How far is Auburn, MS from Union, MS?
The driving distance from Auburn, MS to Union, MS is about 148.1 miles (238.4 km), with a travel time of about 03h 13m by car.
- The straight-line flight distance is about 121.7 miles (195.9 km).
- For a round trip, plan for roughly 06h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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 13m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Auburn and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Auburn and Union.
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1
Start on County Road 1438
36 m · 11 sec · County Road 1438
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2
Turn left onto Auburn Road / County Road 931
1.1 mi · 3 min · Auburn Road / County Road 931
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3
Continue on North Eason Boulevard
5.1 mi · 8 min · North Eason Boulevard
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4
Turn left onto US 45 South, MS 6 West: Columbus, Pontotoc
1383 ft · 34 sec
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5
Merge slight left onto Martin Luther King, Junior Drive
1.9 mi · 2 min · Martin Luther King, Junior Drive
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6
Continue on Martin Luther King Drive
7.7 mi · 9 min · Martin Luther King Drive
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7
Continue straight
1.4 mi · 2 min
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8
Continue straight
2.2 mi · 2 min
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9
Continue straight
1.5 mi · 2 min
-
10
Continue straight
1.1 km · 49 sec
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11
Continue straight
1.4 mi · 2 min
-
12
Continue on US Highway 45 Alternate
35.7 mi · 44 min · US Highway 45 Alternate
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13
Take the exit slight right toward US 82 West, MS 12 West, MS 25 South: Starkville
11.8 mi · 13 min
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14
Take the exit slight right toward MS 25 South: Louisville
5 mi · 7 min
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15
Continue straight
1.9 mi · 2 min
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16
Keep slight right
24.9 mi · 28 min
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17
Take the exit slight right
3.4 mi · 4 min
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18
Take the exit slight right
41.3 mi · 1 hr 2 min
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19
Turn right onto East Jackson Road
1.4 km · 2 min · East Jackson Road
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20
Turn straight onto Main Street
1000 ft · 20 sec · Main Street
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21
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Auburn and Union.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
MS 25 South
Take the exit slight right
41.3 mi · 01h 02m
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.
Sunny leaving Auburn and Mostly Sunny near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Auburn to Union?
The road trip is about 148.1 miles (238.4 km) and usually takes 03h 13m 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?
Starkville is a useful midpoint, sitting about 74.1 miles from Auburn and 74 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 121.7 miles (195.9 km), while the road route adds roughly 26.4 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 6:00 AM to 8:00 AM CST. If you want a more comfortable same-day return, try to leave by 10:32 AM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.62 one way or $39.25 round trip. Estimated CO2 is about 46.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Auburn and Mostly Sunny near Union.
Flight Path Map
This map shows the direct air route between Auburn and Union. Straight-line distance: 121.7 mi (195.86 km).
#1 Auburn
The most populous city in Lee County, Mississippi.
| Population | 60,258 |
| Coordinates | 34.2848300, -88.6317200 |
| Altitude | 101 |
| Country | United States |
#2 Union
Union is a place in Mississippi, United States.
| Population | 0 |
| Coordinates | 32.5715300, -89.1214500 |
| Altitude | 147 |
| Country | United States |
End: Union (-89.12145, 32.57153)
Estimated Travel Time
Distance: 238 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 56m |
| 40 mph (64.37 km/h) | 03h 42m |
| 50 mph (80.47 km/h) | 02h 57m |
| 60 mph (96.56 km/h) | 02h 28m |
| 70 mph (112.65 km/h) | 02h 06m |
| 80 mph (129 km/h) | 01h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.75 | $19.62 | $39.25 |
| Mid-grade | $4.22 | $22.08 | $44.16 |
| Premium | $4.62 | $24.16 | $48.33 |
| Diesel | $5.82 | $30.42 | $60.84 |
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 Mississippi · Nov 05, 2026