How far is Waterloo, IA from Alton, IA?

The driving distance from Waterloo, IA to Alton, IA is about 226.7 miles (364.8 km), with a travel time of about 04h 36m by car.

  • The straight-line flight distance is about 189.2 miles (304.5 km).
  • For a round trip, plan for roughly 09h 12m 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
226.67 mi
04h 36m
Flight
189.21 mi
304.5 km direct

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

Learn Distance

Choose another destination from Waterloo.

Flight Distance

Direct air line
189.21 mi
Kilometers
304.5 km
Flight Time
00h 22m

Driving Distance

Road route
226.67 mi
Kilometers
364.79 km
Drive Time
04h 36m

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 04h 36m.

Arrival Snapshot
Arrive in Alton
Wed, Apr 15, 3:35 AM CDT
Return by in Waterloo
Wed, Apr 15, 8:11 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Waterloo
2026-04-14T22:58
Arrive Alton
Wed, Apr 15, 3:35 AM CDT
Route Timing
04h 36m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:36 AM to 12:36 PM CDT

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

Leave by
7:48 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Waterloo
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
Knierim
IA

City in Iowa, United States

From Waterloo
113.1 mi
02h 18m
To Alton
113.6 mi
02h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Tuesday

Showers And Thunderstorms Likely

Starts
Tue, Apr 14 1:00 AM CDT
Wind
12 to 15 mph SW
Destination
74°F
Tuesday

Slight Chance Showers And Thunderstorms

Starts
Tue, Apr 14 1:00 AM CDT
Wind
10 to 15 mph SSE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Waterloo and Alton.

  1. 1

    Start on West 4th Street

    23 m · 6 sec · West 4th Street

  2. 2

    Turn right onto Washington Street

    117 m · 10 sec · Washington Street

  3. 3

    Turn right onto West 5th Street

    1622 ft · 34 sec · West 5th Street

  4. 4

    Continue on West 4th Street

    2.4 mi · 4 min · West 4th Street

  5. 5

    Turn slight right onto West Ridgeway Avenue

    3073 ft · 1 min · West Ridgeway Avenue

  6. 6

    Turn left onto Sergeant Road

    1.3 km · 1 min · Sergeant Road

  7. 7

    Take the ramp left

    1428 ft · 36 sec

  8. 8

    Merge slight left onto Avenue of the Saints

    155.2 mi · 2 hr 59 min · Avenue of the Saints

  9. 9

    Continue on 160th Street

    6.4 mi · 7 min · 160th Street

  10. 10

    Continue on United States Highway 20

    1.9 mi · 3 min · United States Highway 20

  11. 11

    Continue on Highway 20

    19 mi · 23 min · Highway 20

  12. 12

    Turn right onto Lee Avenue

    5.4 mi · 7 min · Lee Avenue

  13. 13

    Continue on Shamrock Avenue

    2 mi · 3 min · Shamrock Avenue

  14. 14

    Turn left onto 320th Street

    2 mi · 3 min · 320th Street

  15. 15

    Turn right onto State Highway 140

    15.1 mi · 21 min · State Highway 140

  16. 16

    Continue on County Road L14

    7 mi · 10 min · County Road L14

  17. 17

    Continue on Kiwi Avenue

    5 mi · 7 min · Kiwi Avenue

  18. 18

    At the end of the road, turn left onto 460th Street

    1.8 mi · 2 min · 460th Street

  19. 19

    Continue on State Highway 10

    1388 ft · 27 sec · State Highway 10

  20. 20

    Turn left onto East Division Street

    1.4 km · 2 min · East Division Street

  21. 21

    Turn right onto 3rd Avenue

    1794 ft · 41 sec · 3rd Avenue

  22. 22

    Turn left onto West 10th Street

    48 m · 9 sec · West 10th Street

  23. 23

    Turn right

    34 m · 8 sec

  24. 24

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
24 steps
12 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
10.6 / 100 mi
Decision points by distance
Main Roads
Avenue of the Saints
155 mi · 68%
Highway 20
19 mi · 8%
State Highway 140
15.1 mi · 7%
County Road L14
7.02 mi · 3%
160th Street
6.44 mi · 3%
Lee Avenue
5.4 mi · 2%
Longest Stretch

Avenue of the Saints

Merge slight left onto Avenue of the Saints

155 mi · 02h 59m

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
04h 36m
Long day trip
Same-Day Return
09h 12m
Round-trip wheel time
Road vs Air
+37.5 mi
189.2 mi direct line
Halfway Stop
Knierim
02h 18m from Waterloo
Leave By
7:48 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms Likely leaving Waterloo and Slight Chance Showers And Thunderstorms near Alton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Waterloo to Alton?

The road trip is about 226.7 miles (364.8 km) and usually takes 04h 36m 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?

Knierim is a useful midpoint, sitting about 113.1 miles from Waterloo and 113.6 miles from Alton.

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

The direct path is about 189.2 miles (304.5 km), while the road route adds roughly 37.5 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 7:48 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $30.17 one way or $60.34 round trip. Estimated CO2 is about 71.1 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Waterloo and Slight Chance Showers And Thunderstorms near Alton.

Flight Path Map

This map shows the direct air route between Waterloo and Alton. Straight-line distance: 189.21 mi (304.5 km).

Waterloo

#1 Waterloo

The most populous city in Black Hawk County, Iowa.

Population67,292
Coordinates42.4927600, -92.3429600
Altitude261
CountryUnited States
Photo coming soon

#2 Alton

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

Population1,249
Coordinates42.9874900, -96.0105700
Altitude404
CountryUnited States
Start: Waterloo (-92.34296, 42.49276)
End: Alton (-96.01057, 42.98749)

Estimated Travel Time

Distance: 365 km by road

SpeedTime
30 mph (48.3 km/h)07h 33m
40 mph (64.37 km/h)05h 40m
50 mph (80.47 km/h)04h 31m
60 mph (96.56 km/h)03h 46m
70 mph (112.65 km/h)03h 14m
80 mph (129 km/h)02h 49m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8 gal
30.28 L · about $30.17
Round trip
$60.34
16 gal · 60.56 L
Estimated CO2
71.1 kg one way
Round trip: 142.2 kg / 313 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $30.17 $60.34
Mid-grade $4.25 $34.02 $68.05
Premium $4.65 $37.23 $74.46
Diesel $5.30 $42.43 $84.86

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 15, 2026

There is no time difference between Waterloo and Alton. The current time is 22:58:39.

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.