How far is Mount Vernon, IA from Sioux City, IA?
The driving distance from Mount Vernon, IA to Sioux City, IA is about 281.4 miles (452.8 km), with a travel time of about 04h 26m by car.
- The straight-line flight distance is about 258.1 miles (415.4 km).
- For a round trip, plan for roughly 08h 52m 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 26m.
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.
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 Mount Vernon and Sioux City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Vernon and Sioux City.
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1
Start on the route
23 m · 10 sec
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2
Turn left
20 m · 11 sec
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3
Turn left onto 1st Street East
70 m · 14 sec · 1st Street East
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4
Turn left onto 1st Avenue South
2046 ft · 35 sec · 1st Avenue South
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5
Continue on State Highway 1
690 ft · 20 sec · State Highway 1
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6
Enter the roundabout and take exit 2 toward State Highway 1
37 m · 6 sec · State Highway 1
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7
Exit the roundabout onto State Highway 1
1769 ft · 30 sec · State Highway 1
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8
Take the ramp right toward US 30 west: Cedar Rapids
12.2 mi · 14 min
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9
Take the exit slight right toward I 380 North, IA 27 North: Cedar Rapids
1.1 km · 1 min
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10
Merge slight left onto Avenue of the Saints
54.5 mi · 1 hr 1 min · Avenue of the Saints
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11
Keep slight left to continue on Avenue of the Saints
160.2 mi · 3 hr 5 min · Avenue of the Saints
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12
Continue on 160th Street
6.4 mi · 7 min · 160th Street
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13
Continue on United States Highway 20
1.9 mi · 3 min · United States Highway 20
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14
Continue on Highway 20
42.9 mi · 53 min · Highway 20
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15
Turn right onto South Fairmount Street
3033 ft · 1 min · South Fairmount Street
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16
Continue on 6th Street
1.5 km · 2 min · 6th Street
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17
Turn right onto Court Street
1199 ft · 39 sec · Court Street
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18
Turn left onto 9th Street
990 ft · 46 sec · 9th Street
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19
Turn right
35 m · 9 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mount Vernon and Sioux City.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Avenue of the Saints
Keep slight left to continue on Avenue of the Saints
160 mi · 03h 05m
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 Mount Vernon and Sunny near Sioux City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Vernon to Sioux City?
The road trip is about 281.4 miles (452.8 km) and usually takes 04h 26m 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 Mount Vernon and 140.9 miles from Sioux City.
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 23.3 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 8:08 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.45 one way or $74.89 round trip. Estimated CO2 is about 88.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mount Vernon and Sunny near Sioux City.
Flight Path Map
This map shows the direct air route between Mount Vernon and Sioux City. Straight-line distance: 258.1 mi (415.37 km).
#1 Mount Vernon
City in Linn County, Iowa
| Population | 4,528 |
| Coordinates | 41.9219500, -91.4168400 |
| Altitude | 268 |
| Country | United States |
#2 Sioux City
The second most populous city in Iowa.
| Population | 82,651 |
| Coordinates | 42.4999900, -96.4003100 |
| Altitude | 366 |
| Country | United States |
End: (-96.400135, 42.499991)
Estimated Travel Time
Distance: 453 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 22m |
| 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 | $37.45 | $74.89 |
| Mid-grade | $4.25 | $42.23 | $84.46 |
| Premium | $4.65 | $46.21 | $92.43 |
| Diesel | $5.30 | $52.67 | $105.34 |
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.