How far is Grass Lake, MI from Flint, MI?

The driving distance from Grass Lake, MI to Flint, MI is about 77.7 miles (125 km), with a travel time of about 01h 16m by car.

  • The straight-line flight distance is about 59 miles (95 km).
  • For a round trip, plan for roughly 02h 32m 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
77.68 mi
01h 16m
Flight
59.02 mi
94.98 km direct

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

Learn Distance

Choose another destination from Grass Lake.

Flight Distance

Direct air line
59.02 mi
Kilometers
94.98 km
Flight Time
00h 07m

Driving Distance

Road route
77.68 mi
Kilometers
125.02 km
Drive Time
01h 16m

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 16m.

Arrival Snapshot
Arrive in Flint
Thu, Apr 23, 12:07 AM EDT
Return by in Grass Lake
Thu, Apr 23, 1:24 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Grass Lake
2026-04-22T22:51
Arrive Flint
Thu, Apr 23, 12:07 AM EDT
Route Timing
01h 16m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:16 AM to 11:16 AM EDT

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

Leave by
3:58 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Grass Lake
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
Brighton
MI

Suburb of Detroit, Michigan, United States

From Grass Lake
38.8 mi
00h 38m
To Flint
38.9 mi
00h 38m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
3 mph N
Destination
66°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
3 mph N

Driving Route Map

The map below follows the saved road route between Grass Lake and Flint.

Turn-by-Turn Driving Directions

Step-by-step road directions between Grass Lake and Flint.

  1. 1

    Start on South Lake Street

    16 m · 6 sec · South Lake Street

  2. 2

    Turn right onto East Michigan Avenue

    4.4 mi · 8 min · East Michigan Avenue

  3. 3

    Continue on Jackson Road

    3.2 mi · 4 min · Jackson Road

  4. 4

    Continue on Old US 12

    1734 ft · 34 sec · Old US 12

  5. 5

    Take the ramp right toward I 94 East: Dertoit

    1884 ft · 46 sec

  6. 6

    Merge slight left

    13.3 mi · 14 min

  7. 7

    Keep slight left to continue on M 14: Plymouth

    4.7 mi · 5 min

  8. 8

    Keep left to continue on US 23 North: Flint

    47.2 mi · 51 min

  9. 9

    Take the exit slight right toward I 69: Lansing, Port Huron

    1372 ft · 33 sec

  10. 10

    Keep slight right to continue on I 69: Lansing, Flint, Port Huron

    1182 ft · 25 sec

  11. 11

    Keep slight right to continue on I 69 East: Flint, Port Huron

    3089 ft · 1 min

  12. 12

    Merge slight left onto Chevrolet-Buick Freeway

    2.1 mi · 2 min · Chevrolet-Buick Freeway

  13. 13

    Take the exit slight right toward Saginaw Street, Downtown

    1166 ft · 36 sec

  14. 14

    Turn left onto South Grand Traverse Street

    1533 ft · 37 sec · South Grand Traverse Street

  15. 15

    Turn right onto West Fifth Street

    1635 ft · 48 sec · West Fifth Street

  16. 16

    Turn left onto Harrison Street

    116 m · 21 sec · Harrison Street

  17. 17

    Turn left onto East Court Street

    72 m · 9 sec · East Court Street

  18. 18

    Turn left

    21 m · 7 sec

  19. 19

    Turn right

    28 m · 7 sec

  20. 20

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Grass Lake and Flint.

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
20 steps
7 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
25.7 / 100 mi
Decision points by distance
Main Roads
US 23 North
47.2 mi · 61%
I 94 East
13.7 mi · 18%
M 14
4.69 mi · 6%
East Michigan Avenue
4.42 mi · 6%
Jackson Road
3.21 mi · 4%
Chevrolet-Buick Freeway
2.06 mi · 3%
Longest Stretch

US 23 North

Keep left to continue on US 23 North: Flint

47.2 mi · 00h 51m

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 16m
Day trip friendly
Same-Day Return
02h 32m
Round-trip wheel time
Road vs Air
+18.7 mi
59 mi direct line
Halfway Stop
Brighton
00h 38m from Grass Lake
Leave By
3:58 PM EDT
Morning start is best
Weather Watch

Sunny leaving Grass Lake and Sunny near Flint.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Grass Lake to Flint?

The road trip is about 77.7 miles (125 km) and usually takes 01h 16m 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?

Brighton is a useful midpoint, sitting about 38.8 miles from Grass Lake and 38.9 miles from Flint.

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

The direct path is about 59 miles (95 km), while the road route adds roughly 18.7 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 3:58 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.33 one way or $20.67 round trip. Estimated CO2 is about 24.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Grass Lake and Sunny near Flint.

Stop Ideas Near Brighton

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

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

RAIL

Ann Arbor station

27 mi away
325 Depot Street
RAIL

Pontiac Transportation Center

42 mi away
51000 Woodward Avenue
RAIL

Durand Union Station

45 mi away
200 South Railroad St.
RAIL

Troy Transit Center

48 mi away
1201 Doyle Drive

Flight Path Map

This map shows the direct air route between Grass Lake and Flint. Straight-line distance: 59.02 mi (94.98 km).

Grass Lake

#1 Grass Lake

Village in Michigan, United States

Population1,140
Coordinates42.2508700, -84.2130100
Altitude303
CountryUnited States
Flint

#2 Flint

The largest city in Genesee County, Michigan.

Population94,968
Coordinates43.0125300, -83.6874600
Altitude229
CountryUnited States
Start: South Lake Street (-84.212874, 42.250917)
End: East Court Street (-83.687592, 43.012684)

Estimated Travel Time

Distance: 125 km by road

SpeedTime
30 mph (48.3 km/h)02h 35m
40 mph (64.37 km/h)01h 56m
50 mph (80.47 km/h)01h 33m
60 mph (96.56 km/h)01h 17m
70 mph (112.65 km/h)01h 06m
80 mph (129 km/h)00h 58m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.74 gal
10.38 L · about $10.33
Round trip
$20.67
5.48 gal · 20.76 L
Estimated CO2
24.4 kg one way
Round trip: 48.7 kg / 107 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $10.33 $20.67
Mid-grade $4.25 $11.65 $23.31
Premium $4.65 $12.75 $25.50
Diesel $5.30 $14.53 $29.07

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 23, 2026

There is no time difference between Grass Lake and Flint. The current time is 22:51:28.

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.