How far is Lee's Summit, MO from Union, MO?

The driving distance from Lee's Summit, MO to Union, MO is about 218.7 miles (351.9 km), with a travel time of about 04h 18m by car.

  • The straight-line flight distance is about 184.7 miles (297.3 km).
  • For a round trip, plan for roughly 08h 36m 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
218.69 mi
04h 18m
Flight
184.72 mi
297.28 km direct

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

Learn Distance

Choose another destination from Lee's Summit.

Flight Distance

Direct air line
184.72 mi
Kilometers
297.28 km
Flight Time
00h 22m

Driving Distance

Road route
218.69 mi
Kilometers
351.94 km
Drive Time
04h 18m

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 18m.

Arrival Snapshot
Arrive in Union
Thu, Apr 23, 10:32 AM CDT
Return by in Lee's Summit
Thu, Apr 23, 2:50 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lee's Summit
2026-04-23T06:14
Arrive Union
Thu, Apr 23, 10:32 AM CDT
Route Timing
04h 18m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:18 AM to 12:18 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
8:24 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Lee's Summit
9:00 PM CDT
Early departure recommended

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
Rocheport
MO

City in Missouri, United States

From Lee's Summit
109.2 mi
02h 09m
To Union
109.5 mi
02h 09m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
77°F
Thursday

Chance Showers And Thunderstorms

Starts
Thu, Apr 23 6:00 AM CDT
Wind
17 to 23 mph S
Destination
82°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Southwest 3rd Street

    1495 ft · 41 sec · Southwest 3rd Street

  2. 2

    Continue on Southeast 3rd Street

    109 m · 16 sec · Southeast 3rd Street

  3. 3

    Turn left onto Southeast Douglas Street

    2.2 mi · 4 min · Southeast Douglas Street

  4. 4

    Take the ramp right toward I 470 North: Independence, Saint Louis

    1160 ft · 28 sec

  5. 5

    Merge slight left onto I 470 North: Saint Louis

    7 mi · 8 min

  6. 6

    Take the exit slight right toward I 70 East: Saint Louis

    2063 ft · 44 sec

  7. 7

    Merge slight left onto Truman/Eisenhower Presidential Highway

    1.1 mi · 1 min · Truman/Eisenhower Presidential Highway

  8. 8

    Continue on Dwight D. Eisenhower Highway

    52.5 mi · 57 min · Dwight D. Eisenhower Highway

  9. 9

    Continue on U.S. Submarine Veterans' Memorial Highway

    32 mi · 34 min · U.S. Submarine Veterans' Memorial Highway

  10. 10

    Keep slight left to continue on U.S. Submarine Veterans' Memorial Highway

    22.4 mi · 24 min · U.S. Submarine Veterans' Memorial Highway

  11. 11

    Continue on Dwight D. Eisenhower Highway

    1.8 mi · 2 min · Dwight D. Eisenhower Highway

  12. 12

    Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway

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

  13. 13

    Continue on Sheriff Roger I. Wilson Memorial Highway

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

  14. 14

    Continue on Dwight D. Eisenhower Highway

    64.2 mi · 1 hr 13 min · Dwight D. Eisenhower Highway

  15. 15

    Take the exit slight right toward MO 47: Warrenton, Hawk Point

    908 ft · 19 sec

  16. 16

    Turn right

    29.9 mi · 45 min

  17. 17

    Turn right onto East Independence Drive

    63 m · 7 sec · East Independence Drive

  18. 18

    Turn left onto North Church Street

    1.1 km · 2 min · North Church Street

  19. 19

    Turn right onto East Park Avenue

    900 ft · 31 sec · East Park Avenue

  20. 20

    Turn left

    19 m · 5 sec

  21. 21

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
21 steps
6 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
9.6 / 100 mi
Decision points by distance
Main Roads
Dwight D. Eisenhower Highway
118 mi · 54%
U.S. Submarine Veterans' Memorial Highway
54.4 mi · 25%
I 470 North
7.22 mi · 3%
Southeast Douglas Street
2.2 mi · 1%
Sheriff Roger I. Wilson Memorial Highway
1.94 mi · 1%
Highway Patrol Sgt. Benjamin Booth Memorial High
1.58 mi · 1%
Longest Stretch

Dwight D. Eisenhower Highway

Continue on Dwight D. Eisenhower Highway

64.2 mi · 01h 13m

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 18m
Long day trip
Same-Day Return
08h 36m
Round-trip wheel time
Road vs Air
+34 mi
184.7 mi direct line
Halfway Stop
Rocheport
02h 09m from Lee's Summit
Leave By
8:24 AM CDT
Early departure recommended
Weather Watch

Chance Showers And Thunderstorms leaving Lee's Summit and Mostly Sunny near Union.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 218.7 miles (351.9 km) and usually takes 04h 18m 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?

Rocheport is a useful midpoint, sitting about 109.2 miles from Lee's Summit and 109.5 miles from Union.

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

The direct path is about 184.7 miles (297.3 km), while the road route adds roughly 34 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 8:24 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $29.11 one way or $58.22 round trip. Estimated CO2 is about 68.6 kg one way.

What should you check before leaving?

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

Stop Ideas Near Rocheport

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

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

RAIL

Jefferson City

56 mi away
101 Jefferson Street
RAIL

Sedalia

65 mi away
100 block of Main Street, through parking lot
RAIL

Hermann

103 mi away
Wharf & Gutenberg Sts.
RAIL

Warrensburg

105 mi away
100 South Holden St.

Flight Path Map

This map shows the direct air route between Lee's Summit and Union. Straight-line distance: 184.72 mi (297.28 km).

Lee's Summit

#1 Lee's Summit

The most populous city in Jackson County, Missouri.

Population101,467
Coordinates38.9108400, -94.3821700
Altitude316
CountryUnited States
Union

#2 Union

City in and county seat of Franklin County, Missouri, United States

Population12,094
Coordinates38.4500500, -91.0084800
Altitude162
CountryUnited States
Start: Lee's Summit (-94.38217, 38.91084)
End: Union (-91.00848, 38.45005)

Estimated Travel Time

Distance: 352 km by road

SpeedTime
30 mph (48.3 km/h)07h 17m
40 mph (64.37 km/h)05h 28m
50 mph (80.47 km/h)04h 22m
60 mph (96.56 km/h)03h 38m
70 mph (112.65 km/h)03h 07m
80 mph (129 km/h)02h 43m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.72 gal
29.21 L · about $29.11
Round trip
$58.22
15.44 gal · 58.42 L
Estimated CO2
68.6 kg one way
Round trip: 137.2 kg / 302 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $29.11 $58.22
Mid-grade $4.25 $32.83 $65.67
Premium $4.65 $35.93 $71.86
Diesel $5.30 $40.95 $81.89

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 Lee's Summit and Union. The current time is 06:14:17.

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.