How far is Marion, IA from Osceola County, IA?
The driving distance from Marion, IA to Osceola County, IA is about 286.2 miles (460.6 km), with a travel time of about 05h 51m by car.
- The straight-line flight distance is about 224.5 miles (361.3 km).
- For a round trip, plan for roughly 11h 43m 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 05h 51m.
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.
City in Webster County, Iowa, in the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Marion and Osceola County.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marion and Osceola County.
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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
159.2 mi · 3 hr 4 min · Avenue of the Saints
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16
Turn right onto Armstrong Avenue
6 mi · 8 min · Armstrong Avenue
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17
Continue on 20th Avenue
9.2 mi · 13 min · 20th Avenue
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18
Turn left onto Highway 7
1.1 mi · 2 min · Highway 7
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19
Continue on State Highway 7
2.1 mi · 3 min · State Highway 7
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20
Continue on 1st Street
1.4 mi · 2 min · 1st Street
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21
Continue on V Avenue
1.9 mi · 3 min · V Avenue
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22
Turn left onto State Highway 3
1153 ft · 23 sec · State Highway 3
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23
Turn straight onto 530th Street
3.1 mi · 4 min · 530th Street
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24
Turn right onto State Highway 3
2.7 mi · 4 min · State Highway 3
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25
Turn right
13.6 mi · 19 min
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26
Turn left onto 470th Street
4.1 mi · 6 min · 470th Street
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27
Continue on Silver Avenue
7.2 mi · 10 min · Silver Avenue
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28
Continue on South Rerick Avenue
1.6 mi · 3 min · South Rerick Avenue
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29
Continue on Silver Avenue
6 mi · 8 min · Silver Avenue
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30
Turn left onto 320th Street
1.6 km · 1 min · 320th Street
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31
Turn right onto Roosevelt Avenue
13 mi · 18 min · Roosevelt Avenue
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32
Turn right onto 190th Street
1.6 km · 4 min · 190th Street
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33
Turn left onto Silver Avenue
1455 ft · 1 min · Silver Avenue
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34
Arrive at your destination
0 m · 1 sec · Silver Avenue
Car Route Details
A richer read on the saved driving route between Marion and Osceola County.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Avenue of the Saints
Keep slight left to continue on Avenue of the Saints
159 mi · 03h 04m
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.
Showers And Thunderstorms leaving Marion and Showers And Thunderstorms Likely near Osceola County.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marion to Osceola County?
The road trip is about 286.2 miles (460.6 km) and usually takes 05h 51m 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?
Duncombe is a useful midpoint, sitting about 142.9 miles from Marion and 143.4 miles from Osceola County.
How much longer is the road route than the straight-line distance?
The direct path is about 224.5 miles (361.3 km), while the road route adds roughly 61.7 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 5:16 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.47 one way or $84.94 round trip. Estimated CO2 is about 89.8 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Marion and Showers And Thunderstorms Likely near Osceola County.
Flight Path Map
This map shows the direct air route between Marion and Osceola County. Straight-line distance: 224.5 mi (361.29 km).
#1 Marion
The county seat of Linn County, Iowa.
| Population | 40,780 |
| Coordinates | 42.0341700, -91.5976800 |
| Altitude | 259 |
| Country | United States |
#2 Osceola County
County in Iowa, United States
| Population | 5,987 |
| Coordinates | 43.3785700, -95.6236900 |
| Altitude | 477 |
| Country | United States |
End: Osceola County (-95.62369, 43.37857)
Estimated Travel Time
Distance: 461 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 32m |
| 40 mph (64.37 km/h) | 07h 09m |
| 50 mph (80.47 km/h) | 05h 43m |
| 60 mph (96.56 km/h) | 04h 46m |
| 70 mph (112.65 km/h) | 04h 05m |
| 80 mph (129 km/h) | 03h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.21 | $42.47 | $84.94 |
| Mid-grade | $4.47 | $45.19 | $90.37 |
| Premium | $5.10 | $51.52 | $103.04 |
| Diesel | $6.07 | $61.32 | $122.63 |
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 · Oct 15, 2026