How far is Onawa, IA from West Des Moines, IA?

The driving distance from Onawa, IA to West Des Moines, IA is about 158.6 miles (255.3 km), with a travel time of about 02h 29m by car.

  • The straight-line flight distance is about 126.8 miles (204 km).
  • For a round trip, plan for roughly 04h 58m 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
158.64 mi
02h 29m
Flight
126.75 mi
203.98 km direct

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

Learn Distance

Choose another destination from Onawa.

Flight Distance

Direct air line
126.75 mi
Kilometers
203.98 km
Flight Time
00h 15m

Driving Distance

Road route
158.64 mi
Kilometers
255.31 km
Drive Time
02h 29m

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 29m.

Arrival Snapshot
Arrive in West Des Moines
Wed, May 13, 12:42 AM CDT
Return by in Onawa
Wed, May 13, 3:12 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Onawa
2026-05-12T22:13
Arrive West Des Moines
Wed, May 13, 12:42 AM CDT
Route Timing
02h 29m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:29 AM to 12:29 PM CDT

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

Leave by
1:32 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Onawa
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
Walnut
IA

Town in Iowa

From Onawa
79.9 mi
01h 14m
To West Des Moines
78.7 mi
01h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
13 to 24 mph W
Destination
82°F
Tuesday

Chance Showers And Thunderstorms

Starts
Tue, May 12 6:00 AM CDT
Wind
16 to 21 mph WSW

Driving Route Map

The map below follows the saved road route between Onawa and West Des Moines.

Turn-by-Turn Driving Directions

Step-by-step road directions between Onawa and West Des Moines.

  1. 1

    Start on 10th Street

    9 m · 8 sec · 10th Street

  2. 2

    Turn left onto Iowa Avenue

    1 mi · 2 min · Iowa Avenue

  3. 3

    Continue on State Highway 175

    1.6 km · 2 min · State Highway 175

  4. 4

    Take the ramp left

    2024 ft · 50 sec

  5. 5

    Merge slight left

    40.5 mi · 43 min

  6. 6

    Take the exit slight right toward I 880 East: Des Moines

    1.2 km · 2 min

  7. 7

    Continue straight

    16 mi · 17 min

  8. 8

    Keep slight left to continue on I 80 East: Des Moines

    1.1 km · 44 sec

  9. 9

    Merge slight right

    94.9 mi · 1 hr 42 min

  10. 10

    Keep slight left to continue on John MacVicar Freeway

    3.3 mi · 4 min · John MacVicar Freeway

  11. 11

    Take the exit slight right toward Windsor Heights, West Des Moines

    2657 ft · 1 min

  12. 12

    Turn right onto 8th Street

    1 mi · 2 min · 8th Street

  13. 13

    Turn left onto Vine Street

    143 m · 13 sec · Vine Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Vine Street

Car Route Details

A richer read on the saved driving route between Onawa and West Des Moines.

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
14 steps
3 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
8.8 / 100 mi
Decision points by distance
Main Roads
I 80 East
95.6 mi · 60%
State Highway 175
41.8 mi · 26%
I 880 East
16.8 mi · 11%
John MacVicar Freeway
3.32 mi · 2%
Iowa Avenue
1.01 mi · 1%
8th Street
1 mi · 1%
Longest Stretch

I 80 East

Merge slight right

94.9 mi · 01h 42m

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 29m
Day trip friendly
Same-Day Return
04h 58m
Round-trip wheel time
Road vs Air
+31.8 mi
126.8 mi direct line
Halfway Stop
Walnut
01h 14m from Onawa
Leave By
1:32 PM CDT
Morning start is best
Weather Watch

Mostly Sunny leaving Onawa and Chance Showers And Thunderstorms near West Des Moines.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Onawa to West Des Moines?

The road trip is about 158.6 miles (255.3 km) and usually takes 02h 29m 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?

Walnut is a useful midpoint, sitting about 79.9 miles from Onawa and 78.7 miles from West Des Moines.

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

The direct path is about 126.8 miles (204 km), while the road route adds roughly 31.8 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:32 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $21.12 one way or $42.24 round trip. Estimated CO2 is about 49.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Onawa and Chance Showers And Thunderstorms near West Des Moines.

Stop Ideas Near Walnut

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Walnut, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Walnut.

RAIL

Omaha

64 mi away
1003 S. 9th Street
RAIL

Creston

86 mi away
Pine and Adams Avenue

Flight Path Map

This map shows the direct air route between Onawa and West Des Moines. Straight-line distance: 126.75 mi (203.98 km).

Onawa

#1 Onawa

City in Iowa

Population2,766
Coordinates42.0266500, -96.0972400
Altitude320
CountryUnited States
West Des Moines

#2 West Des Moines

The most populous city in Dallas County, Iowa.

Population69,057
Coordinates41.5772100, -93.7113300
Altitude252
CountryUnited States
Start: 10th Street (-96.097283, 42.026651)
End: Vine Street (-93.71133, 41.577301)

Estimated Travel Time

Distance: 255 km by road

SpeedTime
30 mph (48.3 km/h)05h 17m
40 mph (64.37 km/h)03h 57m
50 mph (80.47 km/h)03h 10m
60 mph (96.56 km/h)02h 38m
70 mph (112.65 km/h)02h 15m
80 mph (129 km/h)01h 58m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.6 gal
21.19 L · about $21.12
Round trip
$42.24
11.2 gal · 42.38 L
Estimated CO2
49.8 kg one way
Round trip: 99.5 kg / 219 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $21.12 $42.24
Mid-grade $4.25 $23.82 $47.63
Premium $4.65 $26.06 $52.12
Diesel $5.30 $29.70 $59.40

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 · May 13, 2026

There is no time difference between Onawa and West Des Moines. The current time is 22:13:30.

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.