How far is Union, MI from Grand Rapids, MI?
The driving distance from Union, MI to Grand Rapids, MI is about 90.8 miles (146.1 km), with a travel time of about 01h 34m by car.
- The straight-line flight distance is about 82 miles (131.9 km).
- For a round trip, plan for roughly 03h 08m 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 34m.
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.
Scattered Rain Showers
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Union and Grand Rapids.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Grand Rapids.
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1
Start on US-12
6.1 mi · 8 min · US-12
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2
Continue on West Chicago Road
1444 ft · 32 sec · West Chicago Road
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3
At the end of the road, turn left onto West Chicago Road
1113 ft · 28 sec · West Chicago Road
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4
Turn left onto Riverside Drive
4.6 mi · 6 min · Riverside Drive
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5
Turn left onto Constantine Bypass
3.1 mi · 4 min · Constantine Bypass
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6
Continue on US-131
16.6 mi · 19 min · US-131
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7
Continue on South Grand Street
59.5 mi · 1 hr 4 min · South Grand Street
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8
Take the exit slight right toward Cherry Street Downtown
2116 ft · 56 sec
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9
Turn right onto Cherry Street Southwest
76 m · 16 sec · Cherry Street Southwest
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10
Turn left onto Ionia Avenue Southwest
1288 ft · 50 sec · Ionia Avenue Southwest
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11
Turn right onto Fulton Street West
587 ft · 22 sec · Fulton Street West
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12
Arrive at your destination
0 m · 1 sec · Fulton Street West
Car Route Details
A richer read on the saved driving route between Union and Grand Rapids.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
South Grand Street
Continue on South Grand Street
59.5 mi · 01h 04m
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.
Scattered Rain Showers leaving Union and Mostly Cloudy near Grand Rapids.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Grand Rapids?
The road trip is about 90.8 miles (146.1 km) and usually takes 01h 34m 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 Union and 45.2 miles from Grand Rapids.
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 8.8 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 3:22 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.09 one way or $28.19 round trip. Estimated CO2 is about 28.4 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Rain Showers around Union and Mostly Cloudy near Grand Rapids.
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 Union and Grand Rapids. Straight-line distance: 81.97 mi (131.92 km).
#1 Union
Township in Cass County, Michigan
| Population | 440 |
| Coordinates | 41.7861600, -85.8677800 |
| Altitude | 248 |
| Country | United States |
#2 Grand Rapids
The second most populous city in Michigan.
| Population | 200,031 |
| Coordinates | 42.9633600, -85.6680900 |
| Altitude | 195 |
| Country | United States |
End: West Fulton Street (-85.668092, 42.963219)
Estimated Travel Time
Distance: 146 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 01m |
| 40 mph (64.37 km/h) | 02h 16m |
| 50 mph (80.47 km/h) | 01h 48m |
| 60 mph (96.56 km/h) | 01h 30m |
| 70 mph (112.65 km/h) | 01h 17m |
| 80 mph (129 km/h) | 01h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.40 | $14.09 | $28.19 |
| Mid-grade | $5.08 | $16.26 | $32.51 |
| Premium | $5.68 | $18.18 | $36.36 |
| Diesel | $6.63 | $21.21 | $42.42 |
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