How far is Monmouth, IL from Arlington Heights, IL?
The driving distance from Monmouth, IL to Arlington Heights, IL is about 212.9 miles (342.6 km), with a travel time of about 03h 14m by car.
- The straight-line flight distance is about 160.2 miles (257.8 km).
- For a round trip, plan for roughly 06h 28m 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 14m.
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.
Village in Lee County, Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Mostly Cloudy
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Monmouth and Arlington Heights.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monmouth and Arlington Heights.
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1
Start on South 1st Street
65 m · 15 sec · South 1st Street
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2
Turn left onto East Broadway
89 m · 8 sec · East Broadway
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3
Enter the roundabout and take exit 1 toward Public Square
5 m · 1 sec · North Main Street
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4
Exit the rotary onto North Main Street
1.4 km · 2 min · North Main Street
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5
Take the ramp slight right
84 m · 8 sec
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6
Merge slight left onto Chicago-Kansas City Expressway
18.9 mi · 22 min · Chicago-Kansas City Expressway
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7
Keep slight right to continue on Chicago-Kansas City Expressway
31.9 mi · 35 min · Chicago-Kansas City Expressway
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8
Keep slight left to continue on Chicago-Kansas City Expressway
6.3 mi · 7 min · Chicago-Kansas City Expressway
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9
Take the exit slight right toward I 88 East, IL 92 East: Sterling, Rock Falls
132.4 mi · 2 hr 25 min
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10
Take the exit slight right toward I 355 Toll North: Northwest Suburbs
1.1 km · 2 min
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11
Merge slight left onto Veterans Memorial Tollway
10.6 mi · 13 min · Veterans Memorial Tollway
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12
Merge slight left
5.6 mi · 7 min
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13
Keep slight left
2.7 mi · 4 min
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14
Take the exit slight right toward East Euclid Avenue, Third District, Circuit Court
1856 ft · 45 sec
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15
Turn slight right onto Euclid Avenue
2.5 mi · 6 min · Euclid Avenue
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16
Arrive at your destination
0 m · 1 sec · East Euclid Avenue
Car Route Details
A richer read on the saved driving route between Monmouth and Arlington Heights.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 88 East
Take the exit slight right toward I 88 East, IL 92 East: Sterling, Rock Falls
132 mi · 02h 25m
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.
Slight Chance Showers And Thunderstorms then Mostly Cloudy leaving Monmouth and Mostly Sunny near Arlington Heights.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Monmouth to Arlington Heights?
The road trip is about 212.9 miles (342.6 km) and usually takes 03h 14m 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?
Nelson is a useful midpoint, sitting about 106.4 miles from Monmouth and 106.5 miles from Arlington Heights.
How much longer is the road route than the straight-line distance?
The direct path is about 160.2 miles (257.8 km), while the road route adds roughly 52.7 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:32 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.32 one way or $56.64 round trip. Estimated CO2 is about 66.7 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms then Mostly Cloudy around Monmouth and Mostly Sunny near Arlington Heights.
Stop Ideas Near Nelson
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 Nelson.
Princeton
Mendota station
Kewanee
Rockford, Illinois
Flight Path Map
This map shows the direct air route between Monmouth and Arlington Heights. Straight-line distance: 160.16 mi (257.76 km).
#1 Monmouth
City in Warren County, Illinois, United States
| Population | 8,801 |
| Coordinates | 40.9114300, -90.6473600 |
| Altitude | 232 |
| Country | United States |
#2 Arlington Heights
Village in Cook County, Illinois, United States; suburb of Chicago, Illinois
| Population | 75,101 |
| Coordinates | 42.0883600, -87.9806300 |
| Altitude | 214 |
| Country | United States |
End: East Euclid Avenue (-87.980632, 42.088281)
Estimated Travel Time
Distance: 343 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 05m |
| 40 mph (64.37 km/h) | 05h 19m |
| 50 mph (80.47 km/h) | 04h 15m |
| 60 mph (96.56 km/h) | 03h 32m |
| 70 mph (112.65 km/h) | 03h 02m |
| 80 mph (129 km/h) | 02h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.32 | $56.64 |
| Mid-grade | $4.25 | $31.94 | $63.88 |
| Premium | $4.65 | $34.95 | $69.90 |
| Diesel | $5.30 | $39.83 | $79.67 |
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 Illinois · May 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.