How far is Sioux City, IA from Fairfax, IA?
The driving distance from Sioux City, IA to Fairfax, IA is about 272.7 miles (438.8 km), with a travel time of about 05h 24m by car.
- The straight-line flight distance is about 239.7 miles (385.8 km).
- For a round trip, plan for roughly 10h 48m 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 24m.
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.
Slight Chance Snow Showers
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Sioux City and Fairfax.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sioux City and Fairfax.
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1
Start on the route
35 m · 14 sec
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2
Turn left onto 9th Street
990 ft · 46 sec · 9th Street
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3
Turn right onto Court Street
767 ft · 27 sec · Court Street
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4
Turn left onto 7th Street
122 m · 19 sec · 7th Street
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5
Turn right onto Iowa Street
129 m · 24 sec · Iowa Street
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6
Turn left onto 6th Street
1.4 km · 2 min · 6th Street
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7
Continue on Fairmount Street
3030 ft · 1 min · Fairmount Street
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8
Turn left onto Gordon Drive
3.4 mi · 7 min · Gordon Drive
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9
Continue on Highway 20
39.4 mi · 47 min · Highway 20
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10
Continue on United States Highway 20
8.3 mi · 10 min · United States Highway 20
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11
Continue on 220th Street
165.9 mi · 3 hr 11 min · 220th Street
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12
Keep slight right to continue on Avenue of the Saints
40.7 mi · 44 min · Avenue of the Saints
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13
Take the exit slight right toward IA 100
1286 ft · 31 sec
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14
Keep slight left
802 ft · 20 sec
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15
Keep slight right to continue on IA 100
1460 ft · 28 sec
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16
Keep slight right to continue on IA 100 West
1534 ft · 38 sec
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17
Merge slight left onto Collins Road Northeast
8.8 mi · 10 min · Collins Road Northeast
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18
Keep slight right to continue on Fairfax
1481 ft · 38 sec
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19
Turn right onto 80th Street Southwest
1.8 mi · 4 min · 80th Street Southwest
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20
Turn right onto Williams Boulevard
1.4 km · 1 min · Williams Boulevard
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21
Turn left onto Losey Avenue
14 m · 3 sec · Losey Avenue
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22
Continue on Losey Avenue
1166 ft · 53 sec · Losey Avenue
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23
At the end of the road, turn right onto Vanderbilt Street
151 m · 22 sec · Vanderbilt Street
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24
Arrive at your destination
0 m · 1 sec · Vanderbilt Street
Car Route Details
A richer read on the saved driving route between Sioux City and Fairfax.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
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.
Slight Chance Snow Showers leaving Sioux City and Chance Showers And Thunderstorms near Fairfax.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sioux City to Fairfax?
The road trip is about 272.7 miles (438.8 km) and usually takes 05h 24m 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 136 miles from Sioux City and 136.6 miles from Fairfax.
How much longer is the road route than the straight-line distance?
The direct path is about 239.7 miles (385.8 km), while the road route adds roughly 33 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 6:12 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.28 one way or $72.55 round trip. Estimated CO2 is about 85.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Snow Showers around Sioux City and Chance Showers And Thunderstorms near Fairfax.
Flight Path Map
This map shows the direct air route between Sioux City and Fairfax. Straight-line distance: 239.75 mi (385.84 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 Fairfax
City in Iowa, United States
| Population | 2,934 |
| Coordinates | 41.9194500, -91.7810100 |
| Altitude | 236 |
| Country | United States |
End: Fairfax (-91.78101, 41.91945)
Estimated Travel Time
Distance: 439 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 05m |
| 40 mph (64.37 km/h) | 06h 49m |
| 50 mph (80.47 km/h) | 05h 27m |
| 60 mph (96.56 km/h) | 04h 32m |
| 70 mph (112.65 km/h) | 03h 53m |
| 80 mph (129 km/h) | 03h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $36.28 | $72.55 |
| Mid-grade | $4.25 | $40.91 | $81.83 |
| Premium | $4.65 | $44.77 | $89.54 |
| Diesel | $5.30 | $51.02 | $102.05 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.