How far is Waterloo, IA from Sumner, IA?
The driving distance from Waterloo, IA to Sumner, IA is about 37 miles (59.6 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 27.7 miles (44.5 km).
- For a round trip, plan for roughly 01h 44m 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 00h 52m.
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 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 Waterloo and Sumner.
Turn-by-Turn Driving Directions
Step-by-step road directions between Waterloo and Sumner.
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1
Start on West 4th Street
1230 ft · 45 sec · West 4th Street
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2
Turn left onto Commercial Street
1474 ft · 46 sec · Commercial Street
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3
Turn right onto West 1st Street
3169 ft · 1 min · West 1st Street
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4
Continue on East Mullan Avenue
1.3 km · 2 min · East Mullan Avenue
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5
Continue on Logan Avenue
8.7 mi · 12 min · Logan Avenue
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6
Continue on Larrabee Avenue
11.3 mi · 13 min · Larrabee Avenue
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7
Turn right onto 170th Street
3.5 mi · 5 min · 170th Street
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8
Continue on 7th Avenue Southwest
2681 ft · 51 sec · 7th Avenue Southwest
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9
Turn left onto South Main Street
1.1 mi · 2 min · South Main Street
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10
Continue on Piedmont Avenue
2.3 mi · 3 min · Piedmont Avenue
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11
Continue on 140th Street
6.2 mi · 9 min · 140th Street
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12
Continue on West 1st Street
1.5 mi · 2 min · West 1st Street
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13
Arrive at your destination
0 m · 1 sec · East 1st Street
Car Route Details
A richer read on the saved driving route between Waterloo and Sumner.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Larrabee Avenue
Continue on Larrabee Avenue
11.3 mi · 00h 13m
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 Waterloo and Sunny near Sumner.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waterloo to Sumner?
The road trip is about 37 miles (59.6 km) and usually takes 00h 52m 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?
Tripoli is a useful midpoint, sitting about 18.5 miles from Waterloo and 18.5 miles from Sumner.
How much longer is the road route than the straight-line distance?
The direct path is about 27.7 miles (44.5 km), while the road route adds roughly 9.3 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 4:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.94 one way or $9.88 round trip. Estimated CO2 is about 11.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Waterloo and Sunny near Sumner.
Flight Path Map
This map shows the direct air route between Waterloo and Sumner. Straight-line distance: 27.64 mi (44.48 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 Sumner
City in Bremer County, Iowa, United States of America
| Population | 1,965 |
| Coordinates | 42.8474800, -92.0915600 |
| Altitude | 323 |
| Country | United States |
End: Sumner (-92.09156, 42.84748)
Estimated Travel Time
Distance: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 55m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.94 | $9.88 |
| Mid-grade | $4.25 | $5.57 | $11.14 |
| Premium | $4.65 | $6.10 | $12.19 |
| Diesel | $5.30 | $6.95 | $13.90 |
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.