How far is Flint, MI from Iron Mountain, MI?

The driving distance from Flint, MI to Iron Mountain, MI is about 421.5 miles (678.4 km), with a travel time of about 07h 49m by car.

  • The straight-line flight distance is about 290.3 miles (467.2 km).
  • For a round trip, plan for roughly 15h 39m 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
421.53 mi
07h 49m
Flight
290.31 mi
467.21 km direct

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

Learn Distance

Choose another destination from Flint.

Flight Distance

Direct air line
290.31 mi
Kilometers
467.21 km
Flight Time
00h 35m

Driving Distance

Road route
421.53 mi
Kilometers
678.38 km
Drive Time
07h 49m

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 49m.

Arrival Snapshot
Arrive in Iron Mountain
Sat, Apr 18, 4:18 PM CDT
Return by in Flint
Sun, Apr 19, 1:08 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Flint
2026-04-18T09:29
Arrive Iron Mountain
Sat, Apr 18, 5:18 PM EDT
Route Timing
07h 49m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
12:50 PM to 2:20 PM CDT

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

Leave by
8:20 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Flint
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
Carp Lake
MI

Township in Emmet County, Michigan

From Flint
210.6 mi
03h 54m
To Iron Mountain
211 mi
03h 54m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Saturday

Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM EDT
Wind
10 to 16 mph SSW
Destination
44°F
Saturday

Chance Rain And Snow Showers

Starts
Sat, Apr 18 6:00 AM CDT
Wind
15 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Flint and Iron Mountain.

  1. 1

    Start on the route

    28 m · 11 sec

  2. 2

    Turn uturn onto East Court Street

    77 m · 18 sec · East Court Street

  3. 3

    Turn right onto Saginaw Street

    650 ft · 28 sec · Saginaw Street

  4. 4

    Turn right onto East Third Street

    1868 ft · 1 min · East Third Street

  5. 5

    Turn left onto Chavez Drive

    147 m · 14 sec · Chavez Drive

  6. 6

    Take the ramp straight toward I 475 North

    1175 ft · 29 sec

  7. 7

    Merge slight left onto UAW Freeway

    9.7 mi · 10 min · UAW Freeway

  8. 8

    Merge slight left

    38 mi · 41 min

  9. 9

    Keep slight left

    62.9 mi · 1 hr 3 min

  10. 10

    Keep slight left

    117.6 mi · 2 hr 1 min

  11. 11

    Take the exit slight right toward US 2: Manistique, Escanaba

    1913 ft · 1 min

  12. 12

    Merge slight left onto US-2 West

    1.1 km · 1 min · US-2 West

  13. 13

    Continue on US 2

    3.2 mi · 4 min · US 2

  14. 14

    Continue on US-2 West

    134.6 mi · 2 hr 40 min · US-2 West

  15. 15

    Merge slight left onto North Lincoln Road

    2 mi · 3 min · North Lincoln Road

  16. 16

    Turn right onto Ludington Street

    1.5 mi · 2 min · Ludington Street

  17. 17

    Continue on US 2 & 41

    20.5 mi · 26 min · US 2 & 41

  18. 18

    Turn right

    29.7 mi · 35 min

  19. 19

    Turn left onto East Ludington Street

    35 m · 2 sec · East Ludington Street

  20. 20

    Arrive at your destination

    0 m · 1 sec · East Ludington Street

Car Route Details

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

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
20 steps
7 turns on the saved route
Ramps & Exits
6
4 merges, 2 ramps or exits
Navigation Density
4.7 / 100 mi
Decision points by distance
Main Roads
UAW Freeway
228 mi · 54%
US-2 West
135 mi · 32%
US 2 & 41
20.5 mi · 5%
US 2
3.55 mi · 1%
North Lincoln Road
1.97 mi
Ludington Street
1.5 mi
Longest Stretch

US-2 West

Continue on US-2 West

135 mi · 02h 40m

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 49m
Overnight route
Same-Day Return
15h 40m
Round-trip wheel time
Road vs Air
+131.2 mi
290.3 mi direct line
Halfway Stop
Carp Lake
03h 54m from Flint
Leave By
8:20 PM EDT
Overnight-style route
Weather Watch

Showers And Thunderstorms leaving Flint and Chance Rain And Snow Showers near Iron Mountain.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Flint to Iron Mountain?

The road trip is about 421.5 miles (678.4 km) and usually takes 07h 49m 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?

Carp Lake is a useful midpoint, sitting about 210.6 miles from Flint and 211 miles from Iron Mountain.

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

The direct path is about 290.3 miles (467.2 km), while the road route adds roughly 131.2 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 $56.11 one way or $112.22 round trip. Estimated CO2 is about 132.2 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Flint and Iron Mountain, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Flint and Chance Rain And Snow Showers near Iron Mountain.

Stop Ideas Near Carp Lake

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

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

BUS

Mackinaw City, Michigan

10 mi away
102 South Huron Ave.
BUS

Pellston, Michigan

17 mi away
110 North US Highway 131
BUS

St. Ignace, Michigan

19 mi away
448 North State St.
BUS

Cheboygan, MI

23 mi away
309 East State Street

Flight Path Map

This map shows the direct air route between Flint and Iron Mountain. Straight-line distance: 290.31 mi (467.21 km).

Flint

#1 Flint

The largest city in Genesee County, Michigan.

Population94,968
Coordinates43.0125300, -83.6874600
Altitude229
CountryUnited States
Iron Mountain

#2 Iron Mountain

City in Dickinson County, Michigan, USA

Population7,268
Coordinates45.8202300, -88.0659600
Altitude347
CountryUnited States
Start: Flint (-83.68746, 43.01253)
End: Iron Mountain (-88.06596, 45.82023)

Estimated Travel Time

Distance: 678 km by road

SpeedTime
30 mph (48.3 km/h)14h 02m
40 mph (64.37 km/h)10h 32m
50 mph (80.47 km/h)08h 25m
60 mph (96.56 km/h)07h 01m
70 mph (112.65 km/h)06h 01m
80 mph (129 km/h)05h 15m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
14.88 gal
56.31 L · about $56.11
Round trip
$112.22
29.76 gal · 112.62 L
Estimated CO2
132.2 kg one way
Round trip: 264.5 kg / 583 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $56.11 $112.22
Mid-grade $4.25 $63.28 $126.57
Premium $4.65 $69.25 $138.50
Diesel $5.30 $78.92 $157.85

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

Please keep in mind that there is a 1 hour time gap between Flint, MI and Iron Mountain, MI. The current time in Flint is 09:29:23, although it is 08:29:23 in Iron Mountain.

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.