Flint to South Rockwood is 92.1 miles and takes about 1h 43m via I 75, with a fuel budget near $15 and enough daylight to finish in a day. This drive stays within Michigan, connecting two points in the Midwest region. It's a straightforward trip that's almost entirely on major highways, making it a quick and efficient option if you need to get from point A to point B without much fuss. Expect a consistent driving experience for the duration of the trip.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
46 miles from Flint, MI
A natural place for your longest stop of the day
, about 50m into the drive
.
Main Roads
Road
Distance
Duration
I 75
63.5 mi
1h 10m
Fisher Freeway
12.2 mi
13m
Detroit-Toledo Expressway
8.7 mi
9m
UAW Freeway
6.7 mi
7m
East Fifth Street
0.2 mi
<1m
South Huron River Drive
<0.1 mi
<1m
Race Street
<0.1 mi
<1m
Longest stretch:
I 75
— 63.5 mi, about 1h 10m
Traffic on I-75
Hour-of-day weekday pattern from 90 FHWA count stations on your route.
Peak
4 PM
~4,325 veh/hr typical
· worst 5,320
Quietest
2 AM
~341 veh/hr
Peak-to-quiet ratio
12.7×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 105 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Flint, MI and South Rockwood, MI.
1
Start on this road
93 ft·9 sec·this road
2
Turn right
335 ft·29 sec
3
At end of road, turn left onto M 21
0.2 mi·29 sec·East Fifth Street
4
Take the ramp
0.3 mi·41 sec
5
Merge onto I 475
6.7 mi·7 min·UAW Freeway
6
Merge onto I 75
59 mi·1 hr 4 min·I 75
Use the straight / slight right lanes.
7
Keep slight right at fork onto I 75
4.2 mi·6 min·I 75
Toward I 75: ToledoUse the straight / right lanes.
8
Keep slight left at fork onto I 75
12 mi·13 min·Fisher Freeway
Use the straight / slight right lanes.
9
Continue on I 75
8.7 mi·9 min·Detroit-Toledo Expressway
10
Take the exit
0.3 mi·1 min
Exit 26Toward South Huron River Drive, South RockwoodUse the slight right lane.
11
Turn left onto South Huron River Drive
371 ft·11 sec·South Huron River Drive
Use the left lane.
12
Turn right onto Race Street
119 ft·5 sec·Race Street
13
Arrive at destination
Race Street
Trip Plan
Given the relatively short 1h 43m duration, this trip is best tackled in a single day. You could leave anytime, but departing in the morning or mid-afternoon should help you avoid the heaviest commuter traffic through Detroit. With only 92.1 miles and a $15 fuel estimate, you won't need to worry too much about frequent fuel stops. The longest stretch without a significant change in road type is 63.5 miles on I 75, so plan for a brief stop around that point if you like to stretch your legs.
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 46 miles from Flint, MI, or about 50m into the drive.
The longest continuous stretch on this route runs about 63.5 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 20 miles or 22m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 46 miles or 50m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 24m
Traffic, exits, and arrival timing usually matter more near South Rockwood, MI than in the middle of the route.
Before You Leave
+
Open the route before leaving Flint, MI so your first major turns are already loaded.
Day 1
Settle into the route from Flint, MI
This is one driving day of about 92.1 miles and 1h 43m.
Your first comfortable stop window is around 20 miles from Flint, MI.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 75 for about 63.5 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 10
5 decision points cluster between mile 0 and 92 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0 mi into trip|~0m in
Turn right
Navigation decision point
7
66.6 mi into trip|~1h 13m in|I 75
Keep slight right at fork onto I 75 toward I 75: Toledo
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / right lanes.
Toward I 75: Toledo
6
70.8 mi into trip|~1h 19m in|I 75 / Fisher Freeway
Keep slight left at fork onto I 75 / Fisher Freeway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
8
91.6 mi into trip|~1h 42m in
Take the exit toward South Huron River Drive, South Rockwood
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 26
Toward South Huron River Drive, South Rockwood
6
92 mi into trip|~1h 43m in|South Huron River Drive
Turn left onto South Huron River Drive
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$15.36 one way
$30.73 round trip
$4.24/gal25.4 MPG avg32 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.62
$16.76
$33.53
premium
$5.25
$19.05
$38.09
diesel
$6.18
$22.40
$44.81
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$15
Meals
$25–$50
Total
$40–$65
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 32.2 kg one way.
Prices: EIA weekly data, 2026-10-19.
Driving Electric?
About $10 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
27.6
0
$9.67
$4.42
Efficient EV
23
0
$8.06
$3.68
EV Truck/SUV
36.8
0
$12.89
$5.89
Gas CO2
32 kg
EV CO2
11 kg (66% 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 Oct 19, 2026
Origin
Flint, MI
Afternoon
in Flint on Tuesday
Local time
3:23 PM
EDT
Current temp
41°F
Clear
SW 5 to 10 mph0% chanceLive forecast
Destination
South Rockwood, MI
Afternoon
in South Rockwood on Tuesday
Local time
3:23 PM
EDT
Current temp
41°F
Clear
SW 7 mph0% chanceLive 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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
1h 43m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
Nearly all of this 92.1-mile route, 99%, is highway driving. You'll spend most of your time on I 75, which also forms the longest stretch at 63.5 miles. The transition from highway to surface roads will happen very near your destination in South Rockwood. Be prepared for frequent exits and merging traffic as you navigate the urban areas around Detroit.
99% highway — fuel and pacing are the main things to plan.
13 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 63.5 mi on I 75.
How Hard Is This Drive?
6/10
This is a straightforward highway drive that stays mostly on I 75 and Fisher Freeway. You will hit about 10 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive.
Driving Effort6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 92.1 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start: Navigation decision point; at 66.6 miles (I 75): Highway fork - watch signs carefully. Lane positioning matters here; at 70.8 miles (I 75 / Fisher Freeway): Highway fork - watch signs carefully. Lane positioning matters here.
Flint is an industrial city an hour northwest of Detroit in Michigan. It was the home of many General Motors factories, including the Buick World Headquarters, Flint has fallen on hard times over the past 30 years due to the decline of the American automotive industry. Despite these misfortunes, the city has an outsized history, including decisive roles in the growth of the American labor movement and community schooling and evident in a host of extensive and well-endowed cultural institutions. Flint has seen a dramatic reduction in crime while simultaneously enjoying a revitalizing Downtown and growing colleges and universities are found within the city's limits.
Top landmarks
•Flint Institute of Arts — art school and museum in Flint, Michigan
•Capitol Theatre — movie theater and concert venue in Flint, Michigan, United States
•Robert J. Whaley House — historic house museum in Flint, Michigan
Doable as a same-day drive at 1h 43m. Total distance: 92.1 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 43m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (99%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 63.5 miles on I 75. The full list of main roads is in the Roads section above.
Yes — we found about 5 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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 South Rockwood, MI before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: near the start: Navigation decision point; at 66.6 miles (I 75): Highway fork - watch signs carefully. Lane positioning matters here; at 70.8 miles (I 75 / Fisher Freeway): 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 South Rockwood, MI before heading back.
