How far is Springfield, IL from Rock Grove, IL?
The driving distance from Springfield, IL to Rock Grove, IL is about 230.7 miles (371.3 km), with a travel time of about 04h 23m by car.
- The straight-line flight distance is about 184 miles (296.1 km).
- For a round trip, plan for roughly 08h 46m 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 04h 23m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Human settlement in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Sunny
Driving Route Map
The map below follows the saved road route between Springfield and Rock Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Springfield and Rock Grove.
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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 right to continue on I 55 North: Chicago
29.4 mi · 31 min
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7
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
7.6 mi · 8 min
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8
Take the exit slight right toward I 39 North: Rockford
119.9 mi · 2 hr 9 min
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9
Take the exit slight left toward US 20 West: Freeport, Rockford
1.1 mi · 2 min
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10
Merge slight left onto U.S. Grant Memorial Highway
26.1 mi · 30 min · U.S. Grant Memorial Highway
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11
Turn right onto South Rock City Road
12.8 mi · 22 min · South Rock City Road
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12
At the end of the road, turn left onto East Rock Grove Road
1.8 mi · 3 min · East Rock Grove Road
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13
Arrive at your destination
0 m · 1 sec · East Rock Grove Road
Car Route Details
A richer read on the saved driving route between Springfield and Rock 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 39 North
Take the exit slight right toward I 39 North: Rockford
120 mi · 02h 09m
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.
Mostly Cloudy leaving Springfield and Sunny near Rock Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Springfield to Rock Grove?
The road trip is about 230.7 miles (371.3 km) and usually takes 04h 23m 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?
Lostant is a useful midpoint, sitting about 115.4 miles from Springfield and 115.3 miles from Rock Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 184 miles (296.1 km), while the road route adds roughly 46.7 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 8:14 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.70 one way or $61.39 round trip. Estimated CO2 is about 72.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Springfield and Sunny near Rock Grove.
Stop Ideas Near Lostant
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 Lostant.
Princeton
Mendota station
Pontiac station
Dwight station
Flight Path Map
This map shows the direct air route between Springfield and Rock Grove. Straight-line distance: 184.01 mi (296.13 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 Rock Grove
Unincorporated community in Illinois
| Population | 1,296 |
| Coordinates | 42.4630700, -89.5120600 |
| Altitude | 288 |
| Country | United States |
End: Rock Grove (-89.51206, 42.46307)
Estimated Travel Time
Distance: 371 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 41m |
| 40 mph (64.37 km/h) | 05h 46m |
| 50 mph (80.47 km/h) | 04h 36m |
| 60 mph (96.56 km/h) | 03h 50m |
| 70 mph (112.65 km/h) | 03h 17m |
| 80 mph (129 km/h) | 02h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $30.70 | $61.39 |
| Mid-grade | $4.25 | $34.62 | $69.24 |
| Premium | $4.65 | $37.88 | $75.77 |
| Diesel | $5.30 | $43.17 | $86.35 |
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.