How far is Mount Ayr, IA from Waterloo, IA?

The driving distance from Mount Ayr, IA to Waterloo, IA is about 201.5 miles (324.3 km), with a travel time of about 03h 23m by car.

  • The straight-line flight distance is about 157 miles (252.7 km).
  • For a round trip, plan for roughly 06h 47m 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
201.52 mi
03h 23m
Flight
157 mi
252.66 km direct

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

Learn Distance

Choose another destination from Mount Ayr.

Flight Distance

Direct air line
157 mi
Kilometers
252.66 km
Flight Time
00h 18m

Driving Distance

Road route
201.52 mi
Kilometers
324.31 km
Drive Time
03h 23m

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 23m.

Arrival Snapshot
Arrive in Waterloo
Sun, May 3, 5:45 AM CDT
Return by in Mount Ayr
Sun, May 3, 9:08 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mount Ayr
2026-05-03T02:21
Arrive Waterloo
Sun, May 3, 5:45 AM CDT
Route Timing
03h 23m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:24 AM to 11:24 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
10:12 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Mount Ayr
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
Altoona
IA

City in Polk County, Iowa, United States

From Mount Ayr
100.7 mi
01h 41m
To Waterloo
100.8 mi
01h 41m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
44°F
Overnight

Partly Cloudy

Starts
Sun, May 3 1:00 AM CDT
Wind
13 mph SSW
Destination
70°F
Sunday

Slight Chance Rain Showers then Mostly Sunny

Starts
Sun, May 3 6:00 AM CDT
Wind
14 mph W

Driving Route Map

The map below follows the saved road route between Mount Ayr and Waterloo.

Turn-by-Turn Driving Directions

Step-by-step road directions between Mount Ayr and Waterloo.

  1. 1

    Start on East Madison Street

    581 ft · 28 sec · East Madison Street

  2. 2

    Turn right onto South Hayes Street

    1352 ft · 1 min · South Hayes Street

  3. 3

    Turn left onto East South Street

    2642 ft · 45 sec · East South Street

  4. 4

    Continue on State Highway 2

    20.6 mi · 30 min · State Highway 2

  5. 5

    Take the ramp left

    1576 ft · 38 sec

  6. 6

    Merge slight left

    73.1 mi · 1 hr 20 min

  7. 7

    Keep slight left

    4.5 mi · 5 min

  8. 8

    Take the exit slight right toward US 6 West, US 65 North, IA 330 North: Marshalltown, Bondurant

    2428 ft · 1 min

  9. 9

    Turn left onto Northeast Hubbell Avenue

    1.2 mi · 2 min · Northeast Hubbell Avenue

  10. 10

    Continue on Northeast Hubbell Road

    35.2 mi · 42 min · Northeast Hubbell Road

  11. 11

    Turn left onto Marsh Avenue

    5.9 mi · 8 min · Marsh Avenue

  12. 12

    Continue on South Main Street

    1.2 mi · 2 min · South Main Street

  13. 13

    Continue on 160th Street

    4.3 mi · 6 min · 160th Street

  14. 14

    Turn left onto Sanford Avenue

    15.9 mi · 22 min · Sanford Avenue

  15. 15

    Turn right onto 240th Street

    6.3 mi · 9 min · 240th Street

  16. 16

    Turn left onto M Avenue

    1.5 mi · 2 min · M Avenue

  17. 17

    Continue on County Road T37

    1 mi · 1 min · County Road T37

  18. 18

    Turn sharp right onto 210th Street

    1.6 km · 1 min · 210th Street

  19. 19

    Turn left onto N Avenue

    4.4 mi · 6 min · N Avenue

  20. 20

    Take the ramp right toward US 20 East: Waterloo

    2388 ft · 58 sec

  21. 21

    Merge slight left

    18 mi · 21 min

  22. 22

    Take the exit slight right toward US 63: Sergeant Road

    3054 ft · 1 min

  23. 23

    Turn slight right

    37 m · 6 sec

  24. 24

    Turn straight onto Sergeant Road

    3.8 mi · 6 min · Sergeant Road

  25. 25

    Turn right onto University Avenue

    118 m · 9 sec · University Avenue

  26. 26

    Turn straight

    1708 ft · 45 sec

  27. 27

    Turn right

    617 ft · 10 sec

  28. 28

    Continue on Washington Street

    1175 ft · 26 sec · Washington Street

  29. 29

    Turn right onto West 4th Street

    23 m · 2 sec · West 4th Street

  30. 30

    Arrive at your destination

    0 m · 1 sec · West 4th Street

Car Route Details

A richer read on the saved driving route between Mount Ayr and Waterloo.

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
30 steps
15 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
14.9 / 100 mi
Decision points by distance
Main Roads
State Highway 2
98.5 mi · 49%
Northeast Hubbell Road
35.2 mi · 17%
US 20 East
18.4 mi · 9%
Sanford Avenue
15.9 mi · 8%
240th Street
6.28 mi · 3%
Marsh Avenue
5.95 mi · 3%
Longest Stretch

State Highway 2

Merge slight left

73.1 mi · 01h 20m

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 23m
Long day trip
Same-Day Return
06h 48m
Round-trip wheel time
Road vs Air
+44.5 mi
157 mi direct line
Halfway Stop
Altoona
01h 41m from Mount Ayr
Leave By
10:12 AM CDT
Early departure recommended
Weather Watch

Partly Cloudy leaving Mount Ayr and Slight Chance Rain Showers then Mostly Sunny near Waterloo.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Mount Ayr to Waterloo?

The road trip is about 201.5 miles (324.3 km) and usually takes 03h 23m 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?

Altoona is a useful midpoint, sitting about 100.7 miles from Mount Ayr and 100.8 miles from Waterloo.

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

The direct path is about 157 miles (252.7 km), while the road route adds roughly 44.5 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 10:12 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $26.81 one way or $53.62 round trip. Estimated CO2 is about 63.2 kg one way.

What should you check before leaving?

Before you leave, expect Partly Cloudy around Mount Ayr and Slight Chance Rain Showers then Mostly Sunny near Waterloo.

Stop Ideas Near Altoona

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

Mid-route Guidance
Local place coverage is thin around Altoona, 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 Altoona.

RAIL

Osceola

72 mi away
Main & East Clay Streets
RAIL

Creston

99 mi away
Pine and Adams Avenue
RAIL

Ottumwa station

112 mi away
210 West Main Street

Flight Path Map

This map shows the direct air route between Mount Ayr and Waterloo. Straight-line distance: 157 mi (252.66 km).

Mount Ayr

#1 Mount Ayr

City in Ringgold County, Iowa, United States of America

Population1,601
Coordinates40.7147100, -94.2352300
Altitude372
CountryUnited States
Waterloo

#2 Waterloo

The most populous city in Black Hawk County, Iowa.

Population67,292
Coordinates42.4927600, -92.3429600
Altitude261
CountryUnited States
Start: East Madison Street (-94.23523, 40.714784)
End: West 4th Street (-92.342752, 42.492625)

Estimated Travel Time

Distance: 324 km by road

SpeedTime
30 mph (48.3 km/h)06h 42m
40 mph (64.37 km/h)05h 02m
50 mph (80.47 km/h)04h 01m
60 mph (96.56 km/h)03h 21m
70 mph (112.65 km/h)02h 52m
80 mph (129 km/h)02h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.11 gal
26.92 L · about $26.81
Round trip
$53.62
14.22 gal · 53.84 L
Estimated CO2
63.2 kg one way
Round trip: 126.4 kg / 279 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $26.81 $53.62
Mid-grade $4.25 $30.24 $60.48
Premium $4.65 $33.09 $66.18
Diesel $5.30 $37.71 $75.42

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 03, 2026

There is no time difference between Mount Ayr and Waterloo. The current time is 02:21:40.

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.