How far is Ontonagon, MI from Dearborn, MI?
The driving distance from Ontonagon, MI to Dearborn, MI is about 571.6 miles (919.9 km), with a travel time of about 09h 08m by car.
- The straight-line flight distance is about 435.6 miles (701 km).
- For a round trip, plan for roughly 18h 16m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 09h 08m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Michigan, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Ontonagon and Dearborn.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ontonagon and Dearborn.
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1
Start on River Street
27 m · 1 sec · River Street
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2
Continue on North Steel Street
3191 ft · 43 sec · North Steel Street
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3
Continue on Rockland Road
10.5 mi · 14 min · Rockland Road
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4
Continue on National Avenue
1.5 km · 1 min · National Avenue
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5
Continue on Rockland Road
1.8 mi · 2 min · Rockland Road
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6
Turn right
13.9 mi · 16 min
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7
Turn left
38.5 mi · 44 min
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8
Turn right
40.1 mi · 52 min
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9
Enter the roundabout and take exit 2 toward the route
28 m · 5 sec
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10
Exit the rotary
1.4 km · 2 min
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11
Enter the roundabout and take exit 2 toward Palms Avenue
29 m · 6 sec · Palms Avenue
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12
Exit the roundabout onto Palms Avenue
10.2 mi · 14 min · Palms Avenue
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13
Enter the roundabout and take exit 2 toward US-41/M-28
35 m · 7 sec · US-41/M-28
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14
Exit the roundabout onto US-41/M-28
2883 ft · 45 sec · US-41/M-28
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15
Enter the roundabout and take exit 1 toward US-41/M-28
31 m · 6 sec · US-41/M-28
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16
Exit the roundabout onto US-41/M-28
1.6 mi · 2 min · US-41/M-28
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17
Continue on Marquette Bypass
1 mi · 1 min · Marquette Bypass
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18
Enter the roundabout and take exit 1 toward Marquette Bypass
33 m · 6 sec · Marquette Bypass
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19
Exit the roundabout onto Marquette Bypass
882 ft · 15 sec · Marquette Bypass
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20
Enter the roundabout and take exit 2 toward Marquette Bypass
33 m · 1 sec · Marquette Bypass
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21
Exit the roundabout onto Marquette Bypass
2760 ft · 52 sec · Marquette Bypass
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22
Take the exit slight right
125 m · 10 sec
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23
Merge slight left onto South Front Street
2.6 mi · 4 min · South Front Street
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24
Continue on US-41/M-28
1.6 mi · 3 min · US-41/M-28
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25
Turn left onto M-28
35.8 mi · 42 min · M-28
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26
Continue on West Munising Avenue
2.2 mi · 5 min · West Munising Avenue
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27
Exit the roundabout onto Cedar Street
838 ft · 23 sec · Cedar Street
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28
Continue on M-28
35.1 mi · 42 min · M-28
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29
Turn sharp right
17.3 mi · 21 min
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30
At the end of the road, turn left
65.1 mi · 1 hr 16 min
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31
Take the exit slight right toward I 75 South: Mackinac Bridge
1819 ft · 44 sec
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32
Merge slight left
94.1 mi · 1 hr 37 min
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33
Keep slight left to continue on I 75: Saginaw, Detroit
124.2 mi · 2 hr 7 min
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34
Keep slight left
11 mi · 12 min
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35
Keep slight left
61 mi · 1 hr 5 min
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36
Take the exit slight right toward I 94: Port Huron, Chicago
1512 ft · 37 sec
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37
Keep slight right to continue on I 94 West: Chicago
1639 ft · 43 sec
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38
Merge slight left onto Edsel Ford Freeway
5.6 mi · 8 min · Edsel Ford Freeway
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39
Take the exit slight right toward US 12: Michigan Avenue, Dearborn
2026 ft · 56 sec
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40
At the end of the road, turn right onto Michigan Avenue
1.2 km · 2 min · Michigan Avenue
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41
Arrive at your destination
0 m · 1 sec · Michigan Avenue
Car Route Details
A richer read on the saved driving route between Ontonagon and Dearborn.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 75
Keep slight left to continue on I 75: Saginaw, Detroit
124 mi · 02h 07m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Chance Rain Showers leaving Ontonagon and Showers And Thunderstorms near Dearborn.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ontonagon to Dearborn?
The road trip is about 571.6 miles (919.9 km) and usually takes 09h 08m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Mackinaw City is a useful midpoint, sitting about 289.2 miles from Ontonagon and 282.4 miles from Dearborn.
How much longer is the road route than the straight-line distance?
The direct path is about 435.6 miles (701 km), while the road route adds roughly 136 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 6:00 AM to 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $76.06 one way or $152.12 round trip. Estimated CO2 is about 179.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Ontonagon and Showers And Thunderstorms near Dearborn.
Stop Ideas Near Mackinaw City
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 Mackinaw City.
Mackinaw City, Michigan
St. Ignace, Michigan
Cheboygan, MI
Pellston, Michigan
Flight Path Map
This map shows the direct air route between Ontonagon and Dearborn. Straight-line distance: 435.59 mi (701.01 km).
#1 Ontonagon
Village in Michigan
| Population | 1,234 |
| Coordinates | 46.8710500, -89.3140300 |
| Altitude | 188 |
| Country | United States |
#2 Dearborn
The most populous city in Wayne County, Michigan.
| Population | 93,367 |
| Coordinates | 42.3222600, -83.1763100 |
| Altitude | 180 |
| Country | United States |
End: Michigan Avenue (-83.176219, 42.322088)
Estimated Travel Time
Distance: 920 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 19h 02m |
| 40 mph (64.37 km/h) | 14h 17m |
| 50 mph (80.47 km/h) | 11h 25m |
| 60 mph (96.56 km/h) | 09h 31m |
| 70 mph (112.65 km/h) | 08h 09m |
| 80 mph (129 km/h) | 07h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $76.06 | $152.12 |
| Mid-grade | $4.25 | $85.78 | $171.57 |
| Premium | $4.65 | $93.87 | $187.74 |
| Diesel | $5.30 | $106.98 | $213.96 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.