How far is Marshalltown, IA from Storm Lake, IA?

The driving distance from Marshalltown, IA to Storm Lake, IA is about 164.2 miles (264.2 km), with a travel time of about 03h 17m by car.

  • The straight-line flight distance is about 124.5 miles (200.3 km).
  • For a round trip, plan for roughly 06h 35m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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
164.17 mi
03h 17m
Flight
124.44 mi
200.27 km direct

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

Learn Distance

Choose another destination from Marshalltown.

Flight Distance

Direct air line
124.44 mi
Kilometers
200.27 km
Flight Time
00h 15m

Driving Distance

Road route
164.17 mi
Kilometers
264.21 km
Drive Time
03h 17m

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 03h 17m.

Arrival Snapshot
Arrive in Storm Lake
Thu, Apr 16, 2:37 AM CDT
Return by in Marshalltown
Thu, Apr 16, 5:54 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Marshalltown
2026-04-15T23:19
Arrive Storm Lake
Thu, Apr 16, 2:37 AM CDT
Route Timing
03h 17m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:18 AM to 11:18 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:24 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Marshalltown
9:00 PM CDT
Early departure recommended

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
Webster City
IA

City in Iowa

From Marshalltown
82 mi
01h 38m
To Storm Lake
82.2 mi
01h 38m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Overnight

Showers And Thunderstorms

Starts
Wed, Apr 15 1:00 AM CDT
Wind
7 mph NE
Destination
47°F
Overnight

Slight Chance Rain Showers

Starts
Wed, Apr 15 1:00 AM CDT
Wind
5 to 10 mph NE

Driving Route Map

The map below follows the saved road route between Marshalltown and Storm Lake.

Turn-by-Turn Driving Directions

Step-by-step road directions between Marshalltown and Storm Lake.

  1. 1

    Start on North 3rd Avenue

    1.3 km · 1 min · North 3rd Avenue

  2. 2

    Turn right onto East Anson Street

    1329 ft · 30 sec · East Anson Street

  3. 3

    Turn left onto South Center Street

    2.3 mi · 4 min · South Center Street

  4. 4

    Take the ramp right

    1997 ft · 49 sec

  5. 5

    Merge slight left onto Lincoln Highway

    33.3 mi · 39 min · Lincoln Highway

  6. 6

    Take the exit slight right toward I 35 North: Minneapolis

    2992 ft · 1 min

  7. 7

    Merge slight left

    30.4 mi · 33 min

  8. 8

    Take the exit slight right toward US 20 West: Fort Dodge

    1664 ft · 57 sec

  9. 9

    Merge slight left

    81.3 mi · 1 hr 34 min

  10. 10

    Take the exit slight right toward IA 471 South, US 71 NORTH: Early, Storm Lake

    1974 ft · 57 sec

  11. 11

    Turn right

    10.9 mi · 15 min

  12. 12

    Turn left

    3.1 mi · 7 min

  13. 13

    Continue on Grand Avenue

    942 ft · 40 sec · Grand Avenue

  14. 14

    Arrive at your destination

    0 m · 1 sec · Grand Avenue

Car Route Details

A richer read on the saved driving route between Marshalltown and Storm Lake.

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
14 steps
4 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
8.5 / 100 mi
Decision points by distance
Main Roads
US 20 West
81.6 mi · 50%
Lincoln Highway
33.3 mi · 20%
I 35 North
31 mi · 19%
South Center Street
2.7 mi · 2%
North 3rd Avenue
0.78 mi
IA 471 South
0.37 mi
Longest Stretch

US 20 West

Merge slight left

81.3 mi · 01h 34m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 17m
Long day trip
Same-Day Return
06h 36m
Round-trip wheel time
Road vs Air
+39.7 mi
124.5 mi direct line
Halfway Stop
Webster City
01h 38m from Marshalltown
Leave By
10:24 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving Marshalltown and Slight Chance Rain Showers near Storm Lake.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Marshalltown to Storm Lake?

The road trip is about 164.2 miles (264.2 km) and usually takes 03h 17m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Webster City is a useful midpoint, sitting about 82 miles from Marshalltown and 82.2 miles from Storm Lake.

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

The direct path is about 124.5 miles (200.3 km), while the road route adds roughly 39.7 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:24 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $21.83 one way or $43.67 round trip. Estimated CO2 is about 51.5 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Marshalltown and Slight Chance Rain Showers near Storm Lake.

Flight Path Map

This map shows the direct air route between Marshalltown and Storm Lake. Straight-line distance: 124.44 mi (200.27 km).

Marshalltown

#1 Marshalltown

City in Marshal County, Iowa

Population26,736
Coordinates42.0494300, -92.9079800
Altitude287
CountryUnited States
Storm Lake

#2 Storm Lake

City in Iowa

Population10,438
Coordinates42.6410900, -95.2097200
Altitude433
CountryUnited States
Start: Marshalltown (-92.90798, 42.04943)
End: Storm Lake (-95.20972, 42.64109)

Estimated Travel Time

Distance: 264 km by road

SpeedTime
30 mph (48.3 km/h)05h 28m
40 mph (64.37 km/h)04h 06m
50 mph (80.47 km/h)03h 17m
60 mph (96.56 km/h)02h 44m
70 mph (112.65 km/h)02h 20m
80 mph (129 km/h)02h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.79 gal
21.93 L · about $21.83
Round trip
$43.67
11.58 gal · 43.86 L
Estimated CO2
51.5 kg one way
Round trip: 102.9 kg / 227 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $21.83 $43.67
Mid-grade $4.25 $24.62 $49.25
Premium $4.65 $26.95 $53.89
Diesel $5.30 $30.71 $61.42

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 Iowa · Apr 16, 2026

There is no time difference between Marshalltown and Storm Lake. The current time is 23:19:23.

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.