How far is Waterloo, IA from Peosta, IA?
The driving distance from Waterloo, IA to Peosta, IA is about 80 miles (128.7 km), with a travel time of about 01h 34m by car.
- The straight-line flight distance is about 76.1 miles (122.5 km).
- For a round trip, plan for roughly 03h 09m 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 34m.
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.
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Waterloo and Peosta.
Turn-by-Turn Driving Directions
Step-by-step road directions between Waterloo and Peosta.
-
1
Start on West 4th Street
23 m · 6 sec · West 4th Street
-
2
Turn right onto Washington Street
2.7 mi · 4 min · Washington Street
-
3
Keep slight right to continue on I-380 south, US 20, IA 27: Cedar Rapids, Dubuque, Cedar Falls
6.5 mi · 8 min
-
4
Keep slight left
69.6 mi · 1 hr 20 min
-
5
Take the exit slight right toward CR Y21: Peosta, Northeast Iowa Community College
1805 ft · 58 sec
-
6
Turn left onto Sundown Road
924 ft · 18 sec · Sundown Road
-
7
Continue on Peosta Street
901 ft · 18 sec · Peosta Street
-
8
Enter the roundabout and take exit 2 toward Peosta Street
37 m · 2 sec · Peosta Street
-
9
Exit the roundabout onto Peosta Street
2054 ft · 41 sec · Peosta Street
-
10
Arrive at your destination
0 m · 1 sec · Peosta Street
Car Route Details
A richer read on the saved driving route between Waterloo and Peosta.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I-380 south
Keep slight left
69.6 mi · 01h 20m
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.
Slight Chance Rain Showers then Chance Showers And Thunderstorms leaving Waterloo and Partly Sunny then Slight Chance Showers And Thunderstorms near Peosta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waterloo to Peosta?
The road trip is about 80 miles (128.7 km) and usually takes 01h 34m 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 39.9 miles from Waterloo and 40.1 miles from Peosta.
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 3.9 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 3:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.63 one way or $21.27 round trip. Estimated CO2 is about 25.1 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Chance Showers And Thunderstorms around Waterloo and Partly Sunny then Slight Chance Showers And Thunderstorms near Peosta.
Flight Path Map
This map shows the direct air route between Waterloo and Peosta. Straight-line distance: 76.12 mi (122.51 km).
#1 Waterloo
The most populous city in Black Hawk County, Iowa.
| Population | 67,292 |
| Coordinates | 42.4927600, -92.3429600 |
| Altitude | 261 |
| Country | United States |
#2 Peosta
City in Dubuque County, Iowa, United States
| Population | 1,919 |
| Coordinates | 42.4505600, -90.8504100 |
| Altitude | 321 |
| Country | United States |
End: Peosta (-90.85041, 42.45056)
Estimated Travel Time
Distance: 129 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 39m |
| 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 | $10.63 | $21.27 |
| Mid-grade | $4.25 | $11.99 | $23.99 |
| Premium | $4.65 | $13.12 | $26.25 |
| Diesel | $5.30 | $14.96 | $29.91 |
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.