How far is Flat River, MO from Lee's Summit, MO?

The driving distance from Flat River, MO to Lee's Summit, MO is about 260 miles (418.5 km), with a travel time of about 04h 43m by car.

  • The straight-line flight distance is about 221.8 miles (356.9 km).
  • For a round trip, plan for roughly 09h 27m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
260.07 mi
04h 43m
Flight
221.8 mi
356.95 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Flat River.

Flight Distance

Direct air line
221.8 mi
Kilometers
356.95 km
Flight Time
00h 26m

Driving Distance

Road route
260.07 mi
Kilometers
418.54 km
Drive Time
04h 43m

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 43m.

Arrival Snapshot
Arrive in Lee's Summit
Thu, Apr 23, 6:56 AM CDT
Return by in Flat River
Thu, Apr 23, 11:40 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Flat River
2026-04-23T02:12
Arrive Lee's Summit
Thu, Apr 23, 6:56 AM CDT
Route Timing
04h 43m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:44 AM to 12:44 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:32 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Flat River
9:00 PM CDT
Early departure recommended

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
Kingdom City
MO

Human settlement in Callaway County, Missouri, United States of America

From Flat River
147.9 mi
02h 21m
To Lee's Summit
112.2 mi
02h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
6 to 14 mph S
Destination
77°F
Thursday

Chance Showers And Thunderstorms

Starts
Thu, Apr 23 6:00 AM CDT
Wind
17 to 23 mph S

Driving Route Map

The map below follows the saved road route between Flat River and Lee's Summit.

Turn-by-Turn Driving Directions

Step-by-step road directions between Flat River and Lee's Summit.

  1. 1

    Start on Crane Street

    93 m · 9 sec · Crane Street

  2. 2

    Turn right onto East Main Street

    723 ft · 14 sec · East Main Street

  3. 3

    Keep slight right to continue on West Main Street

    697 ft · 17 sec · West Main Street

  4. 4

    Turn right onto Coffman Street

    116 m · 8 sec · Coffman Street

  5. 5

    Turn slight left onto Taylor Avenue

    1.4 km · 2 min · Taylor Avenue

  6. 6

    Continue on South Desloge Drive

    2 mi · 3 min · South Desloge Drive

  7. 7

    Take the ramp left toward US 67 North: Saint Louis

    877 ft · 22 sec

  8. 8

    Merge slight left

    26.3 mi · 30 min

  9. 9

    Keep slight right

    1750 ft · 27 sec

  10. 10

    Take the exit straight toward I 55 North: Saint Louis

    1735 ft · 49 sec

  11. 11

    Merge slight left

    20.5 mi · 22 min

  12. 12

    Continue on Rosa Parks Highway

    1.3 mi · 2 min · Rosa Parks Highway

  13. 13

    Take the exit slight right toward I 270 West, I 255 East: Kansas City, Chicago

    1279 ft · 27 sec

  14. 14

    Keep slight left to continue on I 270 West: Kansas City

    118 m · 8 sec

  15. 15

    Continue on I 270 West

    1.2 km · 1 min

  16. 16

    Merge slight left

    11.5 mi · 14 min

  17. 17

    Take the exit slight right toward I 64, US 40, US 61: Wentzville, Saint Louis

    705 ft · 17 sec

  18. 18

    Keep slight left to continue on I 64 West, US 40 West, US 61 North: Wentzville

    2009 ft · 49 sec

  19. 19

    Continue on I 64 West, US 40 West, US 61 North: Wentzville

    674 ft · 10 sec

  20. 20

    Merge slight left onto Avenue of the Saints

    25.4 mi · 31 min · Avenue of the Saints

  21. 21

    Take the exit slight left toward I 70 West, US 40 West: Kansas City

    3047 ft · 1 min

  22. 22

    Merge slight left onto Dwight D Eisenhower Highway

    80.7 mi · 1 hr 35 min · Dwight D Eisenhower Highway

  23. 23

    Continue on Sheriff Roger I. Wilson Memorial Highway

    2 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway

  24. 24

    Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway

    1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway

  25. 25

    Continue on Dwight D. Eisenhower Highway

    1.8 mi · 2 min · Dwight D. Eisenhower Highway

  26. 26

    Continue on U.S. Submarine Veterans' Memorial Highway

    54.4 mi · 58 min · U.S. Submarine Veterans' Memorial Highway

  27. 27

    Continue on Dwight D. Eisenhower Highway

    52.5 mi · 57 min · Dwight D. Eisenhower Highway

  28. 28

    Continue on Truman/Eisenhower Presidential Highway

    1.6 mi · 2 min · Truman/Eisenhower Presidential Highway

  29. 29

    Take the exit slight right toward I 470 South, MO 291 South: Lee's Summit

    1418 ft · 40 sec

  30. 30

    Merge slight left

    6.4 mi · 8 min

  31. 31

    Keep slight left to continue on MO 291 South: Harrisonville

    2.5 mi · 4 min

  32. 32

    Turn right onto Southeast 3rd Street

    1.4 km · 2 min · Southeast 3rd Street

  33. 33

    Continue on Southwest 3rd Street

    1495 ft · 38 sec · Southwest 3rd Street

  34. 34

    Arrive at your destination

    0 m · 1 sec · Southwest 3rd Street

Car Route Details

A richer read on the saved driving route between Flat River and Lee's Summit.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
34 steps
4 turns on the saved route
Ramps & Exits
12
6 merges, 6 ramps or exits
Navigation Density
13.1 / 100 mi
Decision points by distance
Main Roads
Dwight D Eisenhower Highway
80.7 mi · 31%
U.S. Submarine Veterans' Memorial Highway
54.4 mi · 21%
Dwight D. Eisenhower Highway
54.3 mi · 21%
US 67 North
26.8 mi · 10%
Avenue of the Saints
25.4 mi · 10%
I 55 North
20.9 mi · 8%
Longest Stretch

Dwight D Eisenhower Highway

Merge slight left onto Dwight D Eisenhower Highway

80.7 mi · 01h 35m

Route Summary

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

Trip Read

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.

Drive Time
04h 43m
Long day trip
Same-Day Return
09h 28m
Round-trip wheel time
Road vs Air
+38.2 mi
221.8 mi direct line
Halfway Stop
Kingdom City
02h 21m from Flat River
Leave By
7:32 AM CDT
Early departure recommended
Weather Watch

Sunny leaving Flat River and Chance Showers And Thunderstorms near Lee's Summit.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Flat River to Lee's Summit?

The road trip is about 260 miles (418.5 km) and usually takes 04h 43m 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?

Kingdom City is a useful midpoint, sitting about 147.9 miles from Flat River and 112.2 miles from Lee's Summit.

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

The direct path is about 221.8 miles (356.9 km), while the road route adds roughly 38.2 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 7:32 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $34.62 one way or $69.24 round trip. Estimated CO2 is about 81.6 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Flat River and Chance Showers And Thunderstorms near Lee's Summit.

Stop Ideas Near Kingdom City

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

Mid-route Guidance
Local place coverage is thin around Kingdom City, 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 Kingdom City.

RAIL

Jefferson City

46 mi away
101 Jefferson Street
RAIL

Hermann

52 mi away
Wharf & Gutenberg Sts.
RAIL

Washington

91 mi away
301 West Front St.
RAIL

Sedalia

115 mi away
100 block of Main Street, through parking lot

Flight Path Map

This map shows the direct air route between Flat River and Lee's Summit. Straight-line distance: 221.8 mi (356.95 km).

Flat River

#1 Flat River

River in Michigan, United States of America

Population5,157
Coordinates37.8500500, -90.5167900
Altitude219
CountryUnited States
Lee's Summit

#2 Lee's Summit

The most populous city in Jackson County, Missouri.

Population101,467
Coordinates38.9108400, -94.3821700
Altitude316
CountryUnited States
Start: Crane Street (-90.515864, 37.849621)
End: Southwest 3rd Street (-94.382168, 38.910873)

Estimated Travel Time

Distance: 419 km by road

SpeedTime
30 mph (48.3 km/h)08h 39m
40 mph (64.37 km/h)06h 30m
50 mph (80.47 km/h)05h 12m
60 mph (96.56 km/h)04h 20m
70 mph (112.65 km/h)03h 42m
80 mph (129 km/h)03h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.18 gal
34.74 L · about $34.62
Round trip
$69.24
18.36 gal · 69.48 L
Estimated CO2
81.6 kg one way
Round trip: 163.2 kg / 360 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $34.62 $69.24
Mid-grade $4.25 $39.04 $78.09
Premium $4.65 $42.72 $85.45
Diesel $5.30 $48.69 $97.38

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 Missouri · Apr 23, 2026

There is no time difference between Flat River and Lee's Summit. The current time is 02:12:59.

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.