Origin
Saint Charles, MO
Night in Saint Charles on Thursday
Local time
9:01 PM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Saint Charles, MO to Barnhart, MO
Last recalculated Apr 17, 2026
Drive Time
49m
Distance
37.4 mi
60 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$6
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 45m
★
6 AM
0h 50m
8 AM
0h 58m
10 AM
0h 52m
12 PM
0h 52m
3 PM
0h 53m
5 PM
0h 57m
8 PM
0h 47m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Saint Charles, MO
Wikimedia Commons
Barnhart, MO
Wikimedia Commons
Trip Overview
The drive from Saint Charles, MO to Barnhart, MO covers 37.4 miles and takes about 49m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 270, Police Officer Steven Jarvis Memorial Highway, I 70 for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 19 miles on I 270. At current regular gas prices, budget about $5.85 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 49m. Total distance: 37.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
49m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (59%). Some complex stretches to watch for.
Scenic Drive
Mixed drive route profile with national parks nearby.
Drive Character
The drive from Saint Charles, MO to Barnhart, MO covers 37.4 miles and takes about 49m, 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 21 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 270 is the longest continuous segment at about 19 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 0.4 miles in near MO 94 / South Fifth Street.
Driving Effort
10/10
Focused - lots of decisions in a short distance, but it is over quickly
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 14 decision points packed into just 37.4 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 49m.
Where does it get tricky?
The main spots that need attention: at 0.4 miles (MO 94 / South Fifth Street): Lane positioning matters here; at 4.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 4.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 14 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
0.4 mi into trip
|
~1m in
|
MO 94 / South Fifth Street
Turn left onto MO 94 / South Fifth Street
Lane positioning matters here
Use the straight / right lanes.
8
4.3 mi into trip
|
~7m in
Take the exit toward I 270: Chicago, Memphis
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 232
Toward I 270: Chicago, Memphis
7
4.5 mi into trip
|
~8m in
Keep slight right at fork toward I 270 South: Memphis
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 270 South: Memphis
8
24.1 mi into trip
|
~32m in
Take the exit toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 1A
Toward I 55, US 61, US 67: Saint Louis, Memphis...
8
35.9 mi into trip
|
~46m in
Take the exit toward MO M: Barnhart, Antonia
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 185
Toward MO M: Barnhart, Antonia
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Saint Charles, MO to Barnhart, MO, road signs begin pointing toward Memphis along the way.
Memphis
4.3 mi in
|
~7m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 270 | 19 mi | 23m |
| Police Officer Steven Jarvis Memorial Highway | 7.7 mi | 8m |
| I 70 | 2.7 mi | 3m |
| Officer Thomas G. Smith, Jr. Memorial Highway | 1.8 mi | 2m |
| Rosa Parks Highway | 1.5 mi | 1m |
| South Fifth Street | 1.1 mi | 2m |
| MO M | 0.7 mi | 1m |
| US 61 | 0.2 mi | <1m |
Longest stretch:
I 270
— 19 mi, about 23m
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles, MO and Barnhart, MO.
1
Start on North Second Street
0.2 mi
·
38 sec
·
North Second Street
2
Turn right onto Jefferson Street
0.2 mi
·
44 sec
·
Jefferson Street
3
Turn left onto MO 94
1.1 mi
·
2 min
·
South Fifth Street
Use the straight / right lanes.
4
Take the ramp
0.2 mi
·
14 sec
Toward I 70 East
Use the left / straight lanes.
5
Merge onto I 70
2.7 mi
·
3 min
·
I 70
6
Take the exit
0.2 mi
·
12 sec
Exit 232
Toward I 270: Chicago, Memphis
Use the slight right lane.
7
Keep slight right at fork
0.4 mi
·
33 sec
Toward I 270 South: Memphis
Use the slight right lane.
8
Continue on this road
0.1 mi
·
10 sec
·
this road
Exit 232
Toward I 270 South: Memphis
9
Merge onto I 270
19 mi
·
23 min
·
I 270
Use the straight lane.
10
Take the exit
0.4 mi
·
27 sec
Exit 1A
Toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road
Use the straight / slight right lanes.
11
Keep slight right at fork
0.4 mi
·
43 sec
Toward I 55 South: Memphis
12
Merge onto I 55
1.5 mi
·
1 min
·
Rosa Parks Highway
13
Continue on I 55
1.8 mi
·
2 min
·
Officer Thomas G. Smith, Jr. Memorial Highway
14
Continue on I 55
7.7 mi
·
8 min
·
Police Officer Steven Jarvis Memorial Highway
15
Take the exit
0.4 mi
·
49 sec
Exit 185
Toward MO M: Barnhart, Antonia
Use the straight / slight right lanes.
16
Turn left onto MO M
0.7 mi
·
1 min
·
MO M
Use the left lane.
17
Turn right onto US 61; US 67
0.2 mi
·
24 sec
·
US 61; US 67
18
Continue on East Street
0.2 mi
·
36 sec
·
East Street
19
Turn right onto Willing Street
133 ft
·
11 sec
·
Willing Street
20
Turn left onto East Street
314 ft
·
13 sec
·
East Street
21
Arrive at destination
East Street
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 18.7 mi from Saint Charles, MO · 25m into the drive
Mid-route town
Meal stop
19 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 37 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 18.7 miles from Saint Charles, MO, which is a good place for a longer meal and fuel stop.
Arriving in Barnhart, MO
Allow a few extra minutes for the final approach into Barnhart, MO if you are unfamiliar with the area.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$5.85 one way
$11.69 round trip
$3.97/gal
25.4 MPG avg
13 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $6.42 | $12.84 |
| premium | $4.89 | $7.20 | $14.39 |
| diesel | $5.61 | $8.26 | $16.51 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$6
Estimated CO2 emission: 13.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 69% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 11.2 | 0 | $3.93 | $1.80 |
| Efficient EV | 9.4 | 0 | $3.27 | $1.50 |
| EV Truck/SUV | 15 | 0 | $5.24 | $2.39 |
Gas CO2
13 kg
EV CO2
4 kg (69% 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
Barnhart, MO
Night in Barnhart on Thursday
Local time
9:01 PM
CDT
Current temp
57°F
Unavailable
Live forecast
80°F
Fenton, MO
19 mi in
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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
49m 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 Saint Charles, MO to Barnhart, MO covers 37.4 miles and takes about 49m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 270, Police Officer Steven Jarvis Memorial Highway, I 70. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 18.7 miles from Saint Charles, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $5.85 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.
This is a short but busy drive. With 14 decision points packed into just 37.4 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 49m.
The main spots that need attention: at 0.4 miles (MO 94 / South Fifth Street): Lane positioning matters here; at 4.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 4.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
On the drive from Saint Charles, MO to Barnhart, MO, road signs begin pointing toward Memphis along the way.
Yes. Nearby national parks include Gateway Arch National Park.
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