How far is Rock Grove, IL from Springfield, IL?
The driving distance from Rock Grove, IL to Springfield, IL is about 229.8 miles (369.9 km), with a travel time of about 03h 36m by car.
- The straight-line flight distance is about 184 miles (296.1 km).
- For a round trip, plan for roughly 07h 13m 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 36m.
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.
Human settlement in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Rock Grove and Springfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rock Grove and Springfield.
-
1
Start on East Rock Grove Road
1.8 mi · 3 min · East Rock Grove Road
-
2
Turn right onto North Rock City Road
12.8 mi · 22 min · North Rock City Road
-
3
Turn left onto U.S. Grant Memorial Highway
4.4 mi · 5 min · U.S. Grant Memorial Highway
-
4
Continue on West State Road
9.8 mi · 11 min · West State Road
-
5
Continue on U.S. Grant Memorial Highway
11.3 mi · 13 min · U.S. Grant Memorial Highway
-
6
Take the exit slight right
1.2 km · 2 min
-
7
Merge slight right
118.2 mi · 2 hr 7 min
-
8
Keep slight right to continue on I 55 South, US 51 South: Peoria, Champaign, Saint Louis, Decatur
7.6 mi · 8 min
-
9
Keep slight right to continue on I 55 South: Saint Louis, Springfield
59.5 mi · 1 hr 4 min
-
10
Take the exit slight right toward IL 97 West
2280 ft · 43 sec
-
11
Merge slight left onto Clear Lake Avenue
2.1 mi · 4 min · Clear Lake Avenue
-
12
Continue on East Jefferson Street
2261 ft · 1 min · East Jefferson Street
-
13
Turn left onto North 7th Street
124 m · 19 sec · North 7th Street
-
14
Turn left onto East Washington Street
768 ft · 24 sec · East Washington Street
-
15
Arrive at your destination
0 m · 1 sec · East Washington Street
Car Route Details
A richer read on the saved driving route between Rock Grove and Springfield.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
U.S. Grant Memorial Highway
Merge slight right
118 mi · 02h 07m
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.
Sunny leaving Rock Grove and Mostly Cloudy near Springfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rock Grove to Springfield?
The road trip is about 229.8 miles (369.9 km) and usually takes 03h 36m 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 114.8 miles from Rock Grove and 115 miles from Springfield.
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 45.8 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 9:46 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.58 one way or $61.17 round trip. Estimated CO2 is about 72.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Rock Grove and Mostly Cloudy near Springfield.
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 Rock Grove and Springfield. Straight-line distance: 184.01 mi (296.13 km).
#1 Rock Grove
Unincorporated community in Illinois
| Population | 1,296 |
| Coordinates | 42.4630700, -89.5120600 |
| Altitude | 288 |
| Country | United States |
#2 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 |
End: East Washington Street (-89.643712, 39.801639)
Estimated Travel Time
Distance: 370 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 39m |
| 40 mph (64.37 km/h) | 05h 44m |
| 50 mph (80.47 km/h) | 04h 35m |
| 60 mph (96.56 km/h) | 03h 49m |
| 70 mph (112.65 km/h) | 03h 16m |
| 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 | $30.58 | $61.17 |
| Mid-grade | $4.25 | $34.49 | $68.98 |
| Premium | $4.65 | $37.74 | $75.49 |
| Diesel | $5.30 | $43.02 | $86.03 |
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.