How far is Ames, IA from Sioux City, IA?

The driving distance from Ames, IA to Sioux City, IA is about 178.7 miles (287.6 km), with a travel time of about 02h 50m by car.

  • The straight-line flight distance is about 145.7 miles (234.5 km).
  • For a round trip, plan for roughly 05h 40m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
178.71 mi
02h 50m
Flight
145.74 mi
234.55 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Ames.

Flight Distance

Direct air line
145.74 mi
Kilometers
234.55 km
Flight Time
00h 17m

Driving Distance

Road route
178.71 mi
Kilometers
287.6 km
Drive Time
02h 50m

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 02h 50m.

Arrival Snapshot
Arrive in Sioux City
Thu, Apr 23, 5:44 AM CDT
Return by in Ames
Thu, Apr 23, 8:34 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Ames
2026-04-23T02:54
Arrive Sioux City
Thu, Apr 23, 5:44 AM CDT
Route Timing
02h 50m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:50 AM to 12:50 PM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:50 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Ames
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Jolley
IA

Human settlement in Calhoun County, Iowa, United States of America

From Ames
89.2 mi
01h 25m
To Sioux City
89.5 mi
01h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Thursday

Showers And Thunderstorms Likely

Starts
Thu, Apr 23 6:00 AM CDT
Wind
20 to 25 mph S
Destination
81°F
Thursday

Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM CDT
Wind
20 mph SSW

Driving Route Map

The map below follows the saved road route between Ames and Sioux City.

Turn-by-Turn Driving Directions

Step-by-step road directions between Ames and Sioux City.

  1. 1

    Start on 13th Street

    2.7 mi · 5 min · 13th Street

  2. 2

    Turn left onto I 35 North: Minneapolis

    29 mi · 31 min

  3. 3

    Take the exit slight right toward US 20 West: Fort Dodge

    1664 ft · 57 sec

  4. 4

    Merge slight left

    145 mi · 2 hr 52 min

  5. 5

    Turn right onto South Fairmount Street

    3033 ft · 1 min · South Fairmount Street

  6. 6

    Continue on 6th Street

    1.5 km · 2 min · 6th Street

  7. 7

    Turn right onto Court Street

    1199 ft · 39 sec · Court Street

  8. 8

    Turn left onto 9th Street

    990 ft · 46 sec · 9th Street

  9. 9

    Turn right

    35 m · 9 sec

  10. 10

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Ames and Sioux City.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
10 steps
5 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
5.6 / 100 mi
Decision points by distance
Main Roads
US 20 West
145 mi · 81%
I 35 North
29 mi · 16%
13th Street
2.66 mi · 1%
6th Street
0.93 mi · 1%
South Fairmount Street
0.57 mi
Court Street
0.23 mi
Longest Stretch

US 20 West

Merge slight left

145 mi · 02h 52m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 50m
Day trip friendly
Same-Day Return
05h 40m
Round-trip wheel time
Road vs Air
+33 mi
145.7 mi direct line
Halfway Stop
Jolley
01h 25m from Ames
Leave By
12:50 PM CDT
Morning start is best
Weather Watch

Showers And Thunderstorms Likely leaving Ames and Chance Rain Showers near Sioux City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Ames to Sioux City?

The road trip is about 178.7 miles (287.6 km) and usually takes 02h 50m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Jolley is a useful midpoint, sitting about 89.2 miles from Ames and 89.5 miles from Sioux City.

How much longer is the road route than the straight-line distance?

The direct path is about 145.7 miles (234.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 12:50 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.80 one way or $47.59 round trip. Estimated CO2 is about 56.1 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Ames and Chance Rain Showers near Sioux City.

Flight Path Map

This map shows the direct air route between Ames and Sioux City. Straight-line distance: 145.74 mi (234.55 km).

Ames

#1 Ames

The most populous city in Story County, Iowa.

Population67,033
Coordinates42.0347100, -93.6199400
Altitude287
CountryUnited States
Sioux City

#2 Sioux City

The second most populous city in Iowa.

Population82,651
Coordinates42.4999900, -96.4003100
Altitude366
CountryUnited States
Start: 13th Street (-93.619967, 42.034517)
End: (-96.400135, 42.499991)

Estimated Travel Time

Distance: 288 km by road

SpeedTime
30 mph (48.3 km/h)05h 57m
40 mph (64.37 km/h)04h 28m
50 mph (80.47 km/h)03h 34m
60 mph (96.56 km/h)02h 58m
70 mph (112.65 km/h)02h 33m
80 mph (129 km/h)02h 13m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.31 gal
23.87 L · about $23.80
Round trip
$47.59
12.62 gal · 47.74 L
Estimated CO2
56.1 kg one way
Round trip: 112.2 kg / 247 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $23.80 $47.59
Mid-grade $4.25 $26.84 $53.67
Premium $4.65 $29.37 $58.73
Diesel $5.30 $33.47 $66.94

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 23, 2026

There is no time difference between Ames and Sioux City. The current time is 02:54:11.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.