How far is Roscommon, MI from Bay City, MI?
The driving distance from Roscommon, MI to Bay City, MI is about 83.6 miles (134.5 km), with a travel time of about 01h 27m by car.
- The straight-line flight distance is about 71.5 miles (115.1 km).
- For a round trip, plan for roughly 02h 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.
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 01h 27m.
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.
Unincorporated community in Michigan
Route Weather Snapshot
Check the forecast at both ends before you head out.
Smoke
Driving Route Map
The map below follows the saved road route between Roscommon and Bay City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Roscommon and Bay City.
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1
Start on South 5th Street
46 m · 11 sec · South 5th Street
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2
Turn left onto Lake Street
1.4 mi · 2 min · Lake Street
-
3
Continue on Roscommon Road
1.8 mi · 3 min · Roscommon Road
-
4
Take the ramp left toward I 75 South
76.9 mi · 1 hr 18 min
-
5
Take the exit slight right toward M 25 East: Downtown Bay City
1145 ft · 39 sec
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6
Merge slight left
660 ft · 7 sec
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7
Continue straight
3 mi · 4 min
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8
Turn right onto Washington Avenue
109 m · 8 sec · Washington Avenue
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9
Turn right onto 9th Street
42 m · 6 sec · 9th Street
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10
Arrive at your destination
0 m · 1 sec · 9th Street
Car Route Details
A richer read on the saved driving route between Roscommon and Bay City.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 75 South
Take the ramp left toward I 75 South
76.9 mi · 01h 18m
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.
Smoke leaving Roscommon and Smoke near Bay City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Roscommon to Bay City?
The road trip is about 83.6 miles (134.5 km) and usually takes 01h 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?
Skidway Lake is a useful midpoint, sitting about 41.8 miles from Roscommon and 41.8 miles from Bay City.
How much longer is the road route than the straight-line distance?
The direct path is about 71.5 miles (115.1 km), while the road route adds roughly 12.1 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.12 one way or $22.25 round trip. Estimated CO2 is about 26.2 kg one way.
What should you check before leaving?
Before you leave, expect Smoke around Roscommon and Smoke near Bay City.
Stop Ideas Near Skidway Lake
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 Skidway Lake.
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Flight Path Map
This map shows the direct air route between Roscommon and Bay City. Straight-line distance: 71.55 mi (115.15 km).
#1 Roscommon
Village in the United States
| Population | 1,044 |
| Coordinates | 44.4983500, -84.5919700 |
| Altitude | 346 |
| Country | United States |
#2 Bay City
City in Bay County, Michigan, USA
| Population | 32,717 |
| Coordinates | 43.5944700, -83.8888600 |
| Altitude | 182 |
| Country | United States |
End: Bay City (-83.88886, 43.59447)
Estimated Travel Time
Distance: 134 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 47m |
| 40 mph (64.37 km/h) | 02h 05m |
| 50 mph (80.47 km/h) | 01h 40m |
| 60 mph (96.56 km/h) | 01h 23m |
| 70 mph (112.65 km/h) | 01h 11m |
| 80 mph (129 km/h) | 01h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.12 | $22.25 |
| Mid-grade | $4.25 | $12.55 | $25.09 |
| Premium | $4.65 | $13.73 | $27.46 |
| Diesel | $5.30 | $15.65 | $31.29 |
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 · Jul 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.