How far is Shannon, IL from Marcus, IL?

The driving distance from Shannon, IL to Marcus, IL is about 32.7 miles (52.6 km), with a travel time of about 00h 51m by car.

  • The straight-line flight distance is about 23.4 miles (37.6 km).
  • For a round trip, plan for roughly 01h 43m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
32.69 mi
00h 51m
Flight
23.36 mi
37.6 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Shannon.

Flight Distance

Direct air line
23.36 mi
Kilometers
37.6 km
Flight Time
00h 02m

Driving Distance

Road route
32.69 mi
Kilometers
52.61 km
Drive Time
00h 51m

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 51m.

Arrival Snapshot
Arrive in Marcus
Wed, Apr 15, 11:04 PM CDT
Return by in Shannon
Wed, Apr 15, 11:56 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Shannon
2026-04-15T22:13
Arrive Marcus
Wed, Apr 15, 11:04 PM CDT
Route Timing
00h 51m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
8:52 AM to 10:52 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:46 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Shannon
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Mount Carroll
IL

City in Illinois

From Shannon
16.3 mi
00h 25m
To Marcus
16.3 mi
00h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
71°F
Wednesday

Chance Showers And Thunderstorms

Starts
Wed, Apr 15 6:00 AM CDT
Wind
15 mph SW
Destination
71°F
Wednesday

Chance Showers And Thunderstorms

Starts
Wed, Apr 15 6:00 AM CDT
Wind
10 mph SW

Driving Route Map

The map below follows the saved road route between Shannon and Marcus.

Turn-by-Turn Driving Directions

Step-by-step road directions between Shannon and Marcus.

  1. 1

    Start on West Market Street

    4.3 mi · 6 min · West Market Street

  2. 2

    Turn left

    4.1 mi · 6 min

  3. 3

    Turn right onto Chambers Road

    17.6 mi · 27 min · Chambers Road

  4. 4

    Continue on Main Street

    6 mi · 9 min · Main Street

  5. 5

    Turn sharp left onto Marcus Road

    2404 ft · 2 min · Marcus Road

  6. 6

    Continue on Marcus Road

    1013 ft · 45 sec · Marcus Road

  7. 7

    Arrive at your destination

    0 m · 1 sec · Marcus Road

Car Route Details

A richer read on the saved driving route between Shannon and Marcus.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
7 steps
3 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
21.4 / 100 mi
Decision points by distance
Main Roads
Chambers Road
17.6 mi · 54%
Main Street
5.98 mi · 18%
West Market Street
4.31 mi · 13%
Marcus Road
0.65 mi · 2%
Longest Stretch

Chambers Road

Turn right onto Chambers Road

17.6 mi · 00h 27m

Route Summary

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

Trip Read

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.

Drive Time
00h 51m
Day trip friendly
Same-Day Return
01h 44m
Round-trip wheel time
Road vs Air
+9.3 mi
23.4 mi direct line
Halfway Stop
Mount Carroll
00h 25m from Shannon
Leave By
4:46 PM CDT
Morning start is best
Weather Watch

Chance Showers And Thunderstorms leaving Shannon and Chance Showers And Thunderstorms near Marcus.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Shannon to Marcus?

The road trip is about 32.7 miles (52.6 km) and usually takes 00h 51m 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?

Mount Carroll is a useful midpoint, sitting about 16.3 miles from Shannon and 16.3 miles from Marcus.

How much longer is the road route than the straight-line distance?

The direct path is about 23.4 miles (37.6 km), while the road route adds roughly 9.3 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 4:46 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.34 one way or $8.67 round trip. Estimated CO2 is about 10.2 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms around Shannon and Chance Showers And Thunderstorms near Marcus.

Stop Ideas Near Mount Carroll

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

Mid-route Guidance
Local place coverage is thin around Mount Carroll, 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 Mount Carroll.

BUS

Davenport, Iowa

81 mi away
304 West River Drive
BUS

Rock Island, IL

81 mi away
3500 5th Avenue
BUS

Moline, Illinois

84 mi away
1200 River Drive
BUS

Rockford, Illinois

84 mi away
7559 Walton St.

Flight Path Map

This map shows the direct air route between Shannon and Marcus. Straight-line distance: 23.36 mi (37.6 km).

Photo coming soon

#1 Shannon

Village in Carroll County, Illinois, USA

Population684
Coordinates42.1547500, -89.7398400
Altitude279
CountryUnited States
Photo coming soon

#2 Marcus

Marcus is a place in Illinois, United States.

Population0
Coordinates42.1583500, -90.1959600
Altitude185
CountryUnited States
Start: Shannon (-89.73984, 42.15475)
End: Marcus (-90.19596, 42.15835)

Estimated Travel Time

Distance: 53 km by road

SpeedTime
30 mph (48.3 km/h)01h 05m
40 mph (64.37 km/h)00h 49m
50 mph (80.47 km/h)00h 39m
60 mph (96.56 km/h)00h 32m
70 mph (112.65 km/h)00h 28m
80 mph (129 km/h)00h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.15 gal
4.37 L · about $4.34
Round trip
$8.67
2.3 gal · 8.74 L
Estimated CO2
10.2 kg one way
Round trip: 20.4 kg / 45 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $4.34 $8.67
Mid-grade $4.25 $4.89 $9.78
Premium $4.65 $5.35 $10.70
Diesel $5.30 $6.10 $12.20

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 16, 2026

There is no time difference between Shannon and Marcus. The current time is 22:13:06.

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.