Grattan, MI to Ann Arbor, MI is 127.3 miles and takes about 2h 28m via I 96 and US 23, with a fuel budget near $20 and enough daylight to finish in a day. This route stays within the Midwest, traversing Michigan for its entirety. Given its relatively short duration and mostly highway profile, it's a straightforward trip for a single day. You'll find it's a practical option for getting between these two points without extensive planning.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
63.7 miles from Grattan, MI
A natural place for your longest stop of the day
, about 1h 17m into the drive
.
Main Roads
Road
Distance
Duration
I 96
88 mi
1h 34m
US 23
14.1 mi
15m
Lincoln Lake Avenue Northeast
9.8 mi
13m
Grand River Avenue
2.5 mi
3m
US 23 BUS
2.4 mi
3m
Belding Road Northeast
1.6 mi
2m
North Hudson Street
1.4 mi
3m
Oberley Drive Southeast
1.3 mi
1m
Longest stretch:
I 96
— 88 mi, about 1h 34m
Turn-by-Turn Driving Directions
Step-by-step road directions between Grattan, MI and Ann Arbor, MI.
1
Start on Old Belding Road Northeast
0.2 mi·27 sec·Old Belding Road Northeast
2
Turn left onto M 44
1.6 mi·2 min·Belding Road Northeast
3
Turn right onto Lincoln Lake Avenue Northeast
9.8 mi·13 min·Lincoln Lake Avenue Northeast
4
Continue on Hudson Street Southeast
0.1 mi·16 sec·Hudson Street Southeast
5
Continue on North Hudson Street
1.4 mi·3 min·North Hudson Street
6
Turn left onto Grand River Drive Southeast
0.6 mi·58 sec·Grand River Drive Southeast
7
Continue on Oberley Drive Southeast
1.3 mi·1 min·Oberley Drive Southeast
8
Continue on Montcalm Avenue Southeast
0.2 mi·12 sec·Montcalm Avenue Southeast
9
Turn straight onto Montcalm Ware Cutoff
465 ft·7 sec·Montcalm Ware Cutoff
10
Continue on Ware Road
0.4 mi·30 sec·Ware Road
11
Turn slight right onto Conklin Ware Cutoff
461 ft·7 sec·Conklin Ware Cutoff
12
Continue on Conklin Road
0.9 mi·1 min·Conklin Road
13
Turn slight left
400 ft·6 sec
14
Continue on Peck Lake Road
0.3 mi·22 sec·Peck Lake Road
15
Turn slight right onto Hastings Road
1.1 mi·1 min·Hastings Road
16
Turn left onto Grand River Avenue
2.5 mi·3 min·Grand River Avenue
17
Turn right onto Nash Highway
0.5 mi·53 sec·Nash Highway
18
Take the ramp
0.3 mi·32 sec
19
Merge onto I 96
37 mi·39 min·I 96
Use the straight / slight right lanes.
20
Keep slight left at fork onto I 96
51 mi·54 min·I 96
Toward I 96 East: DetroitUse the straight / right lanes.
21
Take the exit
0.3 mi·21 sec
Exit 148A-BToward US 23: Ann Arbor, FlintUse the slight right lane.
22
Keep slight right at fork
0.3 mi·39 sec
Exit 148AToward US 23 South: Ann ArborUse the slight right lane.
23
Merge onto US 23
14 mi·15 min·US 23
Use the straight / slight right lanes.
24
Take the exit onto US 23 BUS
1.5 mi·1 min·US 23 BUS
Exit 45Toward M 14 West: Ann ArborUse the straight / slight right lanes.
25
Take the exit onto US 23 BUS
0.9 mi·1 min·US 23 BUS
Exit 3Toward US 23 BUS: Downtown Ann ArborUse the slight right lane.
26
Turn left onto Depot Street
0.4 mi·1 min·Depot Street
Use the left lane.
27
Turn right
119 ft·6 sec
28
Continue on North State Street
0.6 mi·1 min·North State Street
Use the straight / right lanes.
29
Arrive at destination
South State Street
Trip Plan
For this 127.3-mile trip, leaving in the morning will give you plenty of flexibility. Since the total drive time is under 2.5 hours, you won't need to plan for extensive stops, though a brief break is always a good idea. The estimated fuel cost is around $20, so ensure your tank is sufficiently full before departing. Keep an eye out for the transition from I 96 to US 23, as this is where the highway portion begins to consolidate.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 63.7 miles from Grattan, MI, or about 1h 17m into the drive.
The longest continuous stretch on this route runs about 88 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 28 miles or 39m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 63.7 miles or 1h 17m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 1m
Traffic, exits, and arrival timing usually matter more near Ann Arbor, MI than in the middle of the route.
Before You Leave
+
Open the route before leaving Grattan, MI so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Grattan, MI
This is one driving day of about 127.3 miles and 2h 28m.
Your first comfortable stop window is around 28 miles from Grattan, MI.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 96 for about 88 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 15
5 decision points cluster between mile 58.4 and 125.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
58.4 mi into trip|~1h 12m in|I 96
Keep slight left at fork onto I 96 toward I 96 East: Detroit
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / right lanes.
Toward I 96 East: Detroit
8
109.1 mi into trip|~2h 6m in
Take the exit toward US 23: Ann Arbor, Flint
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 148A-B
Toward US 23: Ann Arbor, Flint
8
109.5 mi into trip|~2h 6m in
Keep slight right at fork toward US 23 South: Ann Arbor
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Exit 148A
Toward US 23 South: Ann Arbor
7
123.9 mi into trip|~2h 22m in|US 23 BUS
Take the exit onto US 23 BUS toward M 14 West: Ann Arbor
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 45
Toward M 14 West: Ann Arbor
7
125.4 mi into trip|~2h 24m in|US 23 BUS
Take the exit onto US 23 BUS toward US 23 BUS: Downtown Ann Arbor
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 3
Toward US 23 BUS: Downtown Ann Arbor
Fuel & Cost
Regular Gas
$19.90 one way
$39.80 round trip
$3.97/gal25.4 MPG avg45 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$21.85
$43.70
premium
$4.89
$24.50
$49.00
diesel
$5.61
$28.11
$56.21
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$20
Meals
$25–$50
Total
$45–$70
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 44.5 kg one way.
Prices: EIA weekly data, 2026-04-13.
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $13 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
38.2
0
$13.37
$6.11
Efficient EV
31.8
0
$11.14
$5.09
EV Truck/SUV
50.9
0
$17.82
$8.15
Gas CO2
45 kg
EV CO2
15 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 16, 2026
Origin
Grattan, MI
Late night
in Grattan on Sunday
Local time
3:29 AM
EDT
Current temp
63°F
Unavailable
Live forecast
Destination
Ann Arbor, MI
Late night
in Ann Arbor on Sunday
Local time
3:29 AM
EDT
Current temp
65°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
2 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 28m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
This drive is primarily on highways, with 82% of the route utilizing them. You'll experience an uninterrupted stretch of 88 miles on I 96, offering a consistent cruising experience. The remaining portion will transition to surface roads like Lincoln Lake Avenue Northeast, likely introducing more local traffic and varied speed limits as you approach your destination.
82% highway — fuel and pacing are the main things to plan.
29 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 88 mi on I 96.
How Hard Is This Drive?
9/10
This is a straightforward highway drive that stays mostly on I 96 and US 23. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 58.4 miles in near I 96.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 15 significant decision points across 127.3 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 58.4 miles (I 96): Highway fork - watch signs carefully. Lane positioning matters here; at 109.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 109.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Grattan, MI to Ann Arbor, MI, road signs begin pointing toward Flint along the way.
Flint
109.1 mi in|~2h 6m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 28m. Total distance: 127.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
2h 28m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (82%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 88 miles on I 96. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Ann Arbor, MI before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 58.4 miles (I 96): Highway fork - watch signs carefully. Lane positioning matters here; at 109.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 109.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes. A round trip is manageable in a single day if you plan a break at Ann Arbor, MI before heading back.
