How far is Sioux City, IA from Lake Mills, IA?
The driving distance from Sioux City, IA to Lake Mills, IA is about 217.3 miles (349.7 km), with a travel time of about 04h 16m by car.
- The straight-line flight distance is about 158.3 miles (254.7 km).
- For a round trip, plan for roughly 08h 33m 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 04h 16m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
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
Sunny
Driving Route Map
The map below follows the saved road route between Sioux City and Lake Mills.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sioux City and Lake Mills.
-
1
Start on the route
35 m · 14 sec
-
2
Turn left onto 9th Street
990 ft · 49 sec · 9th Street
-
3
Turn left onto Court Street
793 ft · 27 sec · Court Street
-
4
Turn right onto 11th Street
1.1 km · 2 min · 11th Street
-
5
Turn left
1128 ft · 28 sec
-
6
Continue on Terminal Drive
2076 ft · 53 sec · Terminal Drive
-
7
Turn right onto 18th Street
73 m · 9 sec · 18th Street
-
8
Turn left
3.3 mi · 5 min
-
9
Take the ramp straight
21 mi · 26 min
-
10
Continue on IA 60 North: Sheldon
59.1 mi · 1 hr 8 min
-
11
Continue straight
5.1 mi · 6 min
-
12
Continue straight
5.5 mi · 7 min
-
13
Enter the roundabout and take exit 2 toward the route
34 m · 7 sec
-
14
Exit the roundabout
1.2 km · 1 min
-
15
Enter the roundabout and take exit 2 toward Oxford Street
29 m · 5 sec
-
16
Exit the rotary
2635 ft · 53 sec
-
17
Enter the roundabout and take exit 2 toward I 90: Albert Lea
75 m · 14 sec
-
18
Exit the roundabout onto I 90: Albert Lea
93.6 mi · 1 hr 41 min
-
19
Take the exit slight right toward MN 22: Wells, Kiester
1207 ft · 32 sec
-
20
Turn right onto State Highway 22
1826 ft · 31 sec · State Highway 22
-
21
Continue on State Highway 22
1 mi · 1 min · State Highway 22
-
22
Continue on State Highway 22
7.6 mi · 10 min · State Highway 22
-
23
Continue on North 1st Street
3132 ft · 1 min · North 1st Street
-
24
Continue on State Highway 22
2.5 mi · 3 min · State Highway 22
-
25
Continue on 140th Avenue
1.1 mi · 2 min · 140th Avenue
-
26
Turn left onto 500th Street
4 mi · 5 min · 500th Street
-
27
Turn right onto 180th Avenue
1 mi · 1 min · 180th Avenue
-
28
Continue on Main Street
2647 ft · 53 sec · Main Street
-
29
Continue on 180th Avenue
3.6 mi · 5 min · 180th Avenue
-
30
Turn left
4.3 mi · 6 min
-
31
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Sioux City and Lake Mills.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 90
Exit the roundabout onto I 90: Albert Lea
93.6 mi · 01h 41m
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.
Partly Sunny then Chance Showers And Thunderstorms leaving Sioux City and Sunny near Lake Mills.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sioux City to Lake Mills?
The road trip is about 217.3 miles (349.7 km) and usually takes 04h 16m 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 108.5 miles from Sioux City and 108.7 miles from Lake Mills.
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 59 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 8:26 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.92 one way or $57.85 round trip. Estimated CO2 is about 68.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around Sioux City and Sunny near Lake Mills.
Flight Path Map
This map shows the direct air route between Sioux City and Lake Mills. Straight-line distance: 158.27 mi (254.71 km).
#1 Sioux City
The second most populous city in Iowa.
| Population | 82,651 |
| Coordinates | 42.4999900, -96.4003100 |
| Altitude | 366 |
| Country | United States |
#2 Lake Mills
City in Iowa, USA
| Population | 1,987 |
| Coordinates | 43.4194000, -93.5332700 |
| Altitude | 393 |
| Country | United States |
End: Lake Mills (-93.53327, 43.4194)
Estimated Travel Time
Distance: 350 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 14m |
| 40 mph (64.37 km/h) | 05h 25m |
| 50 mph (80.47 km/h) | 04h 20m |
| 60 mph (96.56 km/h) | 03h 37m |
| 70 mph (112.65 km/h) | 03h 06m |
| 80 mph (129 km/h) | 02h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.92 | $57.85 |
| Mid-grade | $4.25 | $32.62 | $65.24 |
| Premium | $4.65 | $35.70 | $71.39 |
| Diesel | $5.30 | $40.68 | $81.36 |
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.