How far is Ontonagon, MI from Flint, MI?
The driving distance from Ontonagon, MI to Flint, MI is about 503.1 miles (809.6 km), with a travel time of about 08h 03m by car.
- The straight-line flight distance is about 383 miles (616.3 km).
- For a round trip, plan for roughly 16h 07m 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 08h 03m.
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.
Township in Mackinac County, Michigan
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Ontonagon and Flint.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ontonagon and Flint.
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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
-
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 right to continue on UAW Freeway
10 mi · 11 min · UAW Freeway
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35
Take the exit slight right toward M 21
1294 ft · 32 sec
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36
Continue on Chavez Drive
1218 ft · 35 sec · Chavez Drive
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37
Turn right onto East Court Street
1317 ft · 32 sec · East Court Street
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38
Turn left
21 m · 7 sec
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39
Turn right
28 m · 7 sec
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40
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Ontonagon and Flint.
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 Light Rain Likely near Flint.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ontonagon to Flint?
The road trip is about 503.1 miles (809.6 km) and usually takes 08h 03m 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?
Brevort is a useful midpoint, sitting about 255.1 miles from Ontonagon and 248.1 miles from Flint.
How much longer is the road route than the straight-line distance?
The direct path is about 383 miles (616.3 km), while the road route adds roughly 120.1 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 $66.94 one way or $133.87 round trip. Estimated CO2 is about 157.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Ontonagon and Light Rain Likely near Flint.
Stop Ideas Near Brevort
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 Brevort.
St. Ignace, Michigan
Mackinaw City, Michigan
Pellston, Michigan
Cheboygan, MI
Flight Path Map
This map shows the direct air route between Ontonagon and Flint. Straight-line distance: 382.95 mi (616.3 km).
#1 Ontonagon
Village in Michigan
| Population | 1,234 |
| Coordinates | 46.8710500, -89.3140300 |
| Altitude | 188 |
| Country | United States |
#2 Flint
The largest city in Genesee County, Michigan.
| Population | 94,968 |
| Coordinates | 43.0125300, -83.6874600 |
| Altitude | 229 |
| Country | United States |
End: East Court Street (-83.687592, 43.012684)
Estimated Travel Time
Distance: 810 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 45m |
| 40 mph (64.37 km/h) | 12h 34m |
| 50 mph (80.47 km/h) | 10h 03m |
| 60 mph (96.56 km/h) | 08h 23m |
| 70 mph (112.65 km/h) | 07h 11m |
| 80 mph (129 km/h) | 06h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $66.94 | $133.87 |
| Mid-grade | $4.25 | $75.49 | $150.98 |
| Premium | $4.65 | $82.61 | $165.22 |
| Diesel | $5.30 | $94.15 | $188.29 |
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.