How far is Marion, IA from Storm Lake, IA?
The driving distance from Marion, IA to Storm Lake, IA is about 213.7 miles (343.9 km), with a travel time of about 04h 13m by car.
- The straight-line flight distance is about 189.1 miles (304.4 km).
- For a round trip, plan for roughly 08h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 04h 13m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Township in Hardin County, Iowa
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Marion and Storm Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marion and Storm Lake.
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1
Start on 8th Avenue
136 m · 23 sec · 8th Avenue
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2
Turn left onto 10th Street
98 m · 13 sec · 10th Street
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3
Turn right onto 7th Avenue
880 ft · 22 sec · 7th Avenue
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4
Enter the roundabout and take exit 2 toward the route
31 m · 4 sec
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5
Exit the roundabout
40 m · 6 sec
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6
Continue on 7th Avenue
1828 ft · 48 sec · 7th Avenue
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7
Continue on Marion Boulevard
1 km · 1 min · Marion Boulevard
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8
Continue on 1st Avenue East
621 ft · 19 sec · 1st Avenue East
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9
Turn right onto Collins Road Northeast
2.2 mi · 3 min · Collins Road Northeast
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10
Take the exit slight right toward I-380, IA 27: Iowa City, Waterloo
2548 ft · 1 min
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11
Keep slight right to continue on I-380 north, IA 27 north: Waterloo
2156 ft · 42 sec
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12
Keep slight left
87 m · 7 sec
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13
Continue on I-380 south, IA 27 south: Waterloo
1093 ft · 27 sec
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14
Merge slight left onto Avenue of the Saints
46.6 mi · 51 min · Avenue of the Saints
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15
Keep slight left to continue on Avenue of the Saints
147.7 mi · 2 hr 50 min · Avenue of the Saints
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16
Take the exit slight right toward IA 471 South, US 71 NORTH: Early, Storm Lake
1974 ft · 57 sec
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17
Turn right
10.9 mi · 15 min
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18
Turn left
3.1 mi · 7 min
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19
Continue on Grand Avenue
942 ft · 40 sec · Grand Avenue
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20
Arrive at your destination
0 m · 1 sec · Grand Avenue
Car Route Details
A richer read on the saved driving route between Marion and Storm Lake.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Avenue of the Saints
Keep slight left to continue on Avenue of the Saints
148 mi · 02h 50m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely leaving Marion 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 Marion to Storm Lake?
The road trip is about 213.7 miles (343.9 km) and usually takes 04h 13m 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?
Buckeye is a useful midpoint, sitting about 106.6 miles from Marion and 107.1 miles from Storm Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 189.1 miles (304.4 km), while the road route adds roughly 24.6 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 8:32 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.43 one way or $56.87 round trip. Estimated CO2 is about 67 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms Likely around Marion and Slight Chance Rain Showers near Storm Lake.
Flight Path Map
This map shows the direct air route between Marion and Storm Lake. Straight-line distance: 189.17 mi (304.44 km).
#1 Marion
The county seat of Linn County, Iowa.
| Population | 40,780 |
| Coordinates | 42.0341700, -91.5976800 |
| Altitude | 259 |
| Country | United States |
#2 Storm Lake
City in Iowa
| Population | 10,438 |
| Coordinates | 42.6410900, -95.2097200 |
| Altitude | 433 |
| Country | United States |
End: Storm Lake (-95.20972, 42.64109)
Estimated Travel Time
Distance: 344 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 07m |
| 40 mph (64.37 km/h) | 05h 20m |
| 50 mph (80.47 km/h) | 04h 16m |
| 60 mph (96.56 km/h) | 03h 33m |
| 70 mph (112.65 km/h) | 03h 03m |
| 80 mph (129 km/h) | 02h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.43 | $56.87 |
| Mid-grade | $4.25 | $32.07 | $64.14 |
| Premium | $4.65 | $35.09 | $70.18 |
| Diesel | $5.30 | $39.99 | $79.98 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.