How far is Duncombe, IA from Sioux Center, IA?
The driving distance from Duncombe, IA to Sioux Center, IA is about 155 miles (249.4 km), with a travel time of about 03h 17m by car.
- The straight-line flight distance is about 118.4 miles (190.5 km).
- For a round trip, plan for roughly 06h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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 03h 17m.
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 Ida County, Iowa, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Duncombe and Sioux Center.
Turn-by-Turn Driving Directions
Step-by-step road directions between Duncombe and Sioux Center.
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1
Start on the route
16 m · 6 sec
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2
Turn right onto Cedar Street
49 m · 12 sec · Cedar Street
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3
Turn left onto Warren Street
753 ft · 35 sec · Warren Street
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4
Turn right onto Walnut Street
1607 ft · 32 sec · Walnut Street
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5
Continue on County Highway P73
1.8 mi · 3 min · County Highway P73
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6
Turn right
98.5 mi · 1 hr 55 min
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7
Turn right onto Lee Avenue
5.4 mi · 7 min · Lee Avenue
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8
Continue on Shamrock Avenue
2 mi · 3 min · Shamrock Avenue
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9
Turn left onto 320th Street
2 mi · 3 min · 320th Street
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10
Turn right onto State Highway 140
15.1 mi · 21 min · State Highway 140
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11
Continue on County Road L14
7 mi · 10 min · County Road L14
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12
Continue on Kiwi Avenue
5 mi · 7 min · Kiwi Avenue
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13
At the end of the road, turn left onto 460th Street
1.8 mi · 2 min · 460th Street
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14
Continue on State Highway 10
1587 ft · 25 sec · State Highway 10
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15
Continue on Kennedy Avenue
1.4 km · 1 min · Kennedy Avenue
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16
Turn left onto 450th Street
2 mi · 3 min · 450th Street
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17
Enter the roundabout and take exit 2 toward 450th Street
25 m · 5 sec · 450th Street
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18
Exit the roundabout onto 450th Street
1.2 km · 1 min · 450th Street
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19
Continue on 8th Street Southeast
1.2 km · 2 min · 8th Street Southeast
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20
Continue on Highway 10 West
2721 ft · 58 sec · Highway 10 West
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21
Continue on 450th Street
5 mi · 7 min · 450th Street
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22
Turn right
5.8 mi · 9 min
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23
Arrive at your destination
0 m · 1 sec · North Main Avenue
Car Route Details
A richer read on the saved driving route between Duncombe and Sioux Center.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn right
98.5 mi · 01h 55m
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.
Sunny leaving Duncombe and Partly Sunny near Sioux Center.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Duncombe to Sioux Center?
The road trip is about 155 miles (249.4 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?
Galva is a useful midpoint, sitting about 77.4 miles from Duncombe and 77.6 miles from Sioux Center.
How much longer is the road route than the straight-line distance?
The direct path is about 118.4 miles (190.5 km), while the road route adds roughly 36.6 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 CST. If you want a more comfortable same-day return, try to leave by 10:26 AM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.72 one way or $43.44 round trip. Estimated CO2 is about 48.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Duncombe and Partly Sunny near Sioux Center.
Flight Path Map
This map shows the direct air route between Duncombe and Sioux Center. Straight-line distance: 118.4 mi (190.54 km).
#1 Duncombe
City in Webster County, Iowa, in the United States
| Population | 386 |
| Coordinates | 42.4705300, -93.9935600 |
| Altitude | 338 |
| 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: 249 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 09m |
| 40 mph (64.37 km/h) | 03h 52m |
| 50 mph (80.47 km/h) | 03h 05m |
| 60 mph (96.56 km/h) | 02h 34m |
| 70 mph (112.65 km/h) | 02h 12m |
| 80 mph (129 km/h) | 01h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.97 | $21.72 | $43.44 |
| Mid-grade | $4.29 | $23.47 | $46.93 |
| Premium | $4.86 | $26.60 | $53.19 |
| Diesel | $6.03 | $33.00 | $66.00 |
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 · Nov 05, 2026