How far is Ann Arbor, MI from Bay City, MI?

The driving distance from Ann Arbor, MI to Bay City, MI is about 99.7 miles (160.4 km), with a travel time of about 01h 50m by car.

  • The straight-line flight distance is about 91.3 miles (146.9 km).
  • For a round trip, plan for roughly 03h 41m 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
99.69 mi
01h 50m
Flight
91.3 mi
146.93 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Ann Arbor.

Flight Distance

Direct air line
91.3 mi
Kilometers
146.93 km
Flight Time
00h 11m

Driving Distance

Road route
99.69 mi
Kilometers
160.43 km
Drive Time
01h 50m

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 50m.

Arrival Snapshot
Arrive in Bay City
Wed, Apr 15, 6:04 PM EDT
Return by in Ann Arbor
Wed, Apr 15, 7:55 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Ann Arbor
2026-04-15T16:13
Arrive Bay City
Wed, Apr 15, 6:04 PM EDT
Route Timing
01h 50m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:51 AM to 11:51 AM EDT

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

Leave by
2:48 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Ann Arbor
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
Flint
MI

The largest city in Genesee County, Michigan.

From Ann Arbor
49.9 mi
00h 55m
To Bay City
49.8 mi
00h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Wednesday

Light Rain Likely

Starts
Wed, Apr 15 2:00 AM EDT
Wind
10 to 15 mph SW
Destination
56°F
Overnight

Chance Showers And Thunderstorms

Starts
Wed, Apr 15 3:00 AM EDT
Wind
9 mph S

Driving Route Map

The map below follows the saved road route between Ann Arbor and Bay City.

Turn-by-Turn Driving Directions

Step-by-step road directions between Ann Arbor and Bay City.

  1. 1

    Start on South State Street

    1325 ft · 43 sec · South State Street

  2. 2

    Turn left onto East Huron Street

    2058 ft · 1 min · East Huron Street

  3. 3

    Turn right onto North Main Street

    1.2 mi · 3 min · North Main Street

  4. 4

    Take the ramp straight toward M 14 East, US 23: Flint, Detroit

    835 ft · 20 sec

  5. 5

    Merge slight left

    1.1 mi · 1 min

  6. 6

    Keep left to continue on US 23 North: Flint

    93.2 mi · 1 hr 40 min

  7. 7

    Take the exit slight right toward M 25 East: Downtown, Bay City

    1967 ft · 56 sec

  8. 8

    Merge slight left

    2.8 mi · 4 min

  9. 9

    Turn right onto Washington Avenue

    109 m · 8 sec · Washington Avenue

  10. 10

    Turn right onto 9th Street

    42 m · 6 sec · 9th Street

  11. 11

    Arrive at your destination

    0 m · 1 sec · 9th Street

Car Route Details

A richer read on the saved driving route between Ann Arbor and Bay City.

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
11 steps
4 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
11 / 100 mi
Decision points by distance
Main Roads
US 23 North
93.2 mi · 94%
M 25 East
3.21 mi · 3%
M 14 East
1.25 mi · 1%
North Main Street
1.24 mi · 1%
East Huron Street
0.39 mi
South State Street
0.25 mi
Longest Stretch

US 23 North

Keep left to continue on US 23 North: Flint

93.2 mi · 01h 40m

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
01h 50m
Day trip friendly
Same-Day Return
03h 42m
Round-trip wheel time
Road vs Air
+8.4 mi
91.3 mi direct line
Halfway Stop
Flint
00h 55m from Ann Arbor
Leave By
2:48 PM EDT
Morning start is best
Weather Watch

Light Rain Likely leaving Ann Arbor and Chance Showers And Thunderstorms near Bay City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Ann Arbor to Bay City?

The road trip is about 99.7 miles (160.4 km) and usually takes 01h 50m 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?

Flint is a useful midpoint, sitting about 49.9 miles from Ann Arbor and 49.8 miles from Bay City.

How much longer is the road route than the straight-line distance?

The direct path is about 91.3 miles (146.9 km), while the road route adds roughly 8.4 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 2:48 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.27 one way or $26.55 round trip. Estimated CO2 is about 31.3 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain Likely around Ann Arbor and Chance Showers And Thunderstorms near Bay City.

Stop Ideas Near Flint

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Flint, 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 Flint.

RAIL

Flint station

3 mi away
1407 South Dort Highway
RAIL

Durand Union Station

27 mi away
200 South Railroad St.
RAIL

Lapeer station

31 mi away
73 Howard St.
BUS

Owosso, MI

39 mi away
109 Comstock Street

Flight Path Map

This map shows the direct air route between Ann Arbor and Bay City. Straight-line distance: 91.3 mi (146.93 km).

Ann Arbor

#1 Ann Arbor

The most populous city in Washtenaw County, Michigan.

Population119,280
Coordinates42.2775600, -83.7408800
Altitude269
CountryUnited States
Bay City

#2 Bay City

City in Bay County, Michigan, USA

Population32,717
Coordinates43.5944700, -83.8888600
Altitude182
CountryUnited States
Start: Ann Arbor (-83.74088, 42.27756)
End: Bay City (-83.88886, 43.59447)

Estimated Travel Time

Distance: 160 km by road

SpeedTime
30 mph (48.3 km/h)03h 19m
40 mph (64.37 km/h)02h 29m
50 mph (80.47 km/h)01h 59m
60 mph (96.56 km/h)01h 39m
70 mph (112.65 km/h)01h 25m
80 mph (129 km/h)01h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.52 gal
13.32 L · about $13.27
Round trip
$26.55
7.04 gal · 26.64 L
Estimated CO2
31.3 kg one way
Round trip: 62.6 kg / 138 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $13.27 $26.55
Mid-grade $4.25 $14.97 $29.94
Premium $4.65 $16.38 $32.76
Diesel $5.30 $18.67 $37.34

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

There is no time difference between Ann Arbor and Bay City. The current time is 16:13:35.

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.