Origin
St. Louis, MO
Late night in St. Louis on Saturday
Local time
12:02 AM
CDT
Current temp
74°F
Unavailable
Live forecast
Trip from St. Louis, MO to Saint Martins, MO
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
2h 47m
Distance
141 mi
227 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$22
one way
EV Charging
Unknown
Best Time to Leave
4 AM
2h 36m
★
6 AM
2h 47m
8 AM
3h 9m
10 AM
2h 55m
12 PM
2h 53m
3 PM
2h 56m
5 PM
3h 8m
8 PM
2h 41m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Saint Martins, MO
Abdulmomen Bsruki
Trip Overview
The drive from St. Louis, MO to Saint Martins, MO covers 141 miles and takes about 2h 47m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Dwight D Eisenhower Highway, US 54, Avenue of the Saints for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 61.6 miles on Dwight D Eisenhower Highway. At current regular gas prices, budget about $22.04 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
70.5 miles from St. Louis, MO
A natural place for your longest stop of the day , about 1h 25m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 47m. Total distance: 141 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
2h 47m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (31%). Some complex stretches to watch for.
Scenic Drive
Mixed drive route profile.
Drive Character
The drive from St. Louis, MO to Saint Martins, MO covers 141 miles and takes about 2h 47m, using a mix of highways and local roads.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 17 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Dwight D Eisenhower Highway is the longest continuous segment at about 61.6 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1.9 miles in near I 64; US 40 / Jack Buck Memorial Highway.
Driving Effort
7/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 12 significant decision points across 141 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 1.9 miles (I 64; US 40 / Jack Buck Memorial Highway): Merge point - match speed before joining. Lane positioning matters here; at 39.7 miles (US 40): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 101.9 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 12 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
1.9 mi into trip
|
~3m in
|
I 64; US 40 / Jack Buck Memorial Highway
Merge onto I 64; US 40 / Jack Buck Memorial Highway
Merge point - match speed before joining. Lane positioning matters here
Use the straight lane.
8
39.7 mi into trip
|
~50m in
|
US 40
Take the exit onto US 40 toward I 70 West, US 40 West: Kansas City
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight left lanes.
Exit 1A
Toward I 70 West, US 40 West: Kansas City
6
101.9 mi into trip
|
~2h 2m in
Take the exit toward US 54: Auxvasse, Mexico, Fulton
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 148
Toward US 54: Auxvasse, Mexico, Fulton
7
131.8 mi into trip
|
~2h 35m in
|
US 63
Keep slight left at fork onto US 63 toward US 63 South, US 50
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward US 63 South, US 50
8
131.9 mi into trip
|
~2h 35m in
Keep slight right at fork toward US 50 West: Sedalia
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward US 50 West: Sedalia
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between St. Louis, MO and Saint Martins, MO, road signs point toward Mexico and Fulton.
Mexico
101.9 mi in
|
~2h 2m
Fulton
101.9 mi in
|
~2h 2m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Dwight D Eisenhower Highway | 61.6 mi | 1h 10m |
| US 54 | 29.6 mi | 32m |
| Avenue of the Saints | 27.8 mi | 33m |
| US 50 | 7.6 mi | 8m |
| Daniel Boone Expressway | 5.7 mi | 7m |
| Jack Buck Memorial Highway | 4.3 mi | 5m |
| Market Street | 1.6 mi | 3m |
| Business 50 West | 0.7 mi | 1m |
Longest stretch:
Dwight D Eisenhower Highway
— 61.6 mi, about 1h 10m
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis, MO and Saint Martins, MO.
1
Start on Market Street
1.6 mi
·
3 min
·
Market Street
2
Take the ramp
0.3 mi
·
23 sec
Toward I 64 West, US 40 West: Wentzville
3
Merge onto I 64; US 40
4.3 mi
·
5 min
·
Jack Buck Memorial Highway
Use the straight lane.
4
Continue on I 64; US 40
5.7 mi
·
7 min
·
Daniel Boone Expressway
Use the straight lane.
5
Continue on I 64; US 40; US 61
28 mi
·
33 min
·
Avenue of the Saints
Use the straight lane.
6
Take the exit onto US 40
0.6 mi
·
1 min
·
US 40
Exit 1A
Toward I 70 West, US 40 West: Kansas City
Use the straight / slight left lanes.
7
Merge onto I 70; US 40
62 mi
·
1 hr 10 min
·
Dwight D Eisenhower Highway
8
Take the exit
0.2 mi
·
27 sec
Exit 148
Toward US 54: Auxvasse, Mexico, Fulton
9
Turn left onto US 54
30 mi
·
32 min
·
US 54
10
Take the exit onto US 63
217 ft
·
4 sec
·
US 63
Toward US 63 South, US 50
11
Keep slight left at fork onto US 63
0.1 mi
·
16 sec
·
US 63
Toward US 63 South, US 50
12
Keep slight right at fork
0.2 mi
·
29 sec
Toward US 50 West: Sedalia
Use the slight right lane.
13
Merge onto US 50
7.6 mi
·
8 min
·
US 50
14
Take the exit
0.4 mi
·
46 sec
Toward MO D, MO T: Saint Martins, Lohman
15
Turn right onto MO T
0.2 mi
·
20 sec
·
Lomo Drive
16
Turn left onto Business 50 West
0.7 mi
·
1 min
·
Business 50 West
17
Arrive at destination
Business 50 West
Trip Plan
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 70.5 miles from St. Louis, MO, or about 1h 25m into the drive.
The longest continuous stretch on this route runs about 61.6 miles.
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 31 miles or 39m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 70.5 miles or 1h 25m 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 17m
Traffic, exits, and arrival timing usually matter more near Saint Martins, MO than in the middle of the route.
Before You Leave
+
Open the route before leaving St. Louis, MO 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 St. Louis, MO
This is one driving day of about 141 miles and 2h 47m.
Your first comfortable stop window is around 31 miles from St. Louis, MO.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Dwight D Eisenhower Highway for about 61.6 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 70.5 mi from St. Louis, MO · 1h 25m into the drive
Mid-route town
Meal stop
71 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.
Pacing Suggestions
Fuel and coffee
A short stop after about 31 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 70.5 miles from St. Louis, MO, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Dwight D Eisenhower Highway if your tank is already low. That segment runs about 61.6 miles.
Arriving in Saint Martins, MO
The final approach into Saint Martins, MO 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 Martins, MO.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$22.04 one way
$44.09 round trip
$3.97/gal
25.4 MPG avg
49 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $24.20 | $48.41 |
| premium | $4.89 | $27.13 | $54.27 |
| diesel | $5.61 | $31.13 | $62.26 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$22
Meals
$25–$50
Total
$47–$72
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 49.3 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $15 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 42.3 | 0 | $14.80 | $6.77 |
| Efficient EV | 35.3 | 0 | $12.34 | $5.64 |
| EV Truck/SUV | 56.4 | 0 | $19.74 | $9.02 |
Gas CO2
49 kg
EV CO2
16 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.
Travel Intel
Current conditions at both ends of the drive.
Destination
Saint Martins, MO
Late night in Saint Martins on Saturday
Local time
12:02 AM
CDT
Current temp
57°F
Unavailable
Live forecast
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
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
17 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 47m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from St. Louis, MO to Saint Martins, MO covers 141 miles and takes about 2h 47m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Dwight D Eisenhower Highway, US 54, Avenue of the Saints. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 70.5 miles from St. Louis, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $22.04 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a demanding drive. With 12 significant decision points across 141 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 1.9 miles (I 64; US 40 / Jack Buck Memorial Highway): Merge point - match speed before joining. Lane positioning matters here; at 39.7 miles (US 40): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 101.9 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Between St. Louis, MO and Saint Martins, MO, road signs point toward Mexico and Fulton.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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