How far is Assumption, IL from Stonington, IL?

The driving distance from Assumption, IL to Stonington, IL is about 29 miles (46.6 km), with a travel time of about 00h 39m by car.

  • The straight-line flight distance is about 11.2 miles (18.1 km).
  • For a round trip, plan for roughly 01h 18m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
28.94 mi
00h 39m
Flight
11.28 mi
18.15 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Assumption.

Flight Distance

Direct air line
11.28 mi
Kilometers
18.15 km
Flight Time
00h 01m

Driving Distance

Road route
28.94 mi
Kilometers
46.57 km
Drive Time
00h 39m

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 39m.

Arrival Snapshot
Arrive in Stonington
Sat, Apr 18, 9:09 AM CDT
Return by in Assumption
Sat, Apr 18, 9:48 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Assumption
2026-04-18T08:30
Arrive Stonington
Sat, Apr 18, 9:09 AM CDT
Route Timing
00h 39m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CDT
Leave when it suits your day
Arrive between
7:39 AM to 7:39 PM CDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:12 PM CDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Assumption
10:00 PM CDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Walker
IL

Human settlement in United States of America

From Assumption
14.5 mi
00h 19m
To Stonington
14.5 mi
00h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Saturday

Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM CDT
Wind
15 to 20 mph WSW
Destination
58°F
Saturday

Showers And Thunderstorms Likely

Starts
Sat, Apr 18 6:00 AM CDT
Wind
21 mph WNW

Driving Route Map

The map below follows the saved road route between Assumption and Stonington.

Turn-by-Turn Driving Directions

Step-by-step road directions between Assumption and Stonington.

  1. 1

    Start on East 1st Street

    32 m · 10 sec · East 1st Street

  2. 2

    Turn left onto North Oak Street

    1151 ft · 52 sec · North Oak Street

  3. 3

    At the end of the road, turn right onto East 1200 North Road

    2240 ft · 1 min · East 1200 North Road

  4. 4

    Continue on County Highway 6

    825 ft · 26 sec · County Highway 6

  5. 5

    Turn right onto North 2600 East Road

    2760 ft · 48 sec · North 2600 East Road

  6. 6

    Continue straight

    14.5 mi · 17 min

  7. 7

    Take the exit slight left

    142 m · 15 sec

  8. 8

    Continue on East Andrews Street Road

    6.1 mi · 10 min · East Andrews Street Road

  9. 9

    Turn left

    6.6 mi · 8 min

  10. 10

    Turn right onto West North Street

    829 ft · 29 sec · West North Street

  11. 11

    Turn left onto Anomynous Street

    82 m · 12 sec · Anomynous Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · Anomynous Street

Car Route Details

A richer read on the saved driving route between Assumption and Stonington.

OSRM road route
Drive Character

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.

Directions
12 steps
6 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
41.5 / 100 mi
Decision points by distance
Main Roads
North 2600 East Road
15.1 mi · 52%
East Andrews Street Road
6.14 mi · 21%
East 1200 North Road
0.42 mi · 1%
North Oak Street
0.22 mi · 1%
West North Street
0.16 mi · 1%
County Highway 6
0.16 mi · 1%
Longest Stretch

North 2600 East Road

Continue straight

14.5 mi · 00h 17m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 39m
Quick drive
Same-Day Return
01h 18m
Round-trip wheel time
Road vs Air
+17.8 mi
11.2 mi direct line
Halfway Stop
Walker
00h 19m from Assumption
Leave By
7:12 PM CDT
Flexible departure
Weather Watch

Showers And Thunderstorms leaving Assumption and Showers And Thunderstorms Likely near Stonington.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Assumption to Stonington?

The road trip is about 29 miles (46.6 km) and usually takes 00h 39m 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?

Walker is a useful midpoint, sitting about 14.5 miles from Assumption and 14.5 miles from Stonington.

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 17.8 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:12 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.85 one way or $7.69 round trip. Estimated CO2 is about 9.1 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Assumption and Showers And Thunderstorms Likely near Stonington.

Stop Ideas Near Walker

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Walker, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Walker.

RAIL

Springfield station

57 mi away
East Washington and North Third Sts.
RAIL

Mattoon station

58 mi away
1718 Broadway Ave.
RAIL

Lincoln

61 mi away
Broadway and North Chicago Sts.
RAIL

Effingham

74 mi away
401 West National Ave.

Flight Path Map

This map shows the direct air route between Assumption and Stonington. Straight-line distance: 11.28 mi (18.15 km).

Assumption

#1 Assumption

City in Christian County, Illinois, United States

Population1,056
Coordinates39.5203200, -89.0489700
Altitude197
CountryUnited States
Stonington

#2 Stonington

Township in Christian County, Illinois

Population835
Coordinates39.6400400, -89.1928600
Altitude186
CountryUnited States
Start: Assumption (-89.04897, 39.52032)
End: Stonington (-89.19286, 39.64004)

Estimated Travel Time

Distance: 47 km by road

SpeedTime
30 mph (48.3 km/h)00h 57m
40 mph (64.37 km/h)00h 43m
50 mph (80.47 km/h)00h 34m
60 mph (96.56 km/h)00h 28m
70 mph (112.65 km/h)00h 24m
80 mph (129 km/h)00h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.02 gal
3.87 L · about $3.85
Round trip
$7.69
2.04 gal · 7.74 L
Estimated CO2
9.1 kg one way
Round trip: 18.1 kg / 40 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $3.85 $7.69
Mid-grade $4.25 $4.34 $8.68
Premium $4.65 $4.75 $9.49
Diesel $5.30 $5.41 $10.82

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

There is no time difference between Assumption and Stonington. The current time is 08:30:34.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.