This 206-mile trip from Sioux City, IA to Mason City, IA is a straightforward journey across the Midwest, easily manageable in about 4 hours and 6 minutes. It's perfectly suited for a single-day drive, so you won't need to worry about booking an overnight stay. With an estimated fuel cost of $32, this route offers an economical way to travel between two points within Iowa. The drive primarily utilizes Highway 20 and Interstate 35, offering a consistent pace for most of the journey. You'll find this trip to be a practical and efficient way to connect these two regional hubs.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
103 miles from Sioux City, IA
A natural place for your longest stop of the day
, about 2h 6m into the drive
.
Main Roads
Road
Distance
Duration
220th Street
93.8 mi
1h 48m
I 35
47.4 mi
50m
Highway 20
39.4 mi
47m
United States Highway 20
8.3 mi
10m
US 18
3.6 mi
4m
Gordon Drive
3.4 mi
6m
19th Street Southwest
2.5 mi
4m
Mallard Avenue
1.5 mi
2m
Longest stretch:
220th Street
— 93.8 mi, about 1h 48m
Turn-by-Turn Driving Directions
Step-by-step road directions between Sioux City, IA and Mason City, IA.
1
Start on this road
115 ft·13 sec·this road
2
Turn left onto 9th Street
0.2 mi·45 sec·9th Street
3
Turn right onto Court Street
0.1 mi·26 sec·Court Street
4
Turn left onto 7th Street
399 ft·19 sec·7th Street
5
Turn right onto Iowa Street
423 ft·23 sec·Iowa Street
6
Turn left onto 6th Street
0.8 mi·1 min·6th Street
7
Continue on Fairmount Street
0.6 mi·1 min·Fairmount Street
Use the left / straight lanes.
8
Turn left onto US 20 Business
3.4 mi·6 min·Gordon Drive
Use the left lane.
9
Continue on US 20
39 mi·47 min·Highway 20
Use the right lane.
10
Continue on US 20
8.3 mi·10 min·United States Highway 20
11
Continue on US 20
94 mi·1 hr 48 min·220th Street
12
Take the exit
0.3 mi·56 sec
Toward I 35 North: Mason CityUse the slight right lane.
13
Merge onto I 35
47 mi·50 min·I 35
14
Take the exit
1.0 mi·1 min
Toward US 18 East, IA 27 South: Mason City, Charles City
15
Merge onto US 18; IA 27
3.6 mi·4 min·US 18; IA 27
16
Take the exit
0.4 mi·52 sec
Toward Airport
17
Turn left onto Mallard Avenue
1.5 mi·2 min·Mallard Avenue
18
Continue on South Eisenhower Avenue
0.5 mi·44 sec·South Eisenhower Avenue
19
Turn right onto 19th Street Southwest
2.5 mi·4 min·19th Street Southwest
20
Turn left onto South Monroe Avenue
1.3 mi·2 min·South Monroe Avenue
21
Turn right onto 1st Street Northwest
0.4 mi·47 sec·1st Street Northwest
22
Turn left onto North Federal Avenue
328 ft·16 sec·North Federal Avenue
23
Turn right onto 2nd Street Northeast
24 ft·1 sec·2nd Street Northeast
24
Arrive at destination
2nd Street Northeast
Trip Plan
Given the manageable 4-hour duration, this route works well as a single-day trip, giving you flexibility in your departure time. Aim to leave in the morning to maximize daylight hours and allow for at least one planned stop to stretch your legs, especially considering the longest uninterrupted stretch is nearly 94 miles. With a fuel cost around $32, keeping an eye on your fuel gauge is always a good idea, though you'll likely only need one fill-up, if any, depending on your vehicle. A practical tip for this route is to be mindful of the transition onto 220th Street; familiarize yourself with its conditions beforehand if you're not used to rural roads.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 103 miles from Sioux City, IA, or about 2h 6m into the drive.
The longest continuous stretch on this route runs about 93.8 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 45 miles or 59m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 103 miles or 2h 6m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 21m
Traffic, exits, and arrival timing usually matter more near Mason City, IA than in the middle of the route.
Before You Leave
+
Open the route before leaving Sioux City, IA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Sioux City, IA
This is one driving day of about 206 miles and 4h 6m.
Your first comfortable stop window is around 45 miles from Sioux City, IA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on 220th Street for about 93.8 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 17
5 decision points cluster between mile 0 and 206 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0 mi into trip|~0m in|9th Street
Turn left onto 9th Street
Navigation decision point
5
0.2 mi into trip|~1m in|Court Street
Turn right onto Court Street
Navigation decision point
6
147 mi into trip|~2h 57m in
Take the exit toward I 35 North: Mason City
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Toward I 35 North: Mason City
5
194.7 mi into trip|~3h 49m in
Take the exit toward US 18 East, IA 27 South: Mason City, Charles City
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 18 East, IA 27 South: Mason City, Cha...
5
206 mi into trip|~4h 6m in|2nd Street Northeast
Turn right onto 2nd Street Northeast
Navigation decision point
Fuel & Cost
Regular Gas
$32.21 one way
$64.41 round trip
$3.97/gal25.4 MPG avg72 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$35.36
$70.72
premium
$4.89
$39.64
$79.29
diesel
$5.61
$45.48
$90.96
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$32
Meals
$25–$50
Total
$57–$82
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 72.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $22 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
61.8
0
$21.63
$9.89
Efficient EV
51.5
0
$18.03
$8.24
EV Truck/SUV
82.4
1
$28.84
$13.18
Gas CO2
72 kg
EV CO2
24 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 16, 2026
Origin
Sioux City, IA
Morning
in Sioux City on Sunday
Local time
10:00 AM
CDT
Current temp
49°F
Unavailable
Live forecast
Destination
Mason City, IA
Morning
in Mason City on Sunday
Local time
10:00 AM
CDT
Current temp
76°F
Sunny
S 9 to 14 mph0% chanceLive forecast
Red Flag Warning
Red Flag Warning issued April 16 at 12:02PM CDT until April 16 at 8:00PM CDT by NWS Sioux Falls SD
Flood Warning
Flood Warning issued April 16 at 11:30AM CDT by NWS Quad Cities IA IL
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
27 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 6m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
The character of this drive is a mixed bag, with 48% of the journey on highways, offering periods of faster travel. You'll experience a significant stretch of 93.8 miles on 220th Street, which likely means navigating more local roads and potentially a different pace compared to interstate driving. The overall profile suggests a dynamic driving experience, shifting between the efficiency of major highways and the more grounded feel of county roads like 220th Street. This blend ensures you're not stuck in a monotonous interstate grind for the entire 4 hours and 6 minutes.
48% highway, the rest on surface roads — varied driving throughout.
24 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 93.8 mi on 220th Street.
How Hard Is This Drive?
5/10
This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 17 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near 9th Street.
Driving Effort5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 206 miles you will encounter 17 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (9th Street): Navigation decision point; at 0.2 miles (Court Street): Navigation decision point; at 147 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Sioux City, IA to Mason City, IA, road signs begin pointing toward Charles City along the way.
Sioux City is on the western edge of the state of Iowa. It is on the Missouri River and many parts of Sioux City are among the unique Loess Hills formations.
Mason City is a city in Iowa, renowned for its collection of architecture by Frank Lloyd Wright and other Prairie School architects, considered the most significant concentration of such architecture outside of Oak Park, Illinois.
Doable as a same-day drive at 4h 6m. Total distance: 206 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 6m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (48%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 93.8 miles on 220th Street. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
The main spots that need attention: near the start (9th Street): Navigation decision point; at 0.2 miles (Court Street): Navigation decision point; at 147 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Possible but tiring. At 4.1 hours each way, an in-and-out day trip would put you behind the wheel for 8.2 hours — manageable with a long break at Mason City, IA, but most travelers stay overnight.
