How far is Grand Rapids, MI from Union, MI?
The driving distance from Grand Rapids, MI to Union, MI is about 91.1 miles (146.6 km), with a travel time of about 01h 45m by car.
- The straight-line flight distance is about 82 miles (131.9 km).
- For a round trip, plan for roughly 03h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 01h 45m.
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 second most populous city in Kalamazoo County, Michigan.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Scattered Rain Showers
Driving Route Map
The map below follows the saved road route between Grand Rapids and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grand Rapids and Union.
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1
Start on Fulton Street West
587 ft · 30 sec · Fulton Street West
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2
Turn left onto Ionia Avenue Southwest
1288 ft · 50 sec · Ionia Avenue Southwest
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3
Turn right onto Cherry Street Southwest
87 m · 16 sec · Cherry Street Southwest
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4
Take the ramp left toward US 131 South: Kalamazoo
1411 ft · 35 sec
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5
Merge slight right
43.6 mi · 47 min
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6
Keep slight right
35.7 mi · 41 min
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7
Turn right onto Riverside Drive
4.6 mi · 6 min · Riverside Drive
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8
Turn right onto West Chicago Road
1113 ft · 28 sec · West Chicago Road
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9
Continue on West Chicago Road
1444 ft · 22 sec · West Chicago Road
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10
Continue on US-12
6.1 mi · 8 min · US-12
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11
Arrive at your destination
0 m · 1 sec · US-12
Car Route Details
A richer read on the saved driving route between Grand Rapids 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.
US 131 South
Merge slight right
43.6 mi · 00h 47m
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.
Mostly Cloudy leaving Grand Rapids and Scattered Rain Showers near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grand Rapids to Union?
The road trip is about 91.1 miles (146.6 km) and usually takes 01h 45m 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?
Kalamazoo is a useful midpoint, sitting about 45.5 miles from Grand Rapids and 45.5 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 82 miles (131.9 km), while the road route adds roughly 9.1 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 EST. If you want a more comfortable same-day return, try to leave by 3:00 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.14 one way or $28.27 round trip. Estimated CO2 is about 28.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Grand Rapids and Scattered Rain Showers near Union.
Stop Ideas Near Kalamazoo
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 Kalamazoo.
Kalamazoo Transportation Center
Battle Creek Transportation Center
Bangor
Dowagiac station
Flight Path Map
This map shows the direct air route between Grand Rapids and Union. Straight-line distance: 81.97 mi (131.92 km).
#1 Grand Rapids
The second most populous city in Michigan.
| Population | 200,031 |
| Coordinates | 42.9633600, -85.6680900 |
| Altitude | 195 |
| Country | United States |
#2 Union
Township in Cass County, Michigan
| Population | 440 |
| Coordinates | 41.7861600, -85.8677800 |
| Altitude | 248 |
| Country | United States |
End: Union (-85.86778, 41.78616)
Estimated Travel Time
Distance: 147 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 02m |
| 40 mph (64.37 km/h) | 02h 16m |
| 50 mph (80.47 km/h) | 01h 49m |
| 60 mph (96.56 km/h) | 01h 31m |
| 70 mph (112.65 km/h) | 01h 18m |
| 80 mph (129 km/h) | 01h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.40 | $14.14 | $28.27 |
| Mid-grade | $5.08 | $16.31 | $32.61 |
| Premium | $5.68 | $18.24 | $36.47 |
| Diesel | $6.63 | $21.28 | $42.55 |
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 Michigan · Nov 05, 2026