How far is Waterloo, IA from Greenfield, IA?
The driving distance from Waterloo, IA to Greenfield, IA is about 170.3 miles (274.1 km), with a travel time of about 03h 33m by car.
- The straight-line flight distance is about 136.4 miles (219.5 km).
- For a round trip, plan for roughly 07h 07m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 03h 33m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Jasper County, Iowa, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Slight Chance Rain And Snow Showers
Driving Route Map
The map below follows the saved road route between Waterloo and Greenfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Waterloo and Greenfield.
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1
Start on West 4th Street
23 m · 6 sec · West 4th Street
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2
Turn right onto Washington Street
117 m · 10 sec · Washington Street
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3
Turn right onto West 5th Street
1622 ft · 34 sec · West 5th Street
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4
Continue on West 4th Street
2.4 mi · 4 min · West 4th Street
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5
Turn slight right onto West Ridgeway Avenue
3073 ft · 1 min · West Ridgeway Avenue
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6
Turn left onto Sergeant Road
1.3 km · 1 min · Sergeant Road
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7
Take the ramp left
1428 ft · 36 sec
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8
Merge slight left onto Avenue of the Saints
18.4 mi · 21 min · Avenue of the Saints
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9
Take the exit slight right toward IA 14: Parkersburg, Grundy Center
2083 ft · 59 sec
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10
Turn left onto N Avenue
4.5 mi · 6 min · N Avenue
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11
Turn right onto 210th Street
1.6 km · 1 min · 210th Street
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12
Turn sharp left onto County Road T37
1 mi · 1 min · County Road T37
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13
Continue on M Avenue
1.5 mi · 2 min · M Avenue
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14
Turn right onto 240th Street
6.3 mi · 9 min · 240th Street
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15
Turn left onto Sanford Avenue
15.9 mi · 22 min · Sanford Avenue
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16
Turn right onto 160th Street
4.3 mi · 6 min · 160th Street
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17
Keep slight left to continue on North Main Street
1.2 mi · 2 min · North Main Street
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18
Continue on Marsh Avenue
5.9 mi · 8 min · Marsh Avenue
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19
Turn right
35.9 mi · 43 min
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20
Take the exit slight right toward I 80 west, US 65 south: Des Moines
13 mi · 16 min
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21
Continue straight
5.6 mi · 6 min
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22
Keep slight right to continue on I 80 West: Omaha
36.8 mi · 40 min
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23
Take the exit slight right toward IA 25: Guthrie Center, Greenfield
1199 ft · 31 sec
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24
Turn left onto State Highway 25
12.4 mi · 17 min · State Highway 25
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25
Continue on Northeast 6th Street
1.5 km · 1 min · Northeast 6th Street
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26
Turn right onto Southeast Kent Street
2114 ft · 38 sec · Southeast Kent Street
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27
Turn right onto South 1st Street
546 ft · 26 sec · South 1st Street
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28
At the end of the road, turn right onto Public Square
36 m · 6 sec · Public Square
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29
Continue on Public Square
572 ft · 25 sec · Public Square
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30
Arrive at your destination
0 m · 1 sec · Public Square
Car Route Details
A richer read on the saved driving route between Waterloo and Greenfield.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 80 West
Keep slight right to continue on I 80 West: Omaha
36.8 mi · 00h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Chance Showers And Thunderstorms leaving Waterloo and Slight Chance Rain And Snow Showers near Greenfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waterloo to Greenfield?
The road trip is about 170.3 miles (274.1 km) and usually takes 03h 33m 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?
Mingo is a useful midpoint, sitting about 85.1 miles from Waterloo and 85.3 miles from Greenfield.
How much longer is the road route than the straight-line distance?
The direct path is about 136.4 miles (219.5 km), while the road route adds roughly 33.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:52 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.66 one way or $45.33 round trip. Estimated CO2 is about 53.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Waterloo and Slight Chance Rain And Snow Showers near Greenfield.
Stop Ideas Near Mingo
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Mingo.
Osceola
Ottumwa station
Flight Path Map
This map shows the direct air route between Waterloo and Greenfield. Straight-line distance: 136.38 mi (219.48 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 Greenfield
City in Iowa, United States; county seat of Adair County
| Population | 1,812 |
| Coordinates | 41.3052700, -94.4613500 |
| Altitude | 418 |
| Country | United States |
End: Greenfield (-94.46135, 41.30527)
Estimated Travel Time
Distance: 274 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 40m |
| 40 mph (64.37 km/h) | 04h 15m |
| 50 mph (80.47 km/h) | 03h 24m |
| 60 mph (96.56 km/h) | 02h 50m |
| 70 mph (112.65 km/h) | 02h 26m |
| 80 mph (129 km/h) | 02h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $22.66 | $45.33 |
| Mid-grade | $4.25 | $25.56 | $51.12 |
| Premium | $4.65 | $27.97 | $55.94 |
| Diesel | $5.30 | $31.88 | $63.75 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.