How far is Grattan, MI from Detroit, MI?

The driving distance from Grattan, MI to Detroit, MI is about 155.3 miles (249.9 km), with a travel time of about 02h 27m by car.

  • The straight-line flight distance is about 129.5 miles (208.4 km).
  • For a round trip, plan for roughly 04h 54m 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
155.25 mi
02h 27m
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 Grattan.

Flight Distance

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

Driving Distance

Road route
155.25 mi
Kilometers
249.85 km
Drive Time
02h 27m

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 27m.

Arrival Snapshot
Arrive in Detroit
Sat, Apr 18, 12:44 PM EDT
Return by in Grattan
Sat, Apr 18, 3:11 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Grattan
2026-04-18T10:17
Arrive Detroit
Sat, Apr 18, 12:44 PM EDT
Route Timing
02h 27m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:27 AM to 12:27 PM EDT

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

Leave by
1:36 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Grattan
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 Grattan
76.2 mi
01h 13m
To Detroit
79 mi
01h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
60°F
Saturday

Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM EDT
Wind
14 to 18 mph SW
Destination
70°F
Saturday

Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM EDT
Wind
12 to 18 mph SSW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Old Belding Road Northeast

    847 ft · 28 sec · Old Belding Road Northeast

  2. 2

    Turn left onto Belding Road Northeast

    1.6 mi · 2 min · Belding Road Northeast

  3. 3

    Turn right onto Lincoln Lake Avenue Northeast

    9.8 mi · 14 min · Lincoln Lake Avenue Northeast

  4. 4

    Continue on Hudson Street Southeast

    665 ft · 16 sec · Hudson Street Southeast

  5. 5

    Continue on North Hudson Street

    1.4 mi · 4 min · North Hudson Street

  6. 6

    Turn left onto Grand River Drive Southeast

    3100 ft · 59 sec · Grand River Drive Southeast

  7. 7

    Continue on Oberley Drive Southeast

    1.3 mi · 2 min · Oberley Drive Southeast

  8. 8

    Continue on Montcalm Avenue Southeast

    811 ft · 13 sec · Montcalm Avenue Southeast

  9. 9

    Turn straight onto Montcalm Ware Cutoff

    142 m · 7 sec · Montcalm Ware Cutoff

  10. 10

    Continue on Ware Road

    1978 ft · 31 sec · Ware Road

  11. 11

    Turn slight right onto Conklin Ware Cutoff

    141 m · 7 sec · Conklin Ware Cutoff

  12. 12

    Continue on Conklin Road

    1.4 km · 1 min · Conklin Road

  13. 13

    Turn slight left

    122 m · 6 sec

  14. 14

    Continue on Peck Lake Road

    1455 ft · 23 sec · Peck Lake Road

  15. 15

    Turn slight right onto Hastings Road

    1.1 mi · 2 min · Hastings Road

  16. 16

    Turn left onto Grand River Avenue

    2.5 mi · 3 min · Grand River Avenue

  17. 17

    Turn right onto Nash Highway

    2765 ft · 53 sec · Nash Highway

  18. 18

    Take the ramp left

    1339 ft · 33 sec

  19. 19

    Merge slight left

    37.2 mi · 40 min

  20. 20

    Keep slight left to continue on I 96 East: Detroit

    66.9 mi · 1 hr 12 min

  21. 21

    Continue on Walter P Reuther Freeway

    8.9 mi · 10 min · Walter P Reuther Freeway

  22. 22

    Merge slight left onto John C Lodge Freeway

    17.8 mi · 23 min · John C Lodge Freeway

  23. 23

    Take the exit slight left toward Larned Street, Downtown

    1773 ft · 45 sec

  24. 24

    Continue on West Larned Street

    1024 ft · 34 sec · West Larned Street

  25. 25

    Turn left onto Woodward Avenue

    868 ft · 42 sec · Woodward Avenue

  26. 26

    Turn right onto Cadillac Square

    39 m · 4 sec · Cadillac Square

  27. 27

    Arrive at your destination

    0 m · 1 sec · Cadillac Square

Car Route Details

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

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
27 steps
11 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
17.4 / 100 mi
Decision points by distance
Main Roads
I 96 East
66.9 mi · 43%
Nash Highway
38 mi · 24%
John C Lodge Freeway
17.8 mi · 11%
Lincoln Lake Avenue Northeast
9.75 mi · 6%
Walter P Reuther Freeway
8.93 mi · 6%
Grand River Avenue
2.5 mi · 2%
Longest Stretch

I 96 East

Keep slight left to continue on I 96 East: Detroit

66.9 mi · 01h 12m

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 27m
Day trip friendly
Same-Day Return
04h 54m
Round-trip wheel time
Road vs Air
+25.8 mi
129.5 mi direct line
Halfway Stop
Williamston
01h 13m from Grattan
Leave By
1:36 PM EDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 155.3 miles (249.9 km) and usually takes 02h 27m 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 Grattan and 79 miles from Detroit.

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 25.8 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 EDT. If you want a more comfortable same-day return, try to leave by 1:36 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.67 one way or $41.33 round trip. Estimated CO2 is about 48.7 kg one way.

What should you check before leaving?

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

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 Grattan and Detroit. Straight-line distance: 129.47 mi (208.36 km).

Photo coming soon

#1 Grattan

Township in Kent County, Michigan

Population3,954
Coordinates43.0842000, -85.3811300
Altitude253
CountryUnited States
Detroit

#2 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
Start: Old Belding Road NE (-85.381077, 43.08412)
End: Cadillac Square (-83.04575, 42.331399)

Estimated Travel Time

Distance: 250 km by road

SpeedTime
30 mph (48.3 km/h)05h 10m
40 mph (64.37 km/h)03h 52m
50 mph (80.47 km/h)03h 06m
60 mph (96.56 km/h)02h 35m
70 mph (112.65 km/h)02h 13m
80 mph (129 km/h)01h 56m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.48 gal
20.74 L · about $20.67
Round trip
$41.33
10.96 gal · 41.48 L
Estimated CO2
48.7 kg one way
Round trip: 97.4 kg / 215 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $20.67 $41.33
Mid-grade $4.25 $23.31 $46.61
Premium $4.65 $25.50 $51.01
Diesel $5.30 $29.07 $58.13

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 Grattan and Detroit. The current time is 10:17:28.

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.