How far is Detroit, MI from Grattan, MI?

The driving distance from Detroit, MI to Grattan, MI is about 152.7 miles (245.8 km), with a travel time of about 02h 59m by car.

  • The straight-line flight distance is about 129.5 miles (208.4 km).
  • For a round trip, plan for roughly 05h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
152.73 mi
02h 59m
Flight
129.47 mi
208.36 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Detroit.

Flight Distance

Direct air line
129.47 mi
Kilometers
208.36 km
Flight Time
00h 15m

Driving Distance

Road route
152.73 mi
Kilometers
245.8 km
Drive Time
02h 59m

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 02h 59m.

Arrival Snapshot
Arrive in Grattan
Sat, Apr 18, 2:47 PM EDT
Return by in Detroit
Sat, Apr 18, 5:46 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Detroit
2026-04-18T11:48
Arrive Grattan
Sat, Apr 18, 2:47 PM EDT
Route Timing
02h 59m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:59 AM to 12:59 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:32 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Detroit
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Williamston
MI

Human settlement in Ingham County, Michigan, United States of America

From Detroit
76.2 mi
01h 29m
To Grattan
76.5 mi
01h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Saturday

Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM EDT
Wind
12 to 18 mph SSW
Destination
60°F
Saturday

Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM EDT
Wind
14 to 18 mph SW

Driving Route Map

The map below follows the saved road route between Detroit and Grattan.

Turn-by-Turn Driving Directions

Step-by-step road directions between Detroit and Grattan.

  1. 1

    Start on Cadillac Square

    95 m · 15 sec · Cadillac Square

  2. 2

    Turn right onto Bates Street

    75 m · 7 sec · Bates Street

  3. 3

    Turn right onto East Congress Street

    649 ft · 38 sec · East Congress Street

  4. 4

    Turn left onto Griswold Street

    635 ft · 26 sec · Griswold Street

  5. 5

    Turn right onto West Jefferson Avenue

    1638 ft · 31 sec · West Jefferson Avenue

  6. 6

    Continue on John C Lodge Freeway

    17.8 mi · 23 min · John C Lodge Freeway

  7. 7

    Take the exit slight left toward I 696 West: Lansing

    2310 ft · 56 sec

  8. 8

    Merge slight left onto Walter P Reuther Freeway

    8.2 mi · 9 min · Walter P Reuther Freeway

  9. 9

    Merge slight right

    17.9 mi · 19 min

  10. 10

    Keep slight left

    54.8 mi · 59 min

  11. 11

    Keep slight left to continue on I 96 West: Grand Rapids

    31.7 mi · 34 min

  12. 12

    Take the exit slight right toward Clarksville

    1894 ft · 49 sec

  13. 13

    Turn right onto Nash Highway

    2181 ft · 39 sec · Nash Highway

  14. 14

    Turn left onto Grand River Avenue

    2.5 mi · 3 min · Grand River Avenue

  15. 15

    Turn right onto Hastings Road

    1.1 mi · 1 min · Hastings Road

  16. 16

    Continue on Peck Lake Road

    1455 ft · 23 sec · Peck Lake Road

  17. 17

    Turn slight right

    122 m · 6 sec

  18. 18

    Continue on Conklin Road

    1.4 km · 1 min · Conklin Road

  19. 19

    Turn slight left onto Conklin Ware Cutoff

    141 m · 7 sec · Conklin Ware Cutoff

  20. 20

    Continue on Ware Road

    1978 ft · 31 sec · Ware Road

  21. 21

    Keep slight right to continue on Montcalm Ware Cutoff

    142 m · 7 sec · Montcalm Ware Cutoff

  22. 22

    Continue on Montcalm Avenue Southeast

    811 ft · 13 sec · Montcalm Avenue Southeast

  23. 23

    Turn left onto Oberley Drive Southeast

    1.3 mi · 2 min · Oberley Drive Southeast

  24. 24

    Continue on Grand River Drive Southeast

    3100 ft · 1 min · Grand River Drive Southeast

  25. 25

    Turn right onto Segwun Avenue

    73 m · 5 sec · Segwun Avenue

  26. 26

    Continue on South Hudson Street

    1.4 mi · 4 min · South Hudson Street

  27. 27

    Continue on Hudson Street Southeast

    665 ft · 16 sec · Hudson Street Southeast

  28. 28

    Continue on Lincoln Lake Avenue

    9.8 mi · 14 min · Lincoln Lake Avenue

  29. 29

    Turn left onto Belding Road Northeast

    1.6 mi · 2 min · Belding Road Northeast

  30. 30

    Turn right onto Old Belding Road Northeast

    847 ft · 21 sec · Old Belding Road Northeast

  31. 31

    Arrive at your destination

    0 m · 1 sec · Old Belding Road Northeast

Car Route Details

A richer read on the saved driving route between Detroit and Grattan.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
31 steps
13 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
20.3 / 100 mi
Decision points by distance
Main Roads
Walter P Reuther Freeway
81 mi · 53%
I 96 West
31.7 mi · 21%
John C Lodge Freeway
17.8 mi · 12%
Lincoln Lake Avenue
9.75 mi · 6%
Grand River Avenue
2.5 mi · 2%
Belding Road Northeast
1.59 mi · 1%
Longest Stretch

Walter P Reuther Freeway

Keep slight left

54.8 mi · 00h 59m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 59m
Day trip friendly
Same-Day Return
05h 58m
Round-trip wheel time
Road vs Air
+23.2 mi
129.5 mi direct line
Halfway Stop
Williamston
01h 29m from Detroit
Leave By
12:32 PM EDT
Morning start is best
Weather Watch

Showers And Thunderstorms leaving Detroit and Showers And Thunderstorms near Grattan.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Detroit to Grattan?

The road trip is about 152.7 miles (245.8 km) and usually takes 02h 59m 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?

Williamston is a useful midpoint, sitting about 76.2 miles from Detroit and 76.5 miles from Grattan.

How much longer is the road route than the straight-line distance?

The direct path is about 129.5 miles (208.4 km), while the road route adds roughly 23.2 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 EDT. If you want a more comfortable same-day return, try to leave by 12:32 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.33 one way or $40.65 round trip. Estimated CO2 is about 47.9 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Detroit and Showers And Thunderstorms near Grattan.

Stop Ideas Near Williamston

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Williamston, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Williamston.

RAIL

East Lansing station

18 mi away
1240 South Harrison Road
BUS

Owosso, MI

35 mi away
109 Comstock Street
RAIL

Durand Union Station

35 mi away
200 South Railroad St.
RAIL

Jackson station

50 mi away
501 E. Michigan Ave.

Flight Path Map

This map shows the direct air route between Detroit and Grattan. Straight-line distance: 129.47 mi (208.36 km).

Detroit

#1 Detroit

The twenty-fourth most populous city in the United States and the center of the Detroit metropolitan area.

Population665,369
Coordinates42.3314300, -83.0457500
Altitude183
CountryUnited States
Photo coming soon

#2 Grattan

Township in Kent County, Michigan

Population3,954
Coordinates43.0842000, -85.3811300
Altitude253
CountryUnited States
Start: Detroit (-83.04575, 42.33143)
End: Grattan (-85.38113, 43.0842)

Estimated Travel Time

Distance: 246 km by road

SpeedTime
30 mph (48.3 km/h)05h 05m
40 mph (64.37 km/h)03h 49m
50 mph (80.47 km/h)03h 03m
60 mph (96.56 km/h)02h 32m
70 mph (112.65 km/h)02h 10m
80 mph (129 km/h)01h 54m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.39 gal
20.4 L · about $20.33
Round trip
$40.65
10.78 gal · 40.8 L
Estimated CO2
47.9 kg one way
Round trip: 95.8 kg / 211 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $20.33 $40.65
Mid-grade $4.25 $22.92 $45.85
Premium $4.65 $25.09 $50.17
Diesel $5.30 $28.59 $57.18

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 · Apr 18, 2026

There is no time difference between Detroit and Grattan. The current time is 11:48:23.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.