How far is Stonington, IL from Assumption, IL?
The driving distance from Stonington, IL to Assumption, IL is about 18.9 miles (30.4 km), with a travel time of about 00h 28m by car.
- The straight-line flight distance is about 11.2 miles (18.1 km).
- For a round trip, plan for roughly 00h 56m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 28m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Stonington and Assumption.
Turn-by-Turn Driving Directions
Step-by-step road directions between Stonington and Assumption.
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1
Start on Anomynous Street
82 m · 12 sec · Anomynous Street
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2
Turn right onto West North Street
829 ft · 29 sec · West North Street
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3
Turn left onto N Main St
4.2 mi · 5 min · N Main St
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4
Continue on North Railroad Avenue
2.4 mi · 3 min · North Railroad Avenue
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5
Turn right onto West Andrews Street Road
6.1 mi · 10 min · West Andrews Street Road
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6
Turn right onto United States Route 51
14.1 mi · 16 min · United States Route 51
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7
Turn right onto County Highway 6
825 ft · 23 sec · County Highway 6
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8
Continue on East 1200 North Road
2240 ft · 1 min · East 1200 North Road
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9
Turn left onto North Oak Street
1151 ft · 53 sec · North Oak Street
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10
Turn right onto East 1st Street
32 m · 5 sec · East 1st Street
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11
Arrive at your destination
0 m · 1 sec · East 1st Street
Car Route Details
A richer read on the saved driving route between Stonington and Assumption.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
United States Route 51
Turn right onto United States Route 51
14.1 mi · 00h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms Likely leaving Stonington and Showers And Thunderstorms near Assumption.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Stonington to Assumption?
The road trip is about 18.9 miles (30.4 km) and usually takes 00h 28m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Macon is a useful midpoint, sitting about 13.9 miles from Stonington and 5 miles from Assumption.
How much longer is the road route than the straight-line distance?
The direct path is about 11.2 miles (18.1 km), while the road route adds roughly 7.7 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:34 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.53 one way or $5.05 round trip. Estimated CO2 is about 6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Stonington and Showers And Thunderstorms near Assumption.
Stop Ideas Near Macon
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 Macon.
Springfield station
Lincoln
Mattoon station
Effingham
Flight Path Map
This map shows the direct air route between Stonington and Assumption. Straight-line distance: 11.28 mi (18.15 km).
#1 Stonington
Township in Christian County, Illinois
| Population | 835 |
| Coordinates | 39.6400400, -89.1928600 |
| Altitude | 186 |
| Country | United States |
#2 Assumption
City in Christian County, Illinois, United States
| Population | 1,056 |
| Coordinates | 39.5203200, -89.0489700 |
| Altitude | 197 |
| Country | United States |
End: East 1st Street (-89.048987, 39.520268)
Estimated Travel Time
Distance: 30 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 37m |
| 40 mph (64.37 km/h) | 00h 28m |
| 50 mph (80.47 km/h) | 00h 22m |
| 60 mph (96.56 km/h) | 00h 18m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.53 | $5.05 |
| Mid-grade | $4.25 | $2.85 | $5.70 |
| Premium | $4.65 | $3.12 | $6.24 |
| Diesel | $5.30 | $3.55 | $7.11 |
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 · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.