How far is Dubuque, IA from Waterloo, IA?
The driving distance from Dubuque, IA to Waterloo, IA is about 91.2 miles (146.7 km), with a travel time of about 01h 30m by car.
- The straight-line flight distance is about 85.5 miles (137.6 km).
- For a round trip, plan for roughly 03h 00m 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 30m.
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.
City in Delaware County, Iowa, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Dubuque and Waterloo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dubuque and Waterloo.
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1
Start on Central Avenue
929 ft · 34 sec · Central Avenue
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2
Take the ramp straight toward US 61 South, US 151 South
1248 ft · 32 sec
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3
Turn right onto Locust Street Conn
1166 ft · 36 sec · Locust Street Conn
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4
Turn right onto Dodge Street
87 mi · 1 hr 43 min · Dodge Street
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5
Keep slight right to continue on I-380 north, US 218 north: Waterloo
2.9 mi · 5 min
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6
Continue on Washington Street
2296 ft · 1 min · Washington Street
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7
Turn left onto West 4th Street
121 m · 13 sec · West 4th Street
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8
Arrive at your destination
0 m · 1 sec · West 4th Street
Car Route Details
A richer read on the saved driving route between Dubuque and Waterloo.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Dodge Street
Turn right onto Dodge Street
87 mi · 01h 43m
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.
Sunny leaving Dubuque and Sunny near Waterloo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dubuque to Waterloo?
The road trip is about 91.2 miles (146.7 km) and usually takes 01h 30m 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?
Manchester is a useful midpoint, sitting about 45.5 miles from Dubuque and 45.7 miles from Waterloo.
How much longer is the road route than the straight-line distance?
The direct path is about 85.5 miles (137.6 km), while the road route adds roughly 5.7 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 3:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.10 one way or $24.21 round trip. Estimated CO2 is about 28.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dubuque and Sunny near Waterloo.
Flight Path Map
This map shows the direct air route between Dubuque and Waterloo. Straight-line distance: 85.5 mi (137.6 km).
#1 Dubuque
The most populous city in Dubuque County, Iowa.
| Population | 57,781 |
| Coordinates | 42.5005600, -90.6645700 |
| Altitude | 189 |
| 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: 147 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 02m |
| 40 mph (64.37 km/h) | 02h 16m |
| 50 mph (80.47 km/h) | 01h 49m |
| 60 mph (96.56 km/h) | 01h 31m |
| 70 mph (112.65 km/h) | 01h 18m |
| 80 mph (129 km/h) | 01h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $12.10 | $24.21 |
| Mid-grade | $4.25 | $13.65 | $27.30 |
| Premium | $4.65 | $14.94 | $29.88 |
| Diesel | $5.30 | $17.03 | $34.05 |
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.