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Drive Time
3h 39m
Distance
200.4 mi
323 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$31
one way
EV Charging
None
0 DC fast
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Lenexa, KS
Wikimedia Commons
Saint Marys, KS
Jay Brand
The drive from Lenexa, KS to Saint Marys, KS covers 200.4 miles and takes about 3h 39m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 35, Vietnam Veterans Memorial Highway, South 247th Street West for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 171.6 miles on I 35. At current regular gas prices, budget about $31.33 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
100.2 miles from Lenexa, KS
A natural place for your longest stop of the day , about 1h 45m into the drive .
Loading map...
This is a 3h 39m highway drive covering 200.4 miles, with most of the trip on I 35 and Vietnam Veterans Memorial Highway. The longest continuous stretch is about 171.6 miles on I 35.
This is a straightforward highway drive that stays mostly on I 35 and Vietnam Veterans Memorial Highway. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive.
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 3h 39m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start: Navigation decision point; at 0.2 miles (Lenexa Drive): Navigation decision point; at 0.6 miles: Lane positioning matters here. Multiple destination signs - pick the right one.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn right
Navigation decision point
Turn right onto Lenexa Drive
Navigation decision point
Take the ramp toward I 35 South, US 56 West, US 169 South: Wichita
Lane positioning matters here. Multiple destination signs - pick the right one
Merge onto I 35; US 56; US 169
Merge point - match speed before joining. Lane positioning matters here
Take the exit toward US 54, US 400
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
| Road | Distance | Duration |
|---|---|---|
| I 35 | 171.6 mi | 2h 54m |
| Vietnam Veterans Memorial Highway | 23.7 mi | 30m |
| South 247th Street West | 3 mi | 7m |
| West 13th Street North | 0.8 mi | 3m |
| Lenexa Drive | 0.3 mi | 1m |
| West 95th Street | 0.2 mi | <1m |
| Rosehill Road | <0.1 mi | <1m |
Step-by-step road directions between Lenexa, KS and Saint Marys, KS.
Start on this road
Turn right
Turn left onto Rosehill Road
Turn right onto Lenexa Drive
Continue on Lenexa Drive
Turn right onto West 95th Street
Take the ramp
Merge onto I 35; US 56; US 169
Continue on I 35; US 50; US 56; US 169
Continue on I 35; US 50; US 59
Take the exit
Merge onto US 54; US 400
Turn right onto South 247th Street West
Turn left onto West 13th Street North
Arrive at destination
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 24m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 100.2 miles or 1h 45m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 49m
Traffic, exits, and arrival timing usually matter more near Saint Marys, KS than in the middle of the route.
Open the route before leaving Lenexa, KS so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Lenexa, KS
This is one driving day of about 200.4 miles and 3h 39m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 100.2 mi from Lenexa, KS · 1h 45m into the drive
Mid-route town
Meal stop
100 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 80 miles helps settle the day before fatigue starts building.
The midpoint is around 100.2 miles from Lenexa, KS, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 35 if your tank is already low. That segment runs about 171.6 miles.
The final approach into Saint Marys, KS usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Saint Marys, KS.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$31.33 one way
$62.66 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $34.40 | $68.80 |
| premium | $4.89 | $38.57 | $77.13 |
| diesel | $5.61 | $44.25 | $88.49 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$31
Meals
$25–$50
Total
$56–$81
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 70.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $21 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 60.1 | 0 | $21.04 | $9.62 |
| Efficient EV | 50.1 | 0 | $17.54 | $8.02 |
| EV Truck/SUV | 80.2 | 1 | $28.06 | $12.83 |
Gas CO2
70 kg
EV CO2
23 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Night in Lenexa on Tuesday
Local time
9:45 PM
CDT
Current temp
65°F
Chance Showers And Thunderstorms
Destination
Night in Saint Marys on Tuesday
Local time
9:45 PM
CDT
Current temp
81°F
Unavailable
52°F
Newton, KS
100 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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