How far is Sioux Center, IA from Dubuque, IA?
The driving distance from Sioux Center, IA to Dubuque, IA is about 327.1 miles (526.4 km), with a travel time of about 05h 21m by car.
- The straight-line flight distance is about 282.2 miles (454.2 km).
- For a round trip, plan for roughly 10h 42m 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 21m.
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 Iowa
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Sioux Center and Dubuque.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sioux Center and Dubuque.
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1
Start on North Main Avenue
5.7 mi · 9 min · North Main Avenue
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2
Turn left onto 450th Street
5 mi · 7 min · 450th Street
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3
Continue on Highway 10 West
2721 ft · 58 sec · Highway 10 West
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4
Continue on 8th Street Southwest
1.2 km · 2 min · 8th Street Southwest
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5
Continue on 450th Street
1.2 km · 1 min · 450th Street
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6
Enter the roundabout and take exit 2 toward 450th Street
24 m · 5 sec · 450th Street
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7
Exit the roundabout onto 450th Street
2 mi · 3 min · 450th Street
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8
Turn right onto Kennedy Avenue
1.4 km · 1 min · Kennedy Avenue
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9
Continue on State Highway 10
1587 ft · 25 sec · State Highway 10
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10
Continue on 460th Street
1.8 mi · 2 min · 460th Street
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11
Turn right onto Kiwi Avenue
5 mi · 7 min · Kiwi Avenue
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12
Continue on County Road L14
7 mi · 10 min · County Road L14
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13
Continue on State Highway 140
15.1 mi · 21 min · State Highway 140
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14
Turn left onto 320th Street
2 mi · 3 min · 320th Street
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15
Turn right onto Shamrock Avenue
2 mi · 3 min · Shamrock Avenue
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16
Continue on Lee Avenue
5.4 mi · 8 min · Lee Avenue
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17
Turn left onto Highway 20
19 mi · 23 min · Highway 20
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18
Continue on United States Highway 20
8.3 mi · 10 min · United States Highway 20
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19
Continue on 220th Street
165.9 mi · 3 hr 11 min · 220th Street
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20
Keep slight left
81.4 mi · 1 hr 37 min
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21
Turn left onto South Locust Street
553 ft · 18 sec · South Locust Street
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22
Turn straight onto IA 946
708 ft · 21 sec
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23
At the end of the road, turn left
128 m · 13 sec
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24
Take the exit slight right toward White Street, Port of Dubuque
1432 ft · 32 sec
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25
Continue on White Street
638 ft · 27 sec · White Street
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26
Turn left onto East 7th Street
87 m · 20 sec · East 7th Street
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27
Turn left onto Central Avenue
10 m · 1 sec · Central Avenue
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28
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Sioux Center and Dubuque.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
220th Street
Continue on 220th Street
166 mi · 03h 11m
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 Likely leaving Sioux Center and Mostly Sunny near Dubuque.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sioux Center to Dubuque?
The road trip is about 327.1 miles (526.4 km) and usually takes 05h 21m 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 164.4 miles from Sioux Center and 162.7 miles from Dubuque.
How much longer is the road route than the straight-line distance?
The direct path is about 282.2 miles (454.2 km), while the road route adds roughly 44.9 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 6:18 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.52 one way or $87.03 round trip. Estimated CO2 is about 102.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Sioux Center and Mostly Sunny near Dubuque.
Flight Path Map
This map shows the direct air route between Sioux Center and Dubuque. Straight-line distance: 282.23 mi (454.2 km).
#1 Sioux Center
City in Sioux County, Iowa, United States of America
| Population | 7,665 |
| Coordinates | 43.0797100, -96.1755800 |
| Altitude | 446 |
| Country | United States |
#2 Dubuque
The most populous city in Dubuque County, Iowa.
| Population | 57,781 |
| Coordinates | 42.5005600, -90.6645700 |
| Altitude | 189 |
| Country | United States |
End: Central Avenue (-90.664595, 42.500561)
Estimated Travel Time
Distance: 526 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 53m |
| 40 mph (64.37 km/h) | 08h 10m |
| 50 mph (80.47 km/h) | 06h 32m |
| 60 mph (96.56 km/h) | 05h 27m |
| 70 mph (112.65 km/h) | 04h 40m |
| 80 mph (129 km/h) | 04h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $43.52 | $87.03 |
| Mid-grade | $4.25 | $49.08 | $98.16 |
| Premium | $4.65 | $53.71 | $107.41 |
| Diesel | $5.30 | $61.21 | $122.42 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.