How far is Lenexa, KS from Saint Marys, KS?
The driving distance from Lenexa, KS to Saint Marys, KS is about 86.1 miles (138.5 km), with a travel time of about 01h 43m by car.
- The straight-line flight distance is about 73.6 miles (118.5 km).
- For a round trip, plan for roughly 03h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
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 01h 43m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Township in Douglas County, Kansas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Lenexa and Saint Marys.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lenexa and Saint Marys.
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1
Start on the route
78 m · 21 sec
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2
Turn right
22 m · 10 sec
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3
Turn left onto Rosehill Road
152 m · 21 sec · Rosehill Road
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4
Turn right onto Lenexa Drive
635 ft · 31 sec · Lenexa Drive
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5
Continue on Lenexa Drive
757 ft · 34 sec · Lenexa Drive
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6
Turn right onto West 95th Street
1033 ft · 20 sec · West 95th Street
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7
Take the ramp slight left toward I 35 South, US 56 West, US 169 South: Wichita
908 ft · 22 sec
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8
Merge slight left
1.4 km · 60 sec
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9
Take the exit slight right toward I 435 West, KS 10 West
1.3 km · 1 min
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10
Keep slight left
2141 ft · 33 sec
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11
Keep slight left to continue on KS 10 West: Lawrence
1118 ft · 27 sec
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12
Continue straight
36.7 mi · 40 min
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13
Take the exit right
2384 ft · 1 min
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14
Merge slight left onto Kansas Turnpike
13.4 mi · 13 min · Kansas Turnpike
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15
Keep slight right to continue on Kansas Turnpike
1.5 km · 1 min · Kansas Turnpike
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16
Continue on Truman/Eisenhower Presidential Highway
8.4 mi · 10 min · Truman/Eisenhower Presidential Highway
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17
Take the exit slight right toward US 75 North: Holton
1443 ft · 35 sec
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18
Continue on Addy Westgate Memorial Bridge
1.6 mi · 2 min · Addy Westgate Memorial Bridge
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19
Take the exit slight right toward US 24 West: Manhattan
1194 ft · 29 sec
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20
Merge slight left
21 mi · 29 min
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21
Turn right onto North 6th Street
7 m · 1 sec · North 6th Street
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22
Arrive at your destination
0 m · 1 sec · North 6th Street
Car Route Details
A richer read on the saved driving route between Lenexa and Saint Marys.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
KS 10 West
Continue straight
36.7 mi · 00h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Showers And Thunderstorms Likely leaving Lenexa and Chance Rain Showers near Saint Marys.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lenexa to Saint Marys?
The road trip is about 86.1 miles (138.5 km) and usually takes 01h 43m 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?
Kanwaka is a useful midpoint, sitting about 42.9 miles from Lenexa and 43.1 miles from Saint Marys.
How much longer is the road route than the straight-line distance?
The direct path is about 73.6 miles (118.5 km), while the road route adds roughly 12.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.46 one way or $22.93 round trip. Estimated CO2 is about 27 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Lenexa and Chance Rain Showers near Saint Marys.
Stop Ideas Near Kanwaka
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 Kanwaka.
Lawrence
Topeka
Union Station
Independence
Flight Path Map
This map shows the direct air route between Lenexa and Saint Marys. Straight-line distance: 73.64 mi (118.52 km).
#1 Lenexa
The most populous city in Johnson County, Kansas.
| Population | 56,156 |
| Coordinates | 38.9536200, -94.7335700 |
| Altitude | 314 |
| Country | United States |
#2 Saint Marys
City in Pottawatomie and Wabaunsee couties in Kansas, United States
| Population | 2,652 |
| Coordinates | 39.1941600, -96.0711000 |
| Altitude | 291 |
| Country | United States |
End: Saint Marys (-96.0711, 39.19416)
Estimated Travel Time
Distance: 139 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 52m |
| 40 mph (64.37 km/h) | 02h 09m |
| 50 mph (80.47 km/h) | 01h 43m |
| 60 mph (96.56 km/h) | 01h 26m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.46 | $22.93 |
| Mid-grade | $4.25 | $12.93 | $25.86 |
| Premium | $4.65 | $14.15 | $28.30 |
| Diesel | $5.30 | $16.12 | $32.25 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.