How far is Saint Marys, KS from Overland Park, KS?

The driving distance from Saint Marys, KS to Overland Park, KS is about 205.9 miles (331.4 km), with a travel time of about 03h 12m by car.

  • The straight-line flight distance is about 183.4 miles (295.2 km).
  • For a round trip, plan for roughly 06h 25m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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
205.91 mi
03h 12m
Flight
183.44 mi
295.22 km direct

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

Learn Distance

Choose another destination from Saint Marys.

Flight Distance

Direct air line
183.44 mi
Kilometers
295.22 km
Flight Time
00h 22m

Driving Distance

Road route
205.91 mi
Kilometers
331.38 km
Drive Time
03h 12m

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 03h 12m.

Arrival Snapshot
Arrive in Overland Park
Fri, Nov 6, 4:53 PM CST
Return by in Saint Marys
Fri, Nov 6, 8:06 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Marys
2026-11-06T13:41
Arrive Overland Park
Fri, Nov 6, 4:53 PM CST
Route Timing
03h 12m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CST
Leave early for more breathing room
Arrive between
9:13 AM to 11:13 AM CST

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

Leave by
10:34 AM CST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Saint Marys
9:00 PM CST
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
Emporia
KS

County seat of Lyon County, Kansas, United States

From Saint Marys
102.1 mi
01h 36m
To Overland Park
103.8 mi
01h 36m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
39°F
Overnight

Partly Cloudy

Starts
Fri, Nov 6 1:00 AM CST
Wind
7 mph NNE
Destination
51°F
Friday

Slight Chance Drizzle then Mostly Cloudy

Starts
Fri, Nov 6 6:00 AM CST
Wind
7 mph N

Driving Route Map

The map below follows the saved road route between Saint Marys and Overland Park.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Marys and Overland Park.

  1. 1

    Start on West 13th Street North

    1.3 km · 3 min · West 13th Street North

  2. 2

    Turn right onto North 247th Street West

    3 mi · 7 min · North 247th Street West

  3. 3

    At the end of the road, turn left onto Vietnam Veterans Memorial Highway

    23.5 mi · 30 min · Vietnam Veterans Memorial Highway

  4. 4

    Take the exit slight right toward I 35: Kansas Turnpike Toll, Kansas City, Oklahoma City

    137 m · 11 sec

  5. 5

    Keep slight left

    1.4 km · 2 min

  6. 6

    Merge slight left onto Kansas Turnpike

    74.7 mi · 1 hr 15 min · Kansas Turnpike

  7. 7

    Keep slight right

    95.5 mi · 1 hr 38 min

  8. 8

    Continue on I 35 North, US 56 East, US 169 North: Des Moines

    2.6 mi · 3 min

  9. 9

    Take the exit slight right toward 75th Street, 87th Street Parkway

    850 ft · 21 sec

  10. 10

    Keep slight right to continue on 87th Street Parkway

    1313 ft · 32 sec

  11. 11

    Turn straight onto West 87th Street

    1.5 mi · 3 min · West 87th Street

  12. 12

    Continue on Santa Fe Drive

    1.1 mi · 2 min · Santa Fe Drive

  13. 13

    Turn right onto Newton Street

    157 m · 29 sec · Newton Street

  14. 14

    Turn left onto Valley View Drive

    761 ft · 29 sec · Valley View Drive

  15. 15

    Turn left onto Overland Park Drive

    82 m · 15 sec · Overland Park Drive

  16. 16

    Turn right onto West 81st Street

    71 m · 11 sec · West 81st Street

  17. 17

    Turn right

    41 m · 10 sec

  18. 18

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Saint Marys and Overland Park.

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
18 steps
10 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
8.7 / 100 mi
Decision points by distance
Main Roads
Kansas Turnpike
170 mi · 83%
Vietnam Veterans Memorial Highway
23.5 mi · 11%
North 247th Street West
2.99 mi · 1%
I 35 North
2.58 mi · 1%
West 87th Street
1.47 mi · 1%
Santa Fe Drive
1.12 mi · 1%
Longest Stretch

Kansas Turnpike

Keep slight right

95.5 mi · 01h 38m

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
03h 12m
Long day trip
Same-Day Return
06h 26m
Round-trip wheel time
Road vs Air
+22.5 mi
183.4 mi direct line
Halfway Stop
Emporia
01h 36m from Saint Marys
Leave By
10:34 AM CST
Early departure recommended
Weather Watch

Partly Cloudy leaving Saint Marys and Slight Chance Drizzle then Mostly Cloudy near Overland Park.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Marys to Overland Park?

The road trip is about 205.9 miles (331.4 km) and usually takes 03h 12m 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?

Emporia is a useful midpoint, sitting about 102.1 miles from Saint Marys and 103.8 miles from Overland Park.

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

The direct path is about 183.4 miles (295.2 km), while the road route adds roughly 22.5 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 CST. If you want a more comfortable same-day return, try to leave by 10:34 AM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $27.75 one way or $55.50 round trip. Estimated CO2 is about 64.5 kg one way.

What should you check before leaving?

Before you leave, expect Partly Cloudy around Saint Marys and Slight Chance Drizzle then Mostly Cloudy near Overland Park.

Stop Ideas Near Emporia

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

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

RAIL

Topeka

85 mi away
500 SE Holliday Place
RAIL

Lawrence

104 mi away
413 East 7th Street
RAIL

Newton

109 mi away
414 North Main St.

Flight Path Map

This map shows the direct air route between Saint Marys and Overland Park. Straight-line distance: 183.44 mi (295.22 km).

Photo coming soon

#1 Saint Marys

Saint Marys is a place in Kansas, United States.

Population0
Coordinates37.7066800, -97.6400500
Altitude461
CountryUnited States
Overland Park

#2 Overland Park

The second most populous city in Johnson County, Kansas.

Population197,381
Coordinates38.9822300, -94.6707900
Altitude329
CountryUnited States
Start: West 13th Street North (-97.640055, 37.70695)
End: (-94.670541, 38.98229)

Estimated Travel Time

Distance: 331 km by road

SpeedTime
30 mph (48.3 km/h)06h 51m
40 mph (64.37 km/h)05h 08m
50 mph (80.47 km/h)04h 07m
60 mph (96.56 km/h)03h 25m
70 mph (112.65 km/h)02h 56m
80 mph (129 km/h)02h 34m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.26 gal
27.5 L · about $27.75
Round trip
$55.50
14.52 gal · 55 L
Estimated CO2
64.5 kg one way
Round trip: 129 kg / 284 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.82 $27.75 $55.50
Mid-grade $4.19 $30.41 $60.82
Premium $4.55 $33.06 $66.12
Diesel $5.92 $42.99 $85.97

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 Kansas · Nov 06, 2026

There is no time difference between Saint Marys and Overland Park. The current time is 13:41:19.

Distance to Other Cities

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