Origin
Weldon Spring, MO
Evening in Weldon Spring on Wednesday
Local time
7:00 PM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Weldon Spring, MO to St. Louis, MO
Last recalculated Apr 16, 2026
Drive Time
38m
Distance
30 mi
48 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
Best Time to Leave
4 AM
0h 35m
★
6 AM
0h 39m
8 AM
0h 45m
10 AM
0h 41m
12 PM
0h 40m
3 PM
0h 41m
5 PM
0h 45m
8 PM
0h 37m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Weldon Spring, MO
Wikimedia Commons
Trip Overview
If you are looking for a quick transition from the quiet outskirts of Weldon Spring to the heart of St. Louis, this 30.1-mile journey is an efficient choice. You can easily complete the trip in about 30 minutes, making it a perfect day trip for commuters or weekend explorers. Because the duration is so short, there is no need to plan for overnight stays or complex logistics. Budgeting around $4 for fuel should be sufficient to cover the distance, keeping your travel costs minimal. Since both locations are situated within the Midwest, you will find the transition between these Missouri points familiar and straightforward. It is a practical route for those who value speed and simplicity over a long-haul adventure.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
This drive is short enough that no stops are needed.
Midpoint
15 miles from Weldon Spring, MO
A natural place for your longest stop of the day , about 18m into the drive .
Drive Character
Expect a turn-heavy local drive that demands your focus as you navigate away from Weldon Spring. While your route incorporates Weldon Spring Road, I-64 East, and the Avenue of the Saints, the road conditions shift frequently rather than offering a monotonous interstate grind. You will find that there is no single long-haul stretch, as the longest uninterrupted segment on Weldon Spring Road is effectively zero miles. With a 0% highway share, this trip feels more like a series of interconnected local segments than a high-speed transit. Prepare for a dynamic experience behind the wheel where the road configuration keeps you engaged throughout the 30-minute transit.
This route has more turning and local-road decision points than a simple highway run.
There are about 12 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Avenue of the Saints is the longest continuous segment at about 17.4 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.2 miles in near MO 94.
Route Complexity
7/10
Focused - busy navigation packed into a short drive
This is a short but busy drive. With 8 decision points packed into just 30 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 38m.
Where does it get tricky?
The main spots that need attention: at 0.2 miles (MO 94): Highway fork - watch signs carefully; at 0.3 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 0.5 miles (I 64; US 40; US 61 / Avenue of the Saints): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 8 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.2 mi into trip
|
~0m in
|
MO 94
Keep slight left at fork onto MO 94
Highway fork - watch signs carefully
6
0.3 mi into trip
|
~0m in
Take the exit toward I 64 East, US 40 East, US 61 South: St. Louis
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 64 East, US 40 East, US 61 South: St....
5
0.5 mi into trip
|
~0m in
|
I 64; US 40; US 61 / Avenue of the Saints
Merge onto I 64; US 40; US 61 / Avenue of the Saints
Merge point - match speed before joining. Lane positioning matters here
Use the straight lane.
7
29.3 mi into trip
|
~37m in
Take the exit toward 14th Street
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 39A
Toward 14th Street
5
29.5 mi into trip
|
~37m in
|
South 14th Street
Turn left onto South 14th Street
Lane positioning matters here
Use the left lane.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Avenue of the Saints | 17.4 mi | 21m |
| Jack Buck Memorial Highway | 5.8 mi | 7m |
| Daniel Boone Expressway | 5.7 mi | 7m |
| South 14th Street | 0.3 mi | <1m |
| MO 94 | 0.2 mi | <1m |
| Market Street | 0.2 mi | <1m |
| Weldon Spring Road | <0.1 mi | <1m |
| Old 94 South | <0.1 mi | <1m |
Longest stretch:
Avenue of the Saints
— 17.4 mi, about 21m
Turn-by-Turn Driving Directions
Step-by-step road directions between Weldon Spring, MO and St. Louis, MO.
1
Start on Old 94 South
149 ft
·
8 sec
·
Old 94 South
2
Turn right onto Weldon Spring Road
263 ft
·
6 sec
·
Weldon Spring Road
3
Merge onto MO 94
393 ft
·
8 sec
·
MO 94
4
Keep slight left at fork onto MO 94
0.1 mi
·
11 sec
·
MO 94
5
Take the exit
0.2 mi
·
17 sec
Toward I 64 East, US 40 East, US 61 South: St. Louis
6
Merge onto I 64; US 40; US 61
17 mi
·
21 min
·
Avenue of the Saints
Use the straight lane.
7
Continue on I 64; US 40
5.7 mi
·
7 min
·
Daniel Boone Expressway
Use the straight lane.
8
Continue on I 64; US 40
5.8 mi
·
7 min
·
Jack Buck Memorial Highway
Use the straight / slight right lanes.
9
Take the exit
0.2 mi
·
34 sec
Exit 39A
Toward 14th Street
Use the slight right lane.
10
Turn left onto South 14th Street
0.3 mi
·
42 sec
·
South 14th Street
Use the left lane.
11
Turn right onto Market Street
0.2 mi
·
25 sec
·
Market Street
12
Arrive at destination
Market Street
Trip Plan
Flexibility is your greatest advantage on this brief 30.1-mile trek, as you are not beholden to a rigid schedule or frequent rest stops. Since the drive is quite short, you can comfortably depart whenever it suits your personal itinerary without worrying about fatigue. Keep in mind that because this is a turn-heavy local route, it is wise to double-check your navigation before pulling out of Weldon Spring to ensure you stay on the correct path through the various local intersections. Given the minimal fuel cost of $4, you can easily top off your tank at your convenience without stressing over your budget. Use the lack of required stops to your benefit by planning your departure to avoid peak local traffic hours.
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.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 15 miles from Weldon Spring, MO, or about 18m into the drive.
The longest continuous stretch on this route runs about 17.4 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 30 miles or 38m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 15 miles or 18m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 32m
Traffic, exits, and arrival timing usually matter more near St. Louis, MO than in the middle of the route.
Before You Leave
+
Have your navigation ready before leaving Weldon Spring, MO.
Day 1
Settle into the route from Weldon Spring, MO
This is one driving day of about 30 miles and 38m.
At 30 miles this is a quick drive — no planned stops needed.
The longest stretch is on Avenue of the Saints for about 17.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 15 mi from Weldon Spring, MO · 18m into the drive
Pacing Suggestions
Fuel and coffee
A short stop after about 30 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 15 miles from Weldon Spring, MO, which is a good place for a longer meal and fuel stop.
Arriving in St. Louis, MO
Allow a few extra minutes for the final approach into St. Louis, 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
$4.69 one way
$9.38 round trip
$3.97/gal
25.4 MPG avg
11 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $5.15 | $10.30 |
| premium | $4.89 | $5.77 | $11.55 |
| diesel | $5.61 | $6.62 | $13.25 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$5
Meals
$25–$50
Total
$30–$55
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 10.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 60% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 9 | 0 | $3.15 | $1.44 |
| Efficient EV | 7.5 | 0 | $2.63 | $1.20 |
| EV Truck/SUV | 12 | 0 | $4.20 | $1.92 |
Gas CO2
10 kg
EV CO2
4 kg (60% 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
St. Louis, MO
Evening in St. Louis on Wednesday
Local time
7:00 PM
CDT
Current temp
74°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
17 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
38m 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 Weldon Spring, MO to St. Louis, MO covers 30 miles and takes about 38m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Avenue of the Saints, Jack Buck Memorial Highway, Daniel Boone Expressway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 15 miles from Weldon Spring, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $4.69 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 8 decision points packed into just 30 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 38m.
The main spots that need attention: at 0.2 miles (MO 94): Highway fork - watch signs carefully; at 0.3 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 0.5 miles (I 64; US 40; US 61 / Avenue of the Saints): Merge point - match speed before joining. Lane positioning matters here.
The route from Weldon Spring, MO to St. Louis, MO does not surface many named destination signs beyond the main corridor.
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