Cedar Falls, IA to Sioux City, IA is 209 miles and takes about 4 hours 11 minutes via US 20, with a fuel budget near $37 and enough daylight to finish in a day. This trip stays within the Midwest, covering ground across Iowa. It's a straightforward, primarily highway drive, making it an efficient option if you need to get from point A to point B without much fuss. You'll find it's an easy route to navigate, especially if you're aiming for a single-day trip.
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
104.4 miles from Cedar Falls, IA
A natural place for your longest stop of the day
, about 2h 5m into the drive
.
Main Roads
Road
Distance
Duration
US 20
199.2 mi
3h 54m
University Avenue
5.3 mi
7m
Main Street
1 mi
1m
6th Street
0.9 mi
2m
Grundy Road
0.8 mi
1m
South Fairmount Street
0.6 mi
1m
Court Street
0.2 mi
<1m
9th Street
0.2 mi
<1m
Longest stretch:
US 20
— 199.2 mi, about 3h 54m
Turn-by-Turn Driving Directions
Step-by-step road directions between Cedar Falls, IA and Sioux City, IA.
1
Start on Main Street
52 ft·8 sec·Main Street
2
Continue on Main Street
61 ft·1 sec·Main Street
3
Enter roundabout onto Main Street
104 ft·2 sec·Main Street
4
Continue on Main Street
0.8 mi·1 min·Main Street
5
Enter roundabout onto Main Street
78 ft·1 sec·Main Street
6
Continue on Main Street
0.2 mi·21 sec·Main Street
7
Turn right onto University Avenue
1.7 mi·2 min·University Avenue
8
Enter roundabout onto University Avenue
124 ft·2 sec·University Avenue
9
Continue on University Avenue
3.5 mi·4 min·University Avenue
10
Continue on Grundy Road
0.8 mi·1 min·Grundy Road
11
Take the ramp
0.4 mi·54 sec
Use the right lane.
12
Merge onto US 20
199 mi·3 hr 54 min·US 20
Use the straight lane.
13
Turn right onto South Fairmount Street
0.6 mi·1 min·South Fairmount Street
Use the right lane.
14
Continue on 6th Street
0.9 mi·2 min·6th Street
15
Turn right onto Court Street
0.2 mi·39 sec·Court Street
16
Turn left onto 9th Street
0.2 mi·45 sec·9th Street
17
Turn right
115 ft·8 sec
18
Arrive at destination
Trip Plan
Given the 4-hour drive time, leaving Cedar Falls in the morning is ideal to allow for flexibility. With only one recommended stop and 95% highway driving, you can easily cover this distance in a single day. Plan to refuel before you leave Cedar Falls or midway through the 199.2-mile stretch on US 20, as services can be spread out. The estimated fuel cost of $37 is a good baseline for your budget, but always factor in potential price variations. This route is straightforward, so focus on enjoying the open road.
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 104.4 miles from Cedar Falls, IA, or about 2h 5m into the drive.
The longest continuous stretch on this route runs about 199.2 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 46 miles or 56m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 104.4 miles or 2h 5m 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 24m
Traffic, exits, and arrival timing usually matter more near Sioux City, IA than in the middle of the route.
Before You Leave
+
Open the route before leaving Cedar Falls, 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 Cedar Falls, IA
This is one driving day of about 208.7 miles and 4h 11m.
Your first comfortable stop window is around 46 miles from Cedar Falls, 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 US 20 for about 199.2 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 11
5 decision points cluster between mile 0 and 206.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0 mi into trip|~0m in|Main Street
Enter roundabout onto Main Street
Roundabout - know your exit number before entering
5
2.8 mi into trip|~4m in|University Avenue
Enter roundabout onto University Avenue
Roundabout - know your exit number before entering
5
7.1 mi into trip|~10m in
Take the ramp
Lane positioning matters here
Use the right lane.
5
7.5 mi into trip|~11m in|US 20
Merge onto US 20
Merge point - match speed before joining. Lane positioning matters here
Use the straight lane.
6
206.8 mi into trip|~4h 6m in|South Fairmount Street
Turn right onto South Fairmount Street
Lane positioning matters here
Use the right lane.
Fuel & Cost
Regular Gas
$30.82 one way
$61.64 round trip
$3.75/gal25.4 MPG avg73 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.14
$34.02
$68.05
premium
$4.72
$38.75
$77.50
diesel
$4.80
$39.41
$78.81
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$31
Meals
$25–$50
Total
$56–$81
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 73 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $22 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
62.6
0
$21.91
$10.02
Efficient EV
52.2
0
$18.26
$8.35
EV Truck/SUV
83.5
1
$29.22
$13.36
Gas CO2
73 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 Jul 14, 2026
Origin
Cedar Falls, IA
Late night
in Cedar Falls on Sunday
Local time
2:00 AM
CDT
Current temp
92°F
Sunny
WNW 3 mph0% chanceLive forecast
Flood Watch
Flood Watch issued July 14 at 9:31AM CDT until July 17 at 12:00AM CDT by NWS Quad Cities IA IL
Heat Advisory
Heat Advisory issued July 14 at 3:20AM CDT until July 15 at 8:00PM CDT by NWS La Crosse WI
Destination
Sioux City, IA
Late night
in Sioux City on Sunday
Local time
2:00 AM
CDT
Current temp
92°F
Sunny
S 5 to 10 mph0% chanceLive forecast
Flood Watch
Flood Watch issued July 14 at 9:31AM CDT until July 17 at 12:00AM CDT by NWS Quad Cities IA IL
Heat Advisory
Heat Advisory issued July 14 at 3:20AM CDT until July 15 at 8:00PM CDT by NWS La Crosse WI
63°F
Somers, IA
104 mi in
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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
4h 11m 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?
This drive is predominantly highway, with 95% of the 208.7 miles on major roads. You'll experience a long stretch of 199.2 miles on US 20, meaning you can settle in for extended cruising. The transition to surface streets like University Avenue and Main Street will likely occur closer to your destination in Sioux City. Expect a consistent flow of traffic typical for a US highway.
95% highway — fuel and pacing are the main things to plan.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 199.2 mi on US 20.
How Hard Is This Drive?
3/10
This is a straightforward highway drive that stays mostly on US 20 and University Avenue. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near Main Street.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 11m drive. You will face about 11 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (Main Street): Roundabout - know your exit number before entering; at 2.8 miles (University Avenue): Roundabout - know your exit number before entering; at 7.1 miles: Lane positioning matters here.
Cedar Falls is home to University of Northern Iowa, the third-largest public university in the state of Iowa. It is part of a larger metropolitan area that also includes the cities of Waterloo, Hudson, Evansdale, Elk Run Heights, and Raymond. The Cedar River bisects the community from west to east.
Top landmarks
•Cotton Theatre — theater in Cedar Falls, Iowa, United States
•Cedar Falls Downtown Historic District — nationally recognized historic district located in Cedar Falls, Iowa, United Sta...
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.
Top landmarks
•Sergeant Floyd — museum boat in Sioux City, Iowa, United States
•Woodbury County Courthouse — county courthouse in Sioux City, United States of America
•St. Boniface Catholic Church — church building in Sioux City, United States of America
The longest stretch is about 199.2 miles on US 20. The full list of main roads is in the Roads section above.
Yes — we found about 5 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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 (Main Street): Roundabout - know your exit number before entering; at 2.8 miles (University Avenue): Roundabout - know your exit number before entering; at 7.1 miles: Lane positioning matters here.
Possible but tiring. At 4.2 hours each way, an in-and-out day trip would put you behind the wheel for 8.4 hours — manageable with a long break at Sioux City, IA, but most travelers stay overnight.
