How far is Detroit, MI from Sumner, MI?
The driving distance from Detroit, MI to Sumner, MI is about 142.2 miles (228.9 km), with a travel time of about 02h 45m by car.
- The straight-line flight distance is about 112.3 miles (180.7 km).
- For a round trip, plan for roughly 05h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 02h 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.
Human settlement in Ingham County, Michigan, United States of America
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 Detroit and Sumner.
Turn-by-Turn Driving Directions
Step-by-step road directions between Detroit and Sumner.
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1
Start on Cadillac Square
95 m · 15 sec · Cadillac Square
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2
Turn right onto Bates Street
75 m · 7 sec · Bates Street
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3
Turn right onto East Congress Street
649 ft · 38 sec · East Congress Street
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4
Turn left onto Griswold Street
635 ft · 26 sec · Griswold Street
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5
Turn right onto West Jefferson Avenue
1638 ft · 31 sec · West Jefferson Avenue
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6
Continue on John C Lodge Freeway
17.8 mi · 23 min · John C Lodge Freeway
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7
Take the exit slight left toward I 696 West: Lansing
2310 ft · 56 sec
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8
Merge slight left onto Walter P Reuther Freeway
8.2 mi · 9 min · Walter P Reuther Freeway
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9
Merge slight right
17.9 mi · 19 min
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10
Keep slight left
38.9 mi · 42 min
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11
Take the exit slight right toward I 496, US 127 North: Downtown Lansing
1.1 km · 1 min
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12
Merge slight left onto Ransom E Olds Freeway
2.8 mi · 3 min · Ransom E Olds Freeway
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13
Keep slight right to continue on US 127 North: Clare
41.5 mi · 44 min
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14
Take the exit slight right toward BUS US 127: Ithaca
1493 ft · 53 sec
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15
Continue on East Washington Road
2 mi · 4 min · East Washington Road
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16
Continue on Washington Road
7.9 mi · 11 min · Washington Road
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17
Turn right onto North Warner Road
1 mi · 1 min · North Warner Road
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18
At the end of the road, turn left onto Saint Charles Road
2.1 mi · 3 min · Saint Charles Road
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19
Turn right onto Lynn Street
53 m · 8 sec · Lynn Street
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20
Arrive at your destination
0 m · 1 sec · Lynn Street
Car Route Details
A richer read on the saved driving route between Detroit and Sumner.
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 127 North
Keep slight right to continue on US 127 North: Clare
41.5 mi · 00h 44m
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 Sunny leaving Detroit and Mostly Sunny near Sumner.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Detroit to Sumner?
The road trip is about 142.2 miles (228.9 km) and usually takes 02h 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?
Williamston is a useful midpoint, sitting about 71 miles from Detroit and 71.2 miles from Sumner.
How much longer is the road route than the straight-line distance?
The direct path is about 112.3 miles (180.7 km), while the road route adds roughly 29.9 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 12:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.93 one way or $37.86 round trip. Estimated CO2 is about 44.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Detroit and Mostly Sunny near Sumner.
Stop Ideas Near Williamston
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 Williamston.
East Lansing station
Owosso, MI
Durand Union Station
Jackson station
Flight Path Map
This map shows the direct air route between Detroit and Sumner. Straight-line distance: 112.26 mi (180.67 km).
#1 Detroit
The twenty-fourth most populous city in the United States and the center of the Detroit metropolitan area.
| Population | 665,369 |
| Coordinates | 42.3314300, -83.0457500 |
| Altitude | 183 |
| Country | United States |
#2 Sumner
Township in Gratiot County, Michigan
| Population | 1,856 |
| Coordinates | 43.3071900, -84.8170700 |
| Altitude | 232 |
| Country | United States |
End: Sumner (-84.81707, 43.30719)
Estimated Travel Time
Distance: 229 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 44m |
| 40 mph (64.37 km/h) | 03h 33m |
| 50 mph (80.47 km/h) | 02h 50m |
| 60 mph (96.56 km/h) | 02h 22m |
| 70 mph (112.65 km/h) | 02h 01m |
| 80 mph (129 km/h) | 01h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $18.93 | $37.86 |
| Mid-grade | $4.25 | $21.35 | $42.70 |
| Premium | $4.65 | $23.36 | $46.73 |
| Diesel | $5.30 | $26.63 | $53.25 |
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 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.