How far is Iowa City, IA from Marengo, IA?
The driving distance from Iowa City, IA to Marengo, IA is about 31.1 miles (50 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 29.5 miles (47.4 km).
- For a round trip, plan for roughly 01h 39m 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 49m.
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 Johnson County, Iowa, United States of America
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 Iowa City and Marengo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Iowa City and Marengo.
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1
Start on South Gilbert Street
120 m · 18 sec · South Gilbert Street
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2
Turn right onto East Washington Street
1214 ft · 45 sec · East Washington Street
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3
Continue on East Washington Street
845 ft · 32 sec · East Washington Street
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4
Turn right onto South Madison Street
129 m · 22 sec · South Madison Street
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5
Turn left onto West Iowa Avenue
1221 ft · 38 sec · West Iowa Avenue
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6
Turn right onto South Riverside Drive
142 m · 15 sec · South Riverside Drive
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7
Continue on Highway 6 West
1.6 km · 2 min · Highway 6 West
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8
Continue on 2nd Street
5.1 mi · 9 min · 2nd Street
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9
Continue on East Marengo Road
1316 ft · 22 sec · East Marengo Road
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10
Enter the roundabout and take exit 2 toward East Marengo Road
44 m · 2 sec · East Marengo Road
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11
Exit the roundabout onto East Marengo Road
2 mi · 3 min · East Marengo Road
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12
Continue on Highway 6 Northwest
2.4 mi · 3 min · Highway 6 Northwest
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13
Continue on Grand Army of the Republic Highway
1.1 km · 57 sec · Grand Army of the Republic Highway
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14
Continue on Highway 6 Northwest
1.3 mi · 2 min · Highway 6 Northwest
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15
Continue on Grand Army of the Republic Highway
6.3 mi · 9 min · Grand Army of the Republic Highway
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16
Turn left
1.9 mi · 3 min
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17
Continue straight
8.3 mi · 12 min
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18
Turn right onto Eastern Avenue
2975 ft · 1 min · Eastern Avenue
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19
Turn left onto East Marion Street
1663 ft · 1 min · East Marion Street
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20
Turn right
41 m · 10 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Iowa City and Marengo.
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.
Grand Army of the Republic Highway
Continue straight
8.31 mi · 00h 12m
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 Iowa City and Sunny near Marengo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Iowa City to Marengo?
The road trip is about 31.1 miles (50 km) and usually takes 00h 49m 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?
Oxford is a useful midpoint, sitting about 15.5 miles from Iowa City and 15.5 miles from Marengo.
How much longer is the road route than the straight-line distance?
The direct path is about 29.5 miles (47.4 km), while the road route adds roughly 1.6 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 4:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.15 one way or $8.30 round trip. Estimated CO2 is about 9.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Iowa City and Sunny near Marengo.
Stop Ideas Near Oxford
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 Oxford.
Mount Pleasant
Ottumwa station
Davenport, Iowa
Rock Island, IL
Flight Path Map
This map shows the direct air route between Iowa City and Marengo. Straight-line distance: 29.43 mi (47.37 km).
#1 Iowa City
The most populous city in Johnson County, Iowa.
| Population | 75,130 |
| Coordinates | 41.6611300, -91.5301700 |
| Altitude | 204 |
| Country | United States |
#2 Marengo
Town and county of Iowa County, Iowa, United States
| Population | 2,466 |
| Coordinates | 41.7980600, -92.0707400 |
| Altitude | 225 |
| Country | United States |
End: Marengo (-92.07074, 41.79806)
Estimated Travel Time
Distance: 50 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 02m |
| 40 mph (64.37 km/h) | 00h 46m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.15 | $8.30 |
| Mid-grade | $4.25 | $4.68 | $9.36 |
| Premium | $4.65 | $5.12 | $10.24 |
| Diesel | $5.30 | $5.83 | $11.67 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.