alpharetta.
How much longer is the road route than the straight-line distance?
The direct path is about 36.6 miles (58.9 km), while the road route adds roughly 8.4 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 4:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.30 one way or $12.60 round trip. Estimated CO2 is about 14.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Union City and Showers And Thunderstorms Likely near Alpharetta.
Stop Ideas Near Druid Hills
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 Druid Hills.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between Union City and Alpharetta. Straight-line distance: 36.63 mi (58.95 km).
#1 Union City
City in Fulton County, Georgia, United States
| Population | 22,399 |
| Coordinates | 33.5870600, -84.5424300 |
| Altitude | 295 |
| Country | United States |
#2 Alpharetta
The most populous city in Fulton County, Georgia.
| Population | 67,897 |
| Coordinates | 34.0753800, -84.2940900 |
| Altitude | 347 |
| Country | United States |
End: Academy Street (-84.29408, 34.075615)
Estimated Travel Time
Distance: 73 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 30m |
| 40 mph (64.37 km/h) | 01h 07m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $6.30 | $12.60 |
| Mid-grade | $4.43 | $7.04 | $14.08 |
| Premium | $4.78 | $7.60 | $15.19 |
| Diesel | $5.62 | $8.94 | $17.88 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.