How far is Hammond, IN from Union, IN?
The driving distance from Hammond, IN to Union, IN is about 236.6 miles (380.7 km), with a travel time of about 05h 21m by car.
- The straight-line flight distance is about 215.5 miles (346.8 km).
- For a round trip, plan for roughly 10h 43m 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 21m.
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.
Town in Indiana, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Hammond and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hammond and Union.
-
1
Start on Columbia Avenue
830 ft · 30 sec · Columbia Avenue
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2
Turn left onto 173rd Street
1 km · 2 min · 173rd Street
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3
Turn right onto Southeastern Avenue
1667 ft · 46 sec · Southeastern Avenue
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4
Turn left onto 175th Street
821 ft · 32 sec · 175th Street
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5
Turn right onto Indianapolis Boulevard
1325 ft · 22 sec · Indianapolis Boulevard
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6
Continue on Indianapolis Boulevard
5.9 mi · 13 min · Indianapolis Boulevard
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7
Continue on Wicker Avenue
58.8 mi · 1 hr 19 min · Wicker Avenue
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8
Keep slight left
21.6 mi · 27 min
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9
Continue straight
63.4 mi · 1 hr 21 min
-
10
Continue straight
57.7 mi · 1 hr 17 min
-
11
Take the exit slight right
1162 ft · 28 sec
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12
Merge slight left
1.5 km · 1 min
-
13
Keep slight right
15.7 mi · 18 min
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14
Turn left
1.3 mi · 2 min
-
15
Turn right onto South Street
1192 ft · 24 sec · South Street
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16
Continue on South Mill Street
881 ft · 20 sec · South Mill Street
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17
Turn right onto West 2nd Street
143 m · 15 sec · West 2nd Street
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18
Turn left onto North Main Street
135 m · 11 sec · North Main Street
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19
Turn right onto East 1st Street
1670 ft · 33 sec · East 1st Street
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20
Continue on East 2nd Street
1901 ft · 38 sec · East 2nd Street
-
21
Turn right onto Trippet Road
2880 ft · 1 min · Trippet Road
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22
Turn left
1619 ft · 34 sec
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23
Continue straight
2.6 mi · 5 min
-
24
Turn right
3.6 mi · 6 min
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25
Turn right onto North County Road 850 West
1.3 mi · 5 min · North County Road 850 West
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26
Turn right
23 m · 1 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Hammond and Union.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Wicker Avenue
Continue straight
63.4 mi · 01h 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.
Mostly Sunny leaving Hammond 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 Hammond to Union?
The road trip is about 236.6 miles (380.7 km) and usually takes 05h 21m 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?
Cayuga is a useful midpoint, sitting about 118.4 miles from Hammond and 118.1 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 215.5 miles (346.8 km), while the road route adds roughly 21.1 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 6:16 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.49 one way or $62.98 round trip. Estimated CO2 is about 74.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Hammond and Union, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Hammond and Mostly Sunny near Union.
Stop Ideas Near Cayuga
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 Cayuga.
Danville, Illinois
Crawfordsville (Bus), Indiana
Crawfordsville
Illinois Terminal
Flight Path Map
This map shows the direct air route between Hammond and Union. Straight-line distance: 215.46 mi (346.75 km).
#1 Hammond
The most populous city in Lake County, Indiana.
| Population | 75,342 |
| Coordinates | 41.5833700, -87.5000400 |
| Altitude | 183 |
| Country | United States |
#2 Union
City in Indiana, United States of America
| Population | 2,160 |
| Coordinates | 38.4653300, -87.4347400 |
| Altitude | 143 |
| Country | United States |
End: Union (-87.43474, 38.46533)
Estimated Travel Time
Distance: 381 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 52m |
| 40 mph (64.37 km/h) | 05h 54m |
| 50 mph (80.47 km/h) | 04h 43m |
| 60 mph (96.56 km/h) | 03h 56m |
| 70 mph (112.65 km/h) | 03h 22m |
| 80 mph (129 km/h) | 02h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $31.49 | $62.98 |
| Mid-grade | $4.25 | $35.51 | $71.03 |
| Premium | $4.65 | $38.86 | $77.72 |
| Diesel | $5.30 | $44.29 | $88.58 |
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 Indiana · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.