Origin
St. Louis, MO
Evening in St. Louis on Thursday
Local time
6:26 PM
CDT
Current temp
74°F
Unavailable
Live forecast
Trip from St. Louis, MO to Saint Johns, MO
Last recalculated Apr 16, 2026
Drive Time
21m
Distance
10.9 mi
17 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 19m
★
6 AM
0h 21m
8 AM
0h 25m
10 AM
0h 23m
12 PM
0h 22m
3 PM
0h 23m
5 PM
0h 25m
8 PM
0h 20m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Saint Johns, MO
Abdel Achkouk
Trip Overview
The drive from St. Louis, MO to Saint Johns, MO covers 10.9 miles and takes about 21m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Doctor Martin Luther King Drive, Saint Charles Rock Road, Market Street for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 4.7 miles on Doctor Martin Luther King Drive. At current regular gas prices, budget about $1.70 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 21m. Total distance: 10.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
21m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Drive Character
Expect a 21m drive with frequent turns across 10.9 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 10 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Doctor Martin Luther King Drive is the longest continuous segment at about 4.7 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes around 1.6 miles in near South Compton Avenue.
Driving Effort
4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 21m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 1.6 miles (South Compton Avenue): Navigation decision point; at 2.5 miles (MO D / Doctor Martin Luther King Drive): Lane positioning matters here; at 8.4 miles (MO 180 / Saint Charles Rock Road): Highway fork - watch signs carefully.
Critical Maneuvers
5 of 6 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
1.6 mi into trip
|
~3m in
|
South Compton Avenue
Turn right onto South Compton Avenue
Navigation decision point
5
2.5 mi into trip
|
~4m in
|
MO D / Doctor Martin Luther King Drive
Turn left onto MO D / Doctor Martin Luther King Drive
Lane positioning matters here
Use the straight / right lanes.
4
8.4 mi into trip
|
~15m in
|
MO 180 / Saint Charles Rock Road
Keep slight right at fork onto MO 180 / Saint Charles Rock Road
Highway fork - watch signs carefully
5
10.8 mi into trip
|
~20m in
|
Betty Lee Avenue
At end of road, turn left onto Betty Lee Avenue
Navigation decision point
4
10.8 mi into trip
|
~21m in
|
Hilleman Avenue
Turn right onto Hilleman Avenue
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Doctor Martin Luther King Drive | 4.7 mi | 8m |
| Saint Charles Rock Road | 3.1 mi | 5m |
| Market Street | 1.6 mi | 3m |
| South Compton Avenue | 0.9 mi | 1m |
| Walton Road | 0.5 mi | 1m |
| Betty Lee Avenue | <0.1 mi | <1m |
| Hilleman Avenue | <0.1 mi | <1m |
Longest stretch:
Doctor Martin Luther King Drive
— 4.7 mi, about 8m
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis, MO and Saint Johns, MO.
1
Start on Market Street
1.6 mi
·
3 min
·
Market Street
2
Turn right onto South Compton Avenue
0.9 mi
·
1 min
·
South Compton Avenue
3
Turn left onto MO D
0.1 mi
·
23 sec
·
Doctor Martin Luther King Drive
Use the straight / right lanes.
4
Continue on MO 180
4.6 mi
·
8 min
·
Doctor Martin Luther King Drive
Use the straight lane.
5
Continue on MO 180
1.2 mi
·
1 min
·
Saint Charles Rock Road
6
Keep slight right at fork onto MO 180
1.9 mi
·
3 min
·
Saint Charles Rock Road
7
Turn right onto Walton Road
0.5 mi
·
1 min
·
Walton Road
8
At end of road, turn left onto Betty Lee Avenue
457 ft
·
22 sec
·
Betty Lee Avenue
9
Turn right onto Hilleman Avenue
105 ft
·
4 sec
·
Hilleman Avenue
10
Arrive at destination
Hilleman Avenue
Fuel & Cost
Regular Gas
$1.70 one way
$3.41 round trip
$3.97/gal
25.4 MPG avg
4 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $1.87 | $3.74 |
| premium | $4.89 | $2.10 | $4.20 |
| diesel | $5.61 | $2.41 | $4.81 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 3.8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 75% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 3.3 | 0 | $1.14 | $0.52 |
| Efficient EV | 2.7 | 0 | $0.95 | $0.44 |
| EV Truck/SUV | 4.4 | 0 | $1.53 | $0.70 |
Gas CO2
4 kg
EV CO2
1 kg (75% 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 Johns, MO
Evening in Saint Johns on Thursday
Local time
6:26 PM
CDT
Current temp
78°F
Unavailable
Live forecast
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
4 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
21m 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 Johns, MO covers 10.9 miles and takes about 21m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Doctor Martin Luther King Drive, Saint Charles Rock Road, Market Street. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 5.4 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 $1.70 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 straightforward 21m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 1.6 miles (South Compton Avenue): Navigation decision point; at 2.5 miles (MO D / Doctor Martin Luther King Drive): Lane positioning matters here; at 8.4 miles (MO 180 / Saint Charles Rock Road): Highway fork - watch signs carefully.
The route from St. Louis, MO to Saint Johns, MO does not surface many named destination signs beyond the main corridor.
Yes. Nearby national parks include Gateway Arch National Park.
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