How far is Sioux City, IA from Mount Vernon, IA?
The driving distance from Sioux City, IA to Mount Vernon, IA is about 281.6 miles (453.2 km), with a travel time of about 05h 33m by car.
- The straight-line flight distance is about 258.1 miles (415.4 km).
- For a round trip, plan for roughly 11h 06m 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 33m.
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.
Township in Hamilton County, Iowa
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Sioux City and Mount Vernon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sioux City and Mount Vernon.
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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
48.5 mi · 54 min · Avenue of the Saints
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13
Take the exit slight right
722 ft · 18 sec
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14
Keep slight left to continue on US 30 East, US 151 North: Mount Vernon
1 km · 1 min
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15
Keep slight left to continue on US 30 East, US 151 North: Mount Vernon
1306 ft · 32 sec
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16
Merge slight left
11.8 mi · 14 min
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17
Take the exit slight right toward IA 1: Mount Vernon, Iowa City
1559 ft · 46 sec
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18
Turn left onto State Highway 1
2479 ft · 41 sec · State Highway 1
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19
Enter the roundabout and take exit 2 toward State Highway 1
40 m · 6 sec · State Highway 1
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20
Exit the roundabout onto State Highway 1
666 ft · 19 sec · State Highway 1
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21
Continue on 1st Avenue South
2046 ft · 39 sec · 1st Avenue South
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22
Turn right onto 1st Street East
70 m · 9 sec · 1st Street East
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23
Turn right
20 m · 6 sec
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24
Turn right
23 m · 6 sec
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25
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Sioux City and Mount Vernon.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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.
Sunny leaving Sioux City and Sunny near Mount Vernon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sioux City to Mount Vernon?
The road trip is about 281.6 miles (453.2 km) and usually takes 05h 33m 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?
Blairsburg is a useful midpoint, sitting about 140.5 miles from Sioux City and 141.1 miles from Mount Vernon.
How much longer is the road route than the straight-line distance?
The direct path is about 258.1 miles (415.4 km), while the road route adds roughly 23.5 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 5:54 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.48 one way or $74.97 round trip. Estimated CO2 is about 88.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Sioux City and Sunny near Mount Vernon.
Flight Path Map
This map shows the direct air route between Sioux City and Mount Vernon. Straight-line distance: 258.1 mi (415.37 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 Mount Vernon
City in Linn County, Iowa
| Population | 4,528 |
| Coordinates | 41.9219500, -91.4168400 |
| Altitude | 268 |
| Country | United States |
End: Mount Vernon (-91.41684, 41.92195)
Estimated Travel Time
Distance: 453 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 23m |
| 40 mph (64.37 km/h) | 07h 02m |
| 50 mph (80.47 km/h) | 05h 37m |
| 60 mph (96.56 km/h) | 04h 41m |
| 70 mph (112.65 km/h) | 04h 01m |
| 80 mph (129 km/h) | 03h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $37.48 | $74.97 |
| Mid-grade | $4.25 | $42.27 | $84.55 |
| Premium | $4.65 | $46.26 | $92.52 |
| Diesel | $5.30 | $52.72 | $105.44 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.