How far is Marion, IA from Sioux Center, IA?
The driving distance from Marion, IA to Sioux Center, IA is about 293.2 miles (471.8 km), with a travel time of about 05h 54m by car.
- The straight-line flight distance is about 243.9 miles (392.5 km).
- For a round trip, plan for roughly 11h 49m 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 54m.
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.
Human settlement in Webster County, Iowa, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Rain Showers
Driving Route Map
The map below follows the saved road route between Marion and Sioux Center.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marion and Sioux Center.
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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
160.2 mi · 3 hr 5 min · Avenue of the Saints
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16
Continue on 160th Street
6.4 mi · 7 min · 160th Street
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17
Continue on United States Highway 20
1.9 mi · 3 min · United States Highway 20
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18
Continue on Highway 20
19 mi · 23 min · Highway 20
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19
Turn right onto Lee Avenue
5.4 mi · 7 min · Lee Avenue
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20
Continue on Shamrock Avenue
2 mi · 3 min · Shamrock Avenue
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21
Turn left onto 320th Street
2 mi · 3 min · 320th Street
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22
Turn right onto State Highway 140
15.1 mi · 21 min · State Highway 140
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23
Continue on County Road L14
7 mi · 10 min · County Road L14
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24
Continue on Kiwi Avenue
5 mi · 7 min · Kiwi Avenue
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25
At the end of the road, turn left onto 460th Street
1.8 mi · 2 min · 460th Street
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26
Continue on State Highway 10
1587 ft · 25 sec · State Highway 10
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27
Continue on Kennedy Avenue
1.4 km · 1 min · Kennedy Avenue
-
28
Turn left onto 450th Street
2 mi · 3 min · 450th Street
-
29
Enter the roundabout and take exit 2 toward 450th Street
25 m · 5 sec · 450th Street
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30
Exit the roundabout onto 450th Street
1.2 km · 1 min · 450th Street
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31
Continue on 8th Street Southeast
1.2 km · 2 min · 8th Street Southeast
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32
Continue on Highway 10 West
2721 ft · 58 sec · Highway 10 West
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33
Continue on 450th Street
5 mi · 7 min · 450th Street
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34
Turn right
5.8 mi · 9 min
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35
Arrive at your destination
0 m · 1 sec · North Main Avenue
Car Route Details
A richer read on the saved driving route between Marion and Sioux Center.
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
160 mi · 03h 05m
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 Rain Showers near Sioux Center.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marion to Sioux Center?
The road trip is about 293.2 miles (471.8 km) and usually takes 05h 54m 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?
Otho is a useful midpoint, sitting about 146.3 miles from Marion and 146.8 miles from Sioux Center.
How much longer is the road route than the straight-line distance?
The direct path is about 243.9 miles (392.5 km), while the road route adds roughly 49.3 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 5:10 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.48 one way or $86.96 round trip. Estimated CO2 is about 91.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Marion and Rain Showers near Sioux Center.
Flight Path Map
This map shows the direct air route between Marion and Sioux Center. Straight-line distance: 243.89 mi (392.51 km).
#1 Marion
The county seat of Linn County, Iowa.
| Population | 40,780 |
| Coordinates | 42.0341700, -91.5976800 |
| Altitude | 259 |
| Country | United States |
#2 Sioux Center
City in Sioux County, Iowa, United States of America
| Population | 7,665 |
| Coordinates | 43.0797100, -96.1755800 |
| Altitude | 446 |
| Country | United States |
End: Sioux Center (-96.17558, 43.07971)
Estimated Travel Time
Distance: 472 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 46m |
| 40 mph (64.37 km/h) | 07h 19m |
| 50 mph (80.47 km/h) | 05h 51m |
| 60 mph (96.56 km/h) | 04h 53m |
| 70 mph (112.65 km/h) | 04h 11m |
| 80 mph (129 km/h) | 03h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.21 | $43.48 | $86.96 |
| Mid-grade | $4.47 | $46.26 | $92.52 |
| Premium | $5.10 | $52.74 | $105.49 |
| Diesel | $6.07 | $62.77 | $125.55 |
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