How far is Monmouth, IL from Elk Grove, IL?
The driving distance from Monmouth, IL to Elk Grove, IL is about 219.5 miles (353.3 km), with a travel time of about 03h 15m by car.
- The straight-line flight distance is about 159.3 miles (256.4 km).
- For a round trip, plan for roughly 06h 31m 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 15m.
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 Elk Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monmouth and Elk Grove.
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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
135 mi · 2 hr 29 min
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10
Keep slight right to continue on Ronald Reagan Memorial Tollway
1.5 mi · 2 min · Ronald Reagan Memorial Tollway
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11
Take the exit slight right toward Midwest Road
1339 ft · 33 sec
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12
Turn right onto Midwest Road
2986 ft · 1 min · Midwest Road
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13
Turn right onto Butterfield Road
1.4 km · 2 min · Butterfield Road
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14
Take the ramp slight right toward IL 83 North, IL 38 West: Kingery Highway, Roosevelt Road
1503 ft · 41 sec
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15
Merge slight left onto Kingery Highway
7.4 mi · 12 min · Kingery Highway
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16
Continue on Busse Road
3.1 mi · 5 min · Busse Road
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17
Turn right onto Touhy Avenue
1.4 km · 2 min · Touhy Avenue
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18
Turn right onto East Higgins Road
727 ft · 16 sec · East Higgins Road
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19
Turn right onto South Elmhurst Road
107 m · 7 sec · South Elmhurst Road
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20
Arrive at your destination
0 m · 1 sec · South Elmhurst Road
Car Route Details
A richer read on the saved driving route between Monmouth and Elk Grove.
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
135 mi · 02h 29m
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 Elk Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Monmouth to Elk Grove?
The road trip is about 219.5 miles (353.3 km) and usually takes 03h 15m 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 104 miles from Monmouth and 115.5 miles from Elk Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 159.3 miles (256.4 km), while the road route adds roughly 60.2 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 10:28 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.23 one way or $58.45 round trip. Estimated CO2 is about 68.9 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 Elk Grove.
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 Elk Grove. Straight-line distance: 159.3 mi (256.37 km).
#1 Monmouth
City in Warren County, Illinois, United States
| Population | 8,801 |
| Coordinates | 40.9114300, -90.6473600 |
| Altitude | 232 |
| Country | United States |
#2 Elk Grove
Township in Cook County, Illinois
| Population | 31,831 |
| Coordinates | 42.0072500, -87.9403400 |
| Altitude | 204 |
| Country | United States |
End: South Elmhurst Road (-87.940348, 42.00725)
Estimated Travel Time
Distance: 353 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 18m |
| 40 mph (64.37 km/h) | 05h 29m |
| 50 mph (80.47 km/h) | 04h 23m |
| 60 mph (96.56 km/h) | 03h 39m |
| 70 mph (112.65 km/h) | 03h 08m |
| 80 mph (129 km/h) | 02h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $29.23 | $58.45 |
| Mid-grade | $4.25 | $32.96 | $65.92 |
| Premium | $4.65 | $36.07 | $72.14 |
| Diesel | $5.30 | $41.11 | $82.21 |
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.