How far is Saint Marys, KS from Lenexa, KS?
The driving distance from Saint Marys, KS to Lenexa, KS is about 202.2 miles (325.4 km), with a travel time of about 03h 05m by car.
- The straight-line flight distance is about 179.5 miles (288.9 km).
- For a round trip, plan for roughly 06h 11m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 05m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Human settlement in United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Slight Chance Drizzle then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Saint Marys and Lenexa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Lenexa.
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1
Start on West 13th Street North
1.3 km · 3 min · West 13th Street North
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2
Turn right onto North 247th Street West
3 mi · 7 min · North 247th Street West
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3
At the end of the road, turn left onto Vietnam Veterans Memorial Highway
23.5 mi · 30 min · Vietnam Veterans Memorial Highway
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4
Take the exit slight right toward I 35: Kansas Turnpike Toll, Kansas City, Oklahoma City
137 m · 11 sec
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5
Keep slight left
1.4 km · 2 min
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6
Merge slight left onto Kansas Turnpike
74.7 mi · 1 hr 15 min · Kansas Turnpike
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7
Keep slight right
95.5 mi · 1 hr 38 min
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8
Continue on I 35 North, US 56 East, US 169 North: Des Moines
1.6 mi · 2 min
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9
Take the exit slight right toward 95th Street
805 ft · 20 sec
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10
Keep slight right to continue on 95th Street, Pittsburgh State University, Brown Mackie College
90 m · 7 sec
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11
Turn straight onto West 95th Street
58 m · 4 sec · West 95th Street
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12
Turn slight right onto Lenexa Drive
1165 ft · 57 sec · Lenexa Drive
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13
Turn left onto Rosehill Road
152 m · 19 sec · Rosehill Road
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14
Turn right
22 m · 11 sec
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15
Turn left
78 m · 19 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Marys and Lenexa.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
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.
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.
Partly Cloudy leaving Saint Marys and Slight Chance Drizzle then Mostly Cloudy near Lenexa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Lenexa?
The road trip is about 202.2 miles (325.4 km) and usually takes 03h 05m 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?
Plymouth is a useful midpoint, sitting about 100.2 miles from Saint Marys and 102 miles from Lenexa.
How much longer is the road route than the straight-line distance?
The direct path is about 179.5 miles (288.9 km), while the road route adds roughly 22.7 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 10:48 AM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.29 one way or $54.58 round trip. Estimated CO2 is about 63.5 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 Lenexa.
Stop Ideas Near Plymouth
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Plymouth.
Topeka
Newton
Lawrence
Flight Path Map
This map shows the direct air route between Saint Marys and Lenexa. Straight-line distance: 179.54 mi (288.94 km).
#1 Saint Marys
Saint Marys is a place in Kansas, United States.
| Population | 0 |
| Coordinates | 37.7066800, -97.6400500 |
| Altitude | 461 |
| Country | United States |
#2 Lenexa
The most populous city in Johnson County, Kansas.
| Population | 56,156 |
| Coordinates | 38.9536200, -94.7335700 |
| Altitude | 314 |
| Country | United States |
End: (-94.73357, 38.953456)
Estimated Travel Time
Distance: 325 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 44m |
| 40 mph (64.37 km/h) | 05h 03m |
| 50 mph (80.47 km/h) | 04h 02m |
| 60 mph (96.56 km/h) | 03h 22m |
| 70 mph (112.65 km/h) | 02h 53m |
| 80 mph (129 km/h) | 02h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.82 | $27.29 | $54.58 |
| Mid-grade | $4.19 | $29.91 | $59.82 |
| Premium | $4.55 | $32.52 | $65.03 |
| Diesel | $5.92 | $42.28 | $84.55 |
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