How far is Lake Mills, IA from Sioux City, IA?
The driving distance from Lake Mills, IA to Sioux City, IA is about 193.1 miles (310.8 km), with a travel time of about 03h 27m by car.
- The straight-line flight distance is about 158.3 miles (254.7 km).
- For a round trip, plan for roughly 06h 54m 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 03h 27m.
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 Dickinson County, Iowa, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Lake Mills and Sioux City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lake Mills and Sioux City.
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1
Start on West Main Street
4.3 mi · 6 min · West Main Street
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2
Turn right onto 180th Avenue
3.6 mi · 5 min · 180th Avenue
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3
Continue on Main Street
2647 ft · 53 sec · Main Street
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4
Continue on 180th Avenue
1 mi · 1 min · 180th Avenue
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5
Turn left onto 500th Street
4 mi · 5 min · 500th Street
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6
Turn right onto 140th Avenue
1.1 mi · 2 min · 140th Avenue
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7
Continue on State Highway 22
2.5 mi · 3 min · State Highway 22
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8
Continue on South 1st Street
3132 ft · 1 min · South 1st Street
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9
Continue on State Highway 22
7.6 mi · 10 min · State Highway 22
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10
At the end of the road, turn left onto State Highway 22
1 mi · 1 min · State Highway 22
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11
Continue on State Highway 22
2653 ft · 44 sec · State Highway 22
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12
Take the ramp left toward I 90 West: Blue Earth
1495 ft · 37 sec
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13
Merge slight left
93.2 mi · 1 hr 40 min
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14
Take the exit slight right toward MN 60
1876 ft · 51 sec
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15
Turn right onto MN 60 W
1530 ft · 30 sec · MN 60 W
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16
Enter the roundabout and take exit 2 toward the route
36 m · 7 sec
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17
Exit the roundabout
2636 ft · 53 sec
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18
Enter the roundabout and take exit 2 toward Oxford Street
33 m · 6 sec
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19
Exit the rotary
1.2 km · 1 min
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20
Enter the roundabout and take exit 2 toward the route
26 m · 5 sec
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21
Exit the roundabout
5.5 mi · 7 min
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22
Continue straight
5.1 mi · 6 min
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23
Continue straight
59.1 mi · 1 hr 8 min
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24
Continue straight
20.2 mi · 25 min
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25
Take the exit slight right toward CR D12, US 75 Business: Floyd Boulevard, 46th Street
4 mi · 6 min
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26
Turn right onto 18th Street
73 m · 8 sec · 18th Street
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27
Turn left onto Terminal Drive
2076 ft · 51 sec · Terminal Drive
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28
Continue straight
1128 ft · 29 sec
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29
Turn right onto 11th Street
1.1 km · 2 min · 11th Street
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30
Turn left onto Court Street
793 ft · 25 sec · Court Street
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31
Turn right onto 9th Street
990 ft · 46 sec · 9th Street
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32
Turn right
35 m · 9 sec
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33
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Lake Mills and Sioux City.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 90 West
Merge slight left
93.2 mi · 01h 40m
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 Lake Mills and Partly Sunny then Chance Showers And Thunderstorms near Sioux City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lake Mills to Sioux City?
The road trip is about 193.1 miles (310.8 km) and usually takes 03h 27m 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?
Lake Park is a useful midpoint, sitting about 108.7 miles from Lake Mills and 84.4 miles from Sioux City.
How much longer is the road route than the straight-line distance?
The direct path is about 158.3 miles (254.7 km), while the road route adds roughly 34.8 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 10:06 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.68 one way or $51.36 round trip. Estimated CO2 is about 60.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Lake Mills and Partly Sunny then Chance Showers And Thunderstorms near Sioux City.
Flight Path Map
This map shows the direct air route between Lake Mills and Sioux City. Straight-line distance: 158.27 mi (254.71 km).
#1 Lake Mills
City in Iowa, USA
| Population | 1,987 |
| Coordinates | 43.4194000, -93.5332700 |
| Altitude | 393 |
| Country | United States |
#2 Sioux City
The second most populous city in Iowa.
| Population | 82,651 |
| Coordinates | 42.4999900, -96.4003100 |
| Altitude | 366 |
| Country | United States |
End: (-96.400135, 42.499991)
Estimated Travel Time
Distance: 311 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 26m |
| 40 mph (64.37 km/h) | 04h 49m |
| 50 mph (80.47 km/h) | 03h 51m |
| 60 mph (96.56 km/h) | 03h 13m |
| 70 mph (112.65 km/h) | 02h 45m |
| 80 mph (129 km/h) | 02h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $25.68 | $51.36 |
| Mid-grade | $4.25 | $28.96 | $57.93 |
| Premium | $4.65 | $31.69 | $63.39 |
| Diesel | $5.30 | $36.12 | $72.24 |
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 · Jun 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.