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

The driving distance from Sioux City, IA to Ames, IA is about 178.1 miles (286.6 km), with a travel time of about 02h 49m by car.

  • The straight-line flight distance is about 145.7 miles (234.5 km).
  • For a round trip, plan for roughly 05h 38m 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
178.06 mi
02h 49m
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 Sioux City.

Flight Distance

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

Driving Distance

Road route
178.06 mi
Kilometers
286.56 km
Drive Time
02h 49m

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 49m.

Arrival Snapshot
Arrive in Ames
Sat, Apr 18, 1:11 AM CDT
Return by in Sioux City
Sat, Apr 18, 4:00 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sioux City
2026-04-17T22:22
Arrive Ames
Sat, Apr 18, 1:11 AM CDT
Route Timing
02h 49m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:49 AM to 12:49 PM CDT

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

Leave by
12:52 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sioux City
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 Sioux City
88.9 mi
01h 24m
To Ames
89.2 mi
01h 24m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Friday

Slight Chance Rain Showers

Starts
Fri, Apr 17 6:00 AM CDT
Wind
15 to 20 mph WSW
Destination
82°F
Friday

Partly Sunny then Showers And Thunderstorms Likely

Starts
Fri, Apr 17 6:00 AM CDT
Wind
10 to 20 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    35 m · 14 sec

  2. 2

    Turn left onto 9th Street

    990 ft · 46 sec · 9th Street

  3. 3

    Turn right onto Court Street

    767 ft · 27 sec · Court Street

  4. 4

    Turn left onto 7th Street

    122 m · 19 sec · 7th Street

  5. 5

    Turn right onto Iowa Street

    129 m · 24 sec · Iowa Street

  6. 6

    Turn left onto 6th Street

    1.4 km · 2 min · 6th Street

  7. 7

    Continue on Fairmount Street

    3030 ft · 1 min · Fairmount Street

  8. 8

    Turn left onto Gordon Drive

    3.4 mi · 7 min · Gordon Drive

  9. 9

    Continue on Highway 20

    39.4 mi · 47 min · Highway 20

  10. 10

    Continue on United States Highway 20

    8.3 mi · 10 min · United States Highway 20

  11. 11

    Continue on 220th Street

    93.4 mi · 1 hr 48 min · 220th Street

  12. 12

    Take the exit slight right toward I 35 South: Des Moines

    1.1 km · 1 min

  13. 13

    Merge slight left

    28.1 mi · 30 min

  14. 14

    Take the exit slight right toward I 35 Business: USDA Veterinary Labs

    2063 ft · 53 sec

  15. 15

    Turn right onto East 13th Street

    2.4 mi · 5 min · East 13th Street

  16. 16

    Arrive at your destination

    0 m · 1 sec · 13th Street

Car Route Details

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

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
16 steps
7 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
9 / 100 mi
Decision points by distance
Main Roads
220th Street
93.4 mi · 52%
Highway 20
39.4 mi · 22%
I 35 South
28.8 mi · 16%
United States Highway 20
8.31 mi · 5%
Gordon Drive
3.45 mi · 2%
East 13th Street
2.44 mi · 1%
Longest Stretch

220th Street

Continue on 220th Street

93.4 mi · 01h 48m

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 49m
Day trip friendly
Same-Day Return
05h 38m
Round-trip wheel time
Road vs Air
+32.4 mi
145.7 mi direct line
Halfway Stop
Jolley
01h 24m from Sioux City
Leave By
12:52 PM CDT
Morning start is best
Weather Watch

Slight Chance Rain Showers leaving Sioux City and Partly Sunny then Showers And Thunderstorms Likely near Ames.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 178.1 miles (286.6 km) and usually takes 02h 49m 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 88.9 miles from Sioux City and 89.2 miles from Ames.

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 32.4 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 12:52 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.68 one way or $47.36 round trip. Estimated CO2 is about 55.8 kg one way.

What should you check before leaving?

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

Flight Path Map

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

Sioux City

#1 Sioux City

The second most populous city in Iowa.

Population82,651
Coordinates42.4999900, -96.4003100
Altitude366
CountryUnited States
Ames

#2 Ames

The most populous city in Story County, Iowa.

Population67,033
Coordinates42.0347100, -93.6199400
Altitude287
CountryUnited States
Start: (-96.400135, 42.499991)
End: 13th Street (-93.619967, 42.034517)

Estimated Travel Time

Distance: 287 km by road

SpeedTime
30 mph (48.3 km/h)05h 55m
40 mph (64.37 km/h)04h 27m
50 mph (80.47 km/h)03h 33m
60 mph (96.56 km/h)02h 58m
70 mph (112.65 km/h)02h 32m
80 mph (129 km/h)02h 13m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.28 gal
23.78 L · about $23.68
Round trip
$47.36
12.56 gal · 47.56 L
Estimated CO2
55.8 kg one way
Round trip: 111.6 kg / 246 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $23.68 $47.36
Mid-grade $4.25 $26.71 $53.42
Premium $4.65 $29.23 $58.45
Diesel $5.30 $33.31 $66.62

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

There is no time difference between Sioux City and Ames. The current time is 22:22:03.

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.