How far is Peosta, IA from Waterloo, IA?
The driving distance from Peosta, IA to Waterloo, IA is about 79.5 miles (128 km), with a travel time of about 01h 17m by car.
- The straight-line flight distance is about 76.1 miles (122.5 km).
- For a round trip, plan for roughly 02h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 01h 17m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Human settlement in Delaware County, Iowa, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Peosta and Waterloo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Peosta and Waterloo.
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1
Start on Peosta Street
2062 ft · 41 sec · Peosta Street
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2
Enter the roundabout and take exit 1 toward Peosta Street
30 m · 2 sec · Peosta Street
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3
Exit the roundabout onto Peosta Street
915 ft · 20 sec · Peosta Street
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4
Take the ramp right toward US 20 West, US 52 North
2035 ft · 56 sec
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5
Merge slight left
75.2 mi · 1 hr 27 min
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6
Keep slight right to continue on I-380 north, US 218 north: Waterloo
2.9 mi · 5 min
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7
Continue on Washington Street
2296 ft · 1 min · Washington Street
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8
Turn left onto West 4th Street
121 m · 13 sec · West 4th Street
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9
Arrive at your destination
0 m · 1 sec · West 4th Street
Car Route Details
A richer read on the saved driving route between Peosta and Waterloo.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 20 West
Merge slight left
75.2 mi · 01h 27m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Peosta and Slight Chance Rain Showers then Chance Showers And Thunderstorms near Waterloo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Peosta to Waterloo?
The road trip is about 79.5 miles (128 km) and usually takes 01h 17m 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?
Masonville is a useful midpoint, sitting about 39.7 miles from Peosta and 39.8 miles from Waterloo.
How much longer is the road route than the straight-line distance?
The direct path is about 76.1 miles (122.5 km), while the road route adds roughly 3.4 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 3:56 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.60 one way or $21.19 round trip. Estimated CO2 is about 25 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Peosta and Slight Chance Rain Showers then Chance Showers And Thunderstorms near Waterloo.
Flight Path Map
This map shows the direct air route between Peosta and Waterloo. Straight-line distance: 76.12 mi (122.51 km).
#1 Peosta
City in Dubuque County, Iowa, United States
| Population | 1,919 |
| Coordinates | 42.4505600, -90.8504100 |
| Altitude | 321 |
| Country | United States |
#2 Waterloo
The most populous city in Black Hawk County, Iowa.
| Population | 67,292 |
| Coordinates | 42.4927600, -92.3429600 |
| Altitude | 261 |
| Country | United States |
End: West 4th Street (-92.342752, 42.492625)
Estimated Travel Time
Distance: 128 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 38m |
| 40 mph (64.37 km/h) | 01h 59m |
| 50 mph (80.47 km/h) | 01h 35m |
| 60 mph (96.56 km/h) | 01h 19m |
| 70 mph (112.65 km/h) | 01h 08m |
| 80 mph (129 km/h) | 00h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $10.60 | $21.19 |
| Mid-grade | $4.25 | $11.95 | $23.90 |
| Premium | $4.65 | $13.08 | $26.16 |
| Diesel | $5.30 | $14.90 | $29.81 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.