How far is Olive Branch, MS from Union, MS?
The driving distance from Olive Branch, MS to Union, MS is about 265.1 miles (426.7 km), with a travel time of about 05h 07m by car.
- The straight-line flight distance is about 223.6 miles (359.9 km).
- For a round trip, plan for roughly 10h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 05h 07m.
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.
Human settlement in Holmes County, Mississippi, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Olive Branch and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Olive Branch and Union.
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1
Start on Goodman Road
79 m · 13 sec · Goodman Road
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2
Turn left onto Cockrum Road
6.2 mi · 11 min · Cockrum Road
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3
Take the ramp right toward Tunica
1702 ft · 42 sec
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4
Merge slight left
9.2 mi · 10 min
-
5
Take the exit slight right toward I 55 South: Jackson
1833 ft · 45 sec
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6
Keep slight left to continue on I 55 South: Jackson
1.2 km · 2 min
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7
Merge slight left
186.1 mi · 3 hr 21 min
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8
Take the exit slight right toward I 20 East, US 49 South: Meridian, Hattiesburg
1.5 km · 1 min
-
9
Keep slight right to continue on Richland, Hattiesburg
1.2 km · 2 min
-
10
Merge slight left onto Highway 49 South
49.1 mi · 1 hr · Highway 49 South
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11
Turn left
1.3 mi · 2 min
-
12
Turn right
10.2 mi · 18 min
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13
Turn sharp right onto Jones Chapel Road
25 m · 4 sec · Jones Chapel Road
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14
Arrive at your destination
0 m · 1 sec · Jones Chapel Road
Car Route Details
A richer read on the saved driving route between Olive Branch and Union.
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 55 South
Merge slight left
186 mi · 03h 21m
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 Olive Branch and Slight Chance Rain Showers near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Olive Branch to Union?
The road trip is about 265.1 miles (426.7 km) and usually takes 05h 07m 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?
West is a useful midpoint, sitting about 132.8 miles from Olive Branch and 132.4 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 223.6 miles (359.9 km), while the road route adds roughly 41.5 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 CDT. If you want a more comfortable same-day return, try to leave by 6:44 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.45 one way or $70.89 round trip. Estimated CO2 is about 83.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Olive Branch and Slight Chance Rain Showers near Union.
Stop Ideas Near West
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 West.
Greenwood
Yazoo City
Union Station
Flight Path Map
This map shows the direct air route between Olive Branch and Union. Straight-line distance: 223.62 mi (359.88 km).
#1 Olive Branch
A city in DeSoto County, Mississippi.
| Population | 39,646 |
| Coordinates | 34.9617600, -89.8295300 |
| Altitude | 118 |
| Country | United States |
#2 Union
County in Mississippi, United States
| Population | 1,876 |
| Coordinates | 31.7376600, -89.4903400 |
| Altitude | 122 |
| Country | United States |
End: Union (-89.49034, 31.73766)
Estimated Travel Time
Distance: 427 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 50m |
| 40 mph (64.37 km/h) | 06h 37m |
| 50 mph (80.47 km/h) | 05h 18m |
| 60 mph (96.56 km/h) | 04h 25m |
| 70 mph (112.65 km/h) | 03h 47m |
| 80 mph (129 km/h) | 03h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $35.45 | $70.89 |
| Mid-grade | $4.26 | $39.86 | $79.73 |
| Premium | $4.63 | $43.29 | $86.58 |
| Diesel | $5.42 | $50.68 | $101.37 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.