How far is Marengo, IL from Peoria, IL?
The driving distance from Marengo, IL to Peoria, IL is about 149.3 miles (240.3 km), with a travel time of about 02h 35m by car.
- The straight-line flight distance is about 118.8 miles (191.2 km).
- For a round trip, plan for roughly 05h 11m 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 02h 35m.
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.
Township in LaSalle County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Marengo and Peoria.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marengo and Peoria.
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1
Start on South State Street
33 m · 7 sec · South State Street
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2
Turn right onto West Grant Highway
5 mi · 7 min · West Grant Highway
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3
Continue on U.S. Grant Memorial Highway
13.5 mi · 20 min · U.S. Grant Memorial Highway
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4
Continue on U.S. Grant Memorial Highway
569 ft · 10 sec · U.S. Grant Memorial Highway
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5
Continue on Harrison Avenue
126 m · 7 sec · Harrison Avenue
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6
Take the ramp slight left
1764 ft · 43 sec
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7
Merge slight left
1.8 mi · 2 min
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8
Keep slight right
60.7 mi · 1 hr 5 min
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9
Take the exit slight right toward I 80 West: La Salle-Peru, Des Moines
1 km · 58 sec
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10
Merge slight left
16.7 mi · 18 min
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11
Take the exit slight right toward I 180 South: Hennepin
1 mi · 2 min
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12
Continue straight
8.7 mi · 9 min
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13
Keep slight right to continue on Peoria
2.1 mi · 2 min
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14
Continue straight
32.6 mi · 39 min
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15
Continue on North Galena Road
7.3 mi · 11 min · North Galena Road
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16
Continue on Northeast Adams Street
1.2 mi · 2 min · Northeast Adams Street
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17
Continue on Northeast Jefferson Avenue
1.7 mi · 3 min · Northeast Jefferson Avenue
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18
Arrive at your destination
0 m · 1 sec · Northeast Jefferson Avenue
Car Route Details
A richer read on the saved driving route between Marengo and Peoria.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Harrison Avenue
Keep slight right
60.7 mi · 01h 05m
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 Marengo and Mostly Sunny near Peoria.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marengo to Peoria?
The road trip is about 149.3 miles (240.3 km) and usually takes 02h 35m 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?
Troy Grove is a useful midpoint, sitting about 76.7 miles from Marengo and 72.7 miles from Peoria.
How much longer is the road route than the straight-line distance?
The direct path is about 118.8 miles (191.2 km), while the road route adds roughly 30.5 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 1:18 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.87 one way or $39.75 round trip. Estimated CO2 is about 46.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Marengo and Mostly Sunny near Peoria.
Stop Ideas Near Troy Grove
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 Troy Grove.
Mendota station
Princeton
Plano
Dwight station
Flight Path Map
This map shows the direct air route between Marengo and Peoria. Straight-line distance: 118.82 mi (191.23 km).
#1 Marengo
City in McHenry County, Illinois, United States
| Population | 7,377 |
| Coordinates | 42.2486300, -88.6084300 |
| Altitude | 254 |
| Country | United States |
#2 Peoria
The third most populous city in Illinois.
| Population | 109,428 |
| Coordinates | 40.6936500, -89.5889900 |
| Altitude | 153 |
| Country | United States |
End: Northeast Jefferson Avenue (-89.589088, 40.693742)
Estimated Travel Time
Distance: 240 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 58m |
| 40 mph (64.37 km/h) | 03h 44m |
| 50 mph (80.47 km/h) | 02h 59m |
| 60 mph (96.56 km/h) | 02h 29m |
| 70 mph (112.65 km/h) | 02h 08m |
| 80 mph (129 km/h) | 01h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.87 | $39.75 |
| Mid-grade | $4.25 | $22.41 | $44.83 |
| Premium | $4.65 | $24.53 | $49.05 |
| Diesel | $5.30 | $27.95 | $55.90 |
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 Illinois · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.