How far is Boston, MI from Flint, MI?

The driving distance from Boston, MI to Flint, MI is about 495.6 miles (797.6 km), with a travel time of about 07h 57m by car.

  • The straight-line flight distance is about 372.2 miles (599 km).
  • For a round trip, plan for roughly 15h 54m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
495.61 mi
07h 57m
Flight
372.23 mi
599.04 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Boston.

Flight Distance

Direct air line
372.23 mi
Kilometers
599.04 km
Flight Time
00h 44m

Driving Distance

Road route
495.61 mi
Kilometers
797.61 km
Drive Time
07h 57m

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 07h 57m.

Arrival Snapshot
Arrive in Flint
Sat, Apr 18, 7:58 AM EDT
Return by in Boston
Sat, Apr 18, 3:56 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Boston
2026-04-18T00:01
Arrive Flint
Sat, Apr 18, 7:58 AM EDT
Route Timing
07h 57m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
1:57 PM to 3:27 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
8:06 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Boston
8:00 PM EDT
Overnight-style route

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
Brevort
MI

Township in Mackinac County, Michigan

From Boston
247.5 mi
03h 58m
To Flint
248.1 mi
03h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
37°F
Saturday

Rain And Snow Showers Likely

Starts
Sat, Apr 18 6:00 AM EDT
Wind
15 to 20 mph NW
Destination
70°F
Saturday

Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM EDT
Wind
10 to 16 mph SSW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Boston and Flint.

  1. 1

    Start on Boston Road

    3033 ft · 1 min · Boston Road

  2. 2

    Continue on Highway Road

    1.5 mi · 4 min · Highway Road

  3. 3

    Merge slight left onto US-41

    2.2 mi · 3 min · US-41

  4. 4

    Continue on North Lincoln Drive

    2100 ft · 51 sec · North Lincoln Drive

  5. 5

    Turn left onto Scott Street

    1798 ft · 1 min · Scott Street

  6. 6

    At the end of the road, turn left onto Hancock Street

    3211 ft · 2 min · Hancock Street

  7. 7

    Merge slight left onto Front Street

    936 ft · 27 sec · Front Street

  8. 8

    Continue on Houghton-Hancock Lift Bridge

    1836 ft · 1 min · Houghton-Hancock Lift Bridge

  9. 9

    Turn left onto US 41 South

    84 m · 9 sec · US 41 South

  10. 10

    Continue on West Montezuma Avenue

    1 km · 2 min · West Montezuma Avenue

  11. 11

    Merge slight left onto College Avenue

    2195 ft · 1 min · College Avenue

  12. 12

    Continue on Townsend Drive

    84 mi · 1 hr 48 min · Townsend Drive

  13. 13

    Enter the roundabout and take exit 2 toward the route

    28 m · 5 sec

  14. 14

    Exit the rotary

    1.4 km · 2 min

  15. 15

    Enter the roundabout and take exit 2 toward Palms Avenue

    29 m · 6 sec · Palms Avenue

  16. 16

    Exit the roundabout onto Palms Avenue

    10.2 mi · 14 min · Palms Avenue

  17. 17

    Enter the roundabout and take exit 2 toward US-41/M-28

    35 m · 7 sec · US-41/M-28

  18. 18

    Exit the roundabout onto US-41/M-28

    2883 ft · 45 sec · US-41/M-28

  19. 19

    Enter the roundabout and take exit 1 toward US-41/M-28

    31 m · 6 sec · US-41/M-28

  20. 20

    Exit the roundabout onto US-41/M-28

    1.6 mi · 2 min · US-41/M-28

  21. 21

    Continue on Marquette Bypass

    1 mi · 1 min · Marquette Bypass

  22. 22

    Enter the roundabout and take exit 1 toward Marquette Bypass

    33 m · 6 sec · Marquette Bypass

  23. 23

    Exit the roundabout onto Marquette Bypass

    882 ft · 15 sec · Marquette Bypass

  24. 24

    Enter the roundabout and take exit 2 toward Marquette Bypass

    33 m · 1 sec · Marquette Bypass

  25. 25

    Exit the roundabout onto Marquette Bypass

    2760 ft · 52 sec · Marquette Bypass

  26. 26

    Take the exit slight right

    125 m · 10 sec

  27. 27

    Merge slight left onto South Front Street

    2.6 mi · 4 min · South Front Street

  28. 28

    Continue on US-41/M-28

    1.6 mi · 3 min · US-41/M-28

  29. 29

    Turn left onto M-28

    35.8 mi · 42 min · M-28

  30. 30

    Continue on West Munising Avenue

    2.2 mi · 5 min · West Munising Avenue

  31. 31

    Exit the roundabout onto Cedar Street

    838 ft · 23 sec · Cedar Street

  32. 32

    Continue on M-28

    35.1 mi · 42 min · M-28

  33. 33

    Turn sharp right

    17.3 mi · 21 min

  34. 34

    At the end of the road, turn left

    65.1 mi · 1 hr 16 min

  35. 35

    Take the exit slight right toward I 75 South: Mackinac Bridge

    1819 ft · 44 sec

  36. 36

    Merge slight left

    94.1 mi · 1 hr 37 min

  37. 37

    Keep slight left to continue on I 75: Saginaw, Detroit

    124.2 mi · 2 hr 7 min

  38. 38

    Keep slight right to continue on UAW Freeway

    10 mi · 11 min · UAW Freeway

  39. 39

    Take the exit slight right toward M 21

    1294 ft · 32 sec

  40. 40

    Continue on Chavez Drive

    1218 ft · 35 sec · Chavez Drive

  41. 41

    Turn right onto East Court Street

    1317 ft · 32 sec · East Court Street

  42. 42

    Turn left

    21 m · 7 sec

  43. 43

    Turn right

    28 m · 7 sec

  44. 44

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
44 steps
22 turns on the saved route
Ramps & Exits
21
5 merges, 16 ramps or exits
Navigation Density
8.9 / 100 mi
Decision points by distance
Main Roads
I 75
124 mi · 25%
I 75 South
94.4 mi · 19%
Townsend Drive
84.8 mi · 17%
M-28
70.9 mi · 14%
Palms Avenue
10.2 mi · 2%
UAW Freeway
9.98 mi · 2%
Longest Stretch

I 75

Keep slight left to continue on I 75: Saginaw, Detroit

124 mi · 02h 07m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
07h 57m
Overnight route
Same-Day Return
15h 54m
Round-trip wheel time
Road vs Air
+123.4 mi
372.2 mi direct line
Halfway Stop
Brevort
03h 58m from Boston
Leave By
8:06 PM EDT
Overnight-style route
Weather Watch

Rain And Snow Showers Likely leaving Boston and Showers And Thunderstorms near Flint.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Boston to Flint?

The road trip is about 495.6 miles (797.6 km) and usually takes 07h 57m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Brevort is a useful midpoint, sitting about 247.5 miles from Boston and 248.1 miles from Flint.

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

The direct path is about 372.2 miles (599 km), while the road route adds roughly 123.4 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 6:00 AM to 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $65.95 one way or $131.91 round trip. Estimated CO2 is about 155.4 kg one way.

What should you check before leaving?

Before you leave, expect Rain And Snow Showers Likely around Boston and Showers And Thunderstorms near Flint.

Stop Ideas Near Brevort

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

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

BUS

St. Ignace, Michigan

29 mi away
448 North State St.
BUS

Mackinaw City, Michigan

36 mi away
102 South Huron Ave.
BUS

Pellston, Michigan

56 mi away
110 North US Highway 131
BUS

Cheboygan, MI

61 mi away
309 East State Street

Flight Path Map

This map shows the direct air route between Boston and Flint. Straight-line distance: 372.23 mi (599.04 km).

Photo coming soon

#1 Boston

Township in Ionia County, Michigan

Population5,825
Coordinates47.1796500, -88.5292900
Altitude334
CountryUnited States
Flint

#2 Flint

The largest city in Genesee County, Michigan.

Population94,968
Coordinates43.0125300, -83.6874600
Altitude229
CountryUnited States
Start: Highway Road (-88.529208, 47.179607)
End: East Court Street (-83.687592, 43.012684)

Estimated Travel Time

Distance: 798 km by road

SpeedTime
30 mph (48.3 km/h)16h 30m
40 mph (64.37 km/h)12h 23m
50 mph (80.47 km/h)09h 54m
60 mph (96.56 km/h)08h 15m
70 mph (112.65 km/h)07h 04m
80 mph (129 km/h)06h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
17.49 gal
66.2 L · about $65.95
Round trip
$131.91
34.98 gal · 132.4 L
Estimated CO2
155.4 kg one way
Round trip: 310.9 kg / 685 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $65.95 $131.91
Mid-grade $4.25 $74.38 $148.77
Premium $4.65 $81.40 $162.80
Diesel $5.30 $92.77 $185.53

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 18, 2026

There is no time difference between Boston and Flint. The current time is 00:01:34.

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.