How far is Ames, IA from Postville, IA?

The driving distance from Ames, IA to Postville, IA is about 172.9 miles (278.3 km), with a travel time of about 03h 37m by car.

  • The straight-line flight distance is about 127.1 miles (204.6 km).
  • For a round trip, plan for roughly 07h 15m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
172.91 mi
03h 37m
Flight
127.14 mi
204.61 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Ames.

Flight Distance

Direct air line
127.14 mi
Kilometers
204.61 km
Flight Time
00h 15m

Driving Distance

Road route
172.91 mi
Kilometers
278.27 km
Drive Time
03h 37m

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 03h 37m.

Arrival Snapshot
Arrive in Postville
Thu, Apr 23, 3:11 AM CDT
Return by in Ames
Thu, Apr 23, 6:49 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Ames
2026-04-22T23:34
Arrive Postville
Thu, Apr 23, 3:11 AM CDT
Route Timing
03h 37m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:38 AM to 11:38 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:44 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Ames
9:00 PM CDT
Early departure recommended

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
Dike
IA

City in Iowa, United States

From Ames
86.4 mi
01h 48m
To Postville
86.6 mi
01h 48m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
6 to 15 mph SSE
Destination
76°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
5 to 12 mph SE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Ames and Postville.

  1. 1

    Start on 13th Street

    2.7 mi · 5 min · 13th Street

  2. 2

    Turn left onto I 35 North: Minneapolis

    28.6 mi · 31 min

  3. 3

    Take the exit slight right toward US 20 East: Waterloo

    2998 ft · 1 min

  4. 4

    Merge slight left

    53.9 mi · 1 hr 2 min

  5. 5

    Take the exit slight right toward CR D18: Cedar Falls

    2133 ft · 1 min

  6. 6

    Turn left onto Grundy Road

    1.6 km · 1 min · Grundy Road

  7. 7

    Continue on University Avenue

    3.5 mi · 5 min · University Avenue

  8. 8

    Enter the roundabout and take exit 1 toward Greenhill Road

    2 m · 1 sec · Greenhill Road

  9. 9

    Exit the roundabout onto Greenhill Road

    1.2 mi · 2 min · Greenhill Road

  10. 10

    Turn left onto Avenue of the Saints

    2.7 mi · 4 min · Avenue of the Saints

  11. 11

    Take the exit slight right toward US 218 South: Waterloo

    1.4 km · 2 min

  12. 12

    Merge slight left onto Leo P Rooff Expressway

    1.1 km · 48 sec · Leo P Rooff Expressway

  13. 13

    Take the exit slight right toward Broadway Street: Airport

    2340 ft · 1 min

  14. 14

    Turn left onto Airport Boulevard

    1496 ft · 36 sec · Airport Boulevard

  15. 15

    Turn right onto West Airline Highway

    3 mi · 5 min · West Airline Highway

  16. 16

    Turn left onto Logan Avenue

    6.9 mi · 8 min · Logan Avenue

  17. 17

    Continue on Larrabee Avenue

    22.8 mi · 26 min · Larrabee Avenue

  18. 18

    Take the exit slight right

    1912 ft · 57 sec

  19. 19

    At the end of the road, turn left onto 270th Street

    5.4 mi · 7 min · 270th Street

  20. 20

    Continue on West Main Street

    1.5 km · 1 min · West Main Street

  21. 21

    Continue on 270th Street

    5.5 mi · 8 min · 270th Street

  22. 22

    Continue on 230th Street

    13 mi · 18 min · 230th Street

  23. 23

    Continue on West Bradford Street

    1.3 mi · 2 min · West Bradford Street

  24. 24

    Continue on Harding Road

    16.9 mi · 23 min · Harding Road

  25. 25

    Turn left onto North Lawler Street

    12 m · 1 sec · North Lawler Street

  26. 26

    Arrive at your destination

    0 m · 1 sec · North Lawler Street

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
26 steps
10 turns on the saved route
Ramps & Exits
9
2 merges, 7 ramps or exits
Navigation Density
15 / 100 mi
Decision points by distance
Main Roads
US 20 East
54.5 mi · 32%
I 35 North
28.6 mi · 17%
Larrabee Avenue
23.1 mi · 13%
Harding Road
16.9 mi · 10%
230th Street
13 mi · 8%
270th Street
10.9 mi · 6%
Longest Stretch

US 20 East

Merge slight left

53.9 mi · 01h 02m

Route Summary

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

Trip Read

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.

Drive Time
03h 37m
Long day trip
Same-Day Return
07h 16m
Round-trip wheel time
Road vs Air
+45.8 mi
127.1 mi direct line
Halfway Stop
Dike
01h 48m from Ames
Leave By
9:44 AM CDT
Early departure recommended
Weather Watch

Sunny leaving Ames and Sunny near Postville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Ames to Postville?

The road trip is about 172.9 miles (278.3 km) and usually takes 03h 37m 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?

Dike is a useful midpoint, sitting about 86.4 miles from Ames and 86.6 miles from Postville.

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

The direct path is about 127.1 miles (204.6 km), while the road route adds roughly 45.8 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 9:44 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.00 one way or $46.01 round trip. Estimated CO2 is about 54.2 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Ames and Sunny near Postville.

Flight Path Map

This map shows the direct air route between Ames and Postville. Straight-line distance: 127.14 mi (204.61 km).

Ames

#1 Ames

The most populous city in Story County, Iowa.

Population67,033
Coordinates42.0347100, -93.6199400
Altitude287
CountryUnited States
Postville

#2 Postville

City in Iowa, United States of America

Population2,033
Coordinates43.0847000, -91.5682000
Altitude360
CountryUnited States
Start: Ames (-93.61994, 42.03471)
End: Postville (-91.5682, 43.0847)

Estimated Travel Time

Distance: 278 km by road

SpeedTime
30 mph (48.3 km/h)05h 45m
40 mph (64.37 km/h)04h 19m
50 mph (80.47 km/h)03h 27m
60 mph (96.56 km/h)02h 52m
70 mph (112.65 km/h)02h 28m
80 mph (129 km/h)02h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.1 gal
23.1 L · about $23.00
Round trip
$46.01
12.2 gal · 46.2 L
Estimated CO2
54.2 kg one way
Round trip: 108.4 kg / 239 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $23.00 $46.01
Mid-grade $4.25 $25.94 $51.89
Premium $4.65 $28.39 $56.78
Diesel $5.30 $32.35 $64.71

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 Postville. The current time is 23:34:05.

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.