How far is Springfield, IL from Monmouth, IL?
The driving distance from Springfield, IL to Monmouth, IL is about 138.4 miles (222.8 km), with a travel time of about 02h 38m by car.
- The straight-line flight distance is about 93.1 miles (149.9 km).
- For a round trip, plan for roughly 05h 16m 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 38m.
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.
Village in Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Springfield and Monmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Springfield and Monmouth.
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1
Start on East Washington Street
1206 ft · 42 sec · East Washington Street
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2
Turn left onto North 12th Street
1013 ft · 36 sec · North 12th Street
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3
Turn straight onto Clear Lake Avenue
2.3 mi · 4 min · Clear Lake Avenue
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4
Take the exit slight right toward I 55 North: Chicago
1533 ft · 53 sec
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5
Merge slight left
29.2 mi · 32 min
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6
Keep slight left to continue on I 155 North: Peoria, Hartsburg
32 mi · 34 min
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7
Keep slight left to continue on I 74 West: Peoria
1.5 km · 2 min
-
8
Merge slight left
1 mi · 1 min
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9
Keep slight left to continue on I 474 West: Moline, Rock Island
14 mi · 15 min
-
10
Take the exit slight left toward I 74 West: Moline, Rock Island
1 mi · 1 min
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11
Merge slight right
38.2 mi · 41 min
-
12
Take the exit slight right toward Galesburg
1583 ft · 39 sec
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13
Turn straight onto East Main Street
1.9 mi · 3 min · East Main Street
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14
Enter the roundabout and take exit 2 toward Public Square
112 m · 6 sec · West Main Street
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15
Exit the rotary onto West Main Street
2.1 mi · 3 min · West Main Street
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16
Turn left
1917 ft · 47 sec
-
17
Merge slight left onto Chicago-Kansas City Expressway
13.3 mi · 16 min · Chicago-Kansas City Expressway
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18
Turn left onto North Main Street
1.5 km · 2 min · North Main Street
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19
Enter the roundabout and take exit 3 toward Public Square
94 m · 6 sec · East Broadway
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20
Exit the rotary onto East Broadway
90 m · 10 sec · East Broadway
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21
Turn right onto South 1st Street
65 m · 9 sec · South 1st Street
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22
Arrive at your destination
0 m · 1 sec · South 1st Street
Car Route Details
A richer read on the saved driving route between Springfield and Monmouth.
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 74 West
Merge slight right
38.2 mi · 00h 41m
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.
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms leaving Springfield and Slight Chance Showers And Thunderstorms then Mostly Cloudy near Monmouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Springfield to Monmouth?
The road trip is about 138.4 miles (222.8 km) and usually takes 02h 38m 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?
Creve Coeur is a useful midpoint, sitting about 69.2 miles from Springfield and 69.3 miles from Monmouth.
How much longer is the road route than the straight-line distance?
The direct path is about 93.1 miles (149.9 km), while the road route adds roughly 45.3 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 1:14 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.44 one way or $36.88 round trip. Estimated CO2 is about 43.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms around Springfield and Slight Chance Showers And Thunderstorms then Mostly Cloudy near Monmouth.
Stop Ideas Near Creve Coeur
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 Creve Coeur.
Peoria, Illinois
Uptown Station
Lincoln
Kewanee
Flight Path Map
This map shows the direct air route between Springfield and Monmouth. Straight-line distance: 93.12 mi (149.86 km).
#1 Springfield
The capital of Illinois and the county seat of Sangamon County.
| Population | 113,671 |
| Coordinates | 39.8017200, -89.6437100 |
| Altitude | 182 |
| Country | United States |
#2 Monmouth
City in Warren County, Illinois, United States
| Population | 8,801 |
| Coordinates | 40.9114300, -90.6473600 |
| Altitude | 232 |
| Country | United States |
End: Monmouth (-90.64736, 40.91143)
Estimated Travel Time
Distance: 223 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 36m |
| 40 mph (64.37 km/h) | 03h 27m |
| 50 mph (80.47 km/h) | 02h 46m |
| 60 mph (96.56 km/h) | 02h 18m |
| 70 mph (112.65 km/h) | 01h 58m |
| 80 mph (129 km/h) | 01h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $18.44 | $36.88 |
| Mid-grade | $4.25 | $20.80 | $41.59 |
| Premium | $4.65 | $22.76 | $45.52 |
| Diesel | $5.30 | $25.94 | $51.87 |
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.