How far is Saint Marys, KS from Overland Park, KS?
The driving distance from Saint Marys, KS to Overland Park, KS is about 91.7 miles (147.6 km), with a travel time of about 01h 32m by car.
- The straight-line flight distance is about 76.5 miles (123.1 km).
- For a round trip, plan for roughly 03h 05m 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 32m.
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.
Sunny
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.
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1
Start on North 6th Street
7 m · 6 sec · North 6th Street
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2
Turn left onto West Bertrand Avenue
12.9 mi · 18 min · West Bertrand Avenue
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3
Continue on West Railroad Street
1079 ft · 46 sec · West Railroad Street
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4
Continue on South Chestnut Street
7.4 mi · 10 min · South Chestnut Street
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5
Take the exit slight right
2111 ft · 52 sec
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6
Merge slight left
1.2 mi · 1 min
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7
Keep slight left to continue on I 70 East, US 40 East, KS 4 East: Kansas City, Gage Boulevard
1621 ft · 36 sec
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8
Keep slight left to continue on I-70 East, Kansas City
1046 ft · 25 sec
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9
Merge slight left onto Truman/Eisenhower Presidential Highway
7.3 mi · 9 min · Truman/Eisenhower Presidential Highway
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10
Keep slight left to continue on Truman/Eisenhower Presidential Highway
1.2 km · 52 sec · Truman/Eisenhower Presidential Highway
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11
Continue on Kansas Turnpike
51.8 mi · 53 min · Kansas Turnpike
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12
Take the exit slight right toward I 635 South
2322 ft · 30 sec
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13
Merge slight left onto Harry Darby Memorial Highway
4.4 mi · 5 min · Harry Darby Memorial Highway
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14
Continue on Metcalf Avenue
1.6 mi · 2 min · Metcalf Avenue
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15
Keep slight left to continue on Metcalf Avenue
2.3 mi · 5 min · Metcalf Avenue
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16
Turn right onto West 80th Street
662 ft · 33 sec · West 80th Street
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17
Turn left onto Marty Street
147 m · 23 sec · Marty Street
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18
Turn right onto West 81st Street
56 m · 15 sec · West 81st Street
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19
Turn left
41 m · 10 sec
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20
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.
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
Continue on Kansas Turnpike
51.8 mi · 00h 53m
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.
Sunny leaving Saint Marys and Sunny 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 91.7 miles (147.6 km) and usually takes 01h 32m 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 45.7 miles from Saint Marys and 46 miles from Overland Park.
How much longer is the road route than the straight-line distance?
The direct path is about 76.5 miles (123.1 km), while the road route adds roughly 15.2 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:24 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.22 one way or $24.44 round trip. Estimated CO2 is about 28.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Marys and Sunny near Overland Park.
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 Saint Marys and Overland Park. Straight-line distance: 76.51 mi (123.13 km).
#1 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 |
#2 Overland Park
The second most populous city in Johnson County, Kansas.
| Population | 197,381 |
| Coordinates | 38.9822300, -94.6707900 |
| Altitude | 329 |
| Country | United States |
End: (-94.670541, 38.98229)
Estimated Travel Time
Distance: 148 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 03m |
| 40 mph (64.37 km/h) | 02h 17m |
| 50 mph (80.47 km/h) | 01h 50m |
| 60 mph (96.56 km/h) | 01h 31m |
| 70 mph (112.65 km/h) | 01h 18m |
| 80 mph (129 km/h) | 01h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $12.22 | $24.44 |
| Mid-grade | $4.25 | $13.78 | $27.56 |
| Premium | $4.65 | $15.08 | $30.16 |
| Diesel | $5.30 | $17.18 | $34.37 |
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.