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Trip from St. Louis, MO to Saint George, MO

Last recalculated Apr 17, 2026

Drive Time

15m

Distance

10.2 mi

16 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$2

one way

EV Charging

Unknown

Best Time to Leave

4 AM
0h 14m ★
6 AM
0h 16m
8 AM
0h 18m
10 AM
0h 17m
12 PM
0h 16m
3 PM
0h 17m
5 PM
0h 18m
8 PM
0h 15m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown Saint George, MO, MO

Saint George, MO

Enes Ersahin

Trip Overview

The drive from St. Louis, MO to Saint George, MO covers 10.2 miles and takes about 15m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 55, South Tucker Boulevard, Gravois Avenue for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 7.9 miles on I 55. At current regular gas prices, budget about $1.59 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 15m. Total distance: 10.2 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

15m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (78%). Straightforward navigation.

Drive Character

This is a 15m highway drive covering 10.2 miles, with most of the trip on I 55 and South Tucker Boulevard. The longest continuous stretch is about 7.9 miles on I 55.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 9 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 55 is the longest continuous segment at about 7.9 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on I 55 and South Tucker Boulevard. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near South Tucker Boulevard.

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 15m 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: near the start (South Tucker Boulevard): Lane positioning matters here; at 1.7 miles: Lane positioning matters here; at 1.8 miles (I 55): Merge point - match speed before joining.

Critical Maneuvers

5 of 6 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

4
0 mi into trip | ~0m in | South Tucker Boulevard

Turn left onto South Tucker Boulevard

Lane positioning matters here

Use the left lane.
7
1.7 mi into trip | ~4m in

Take the ramp toward I 55 South: Memphis

Lane positioning matters here

Use the left lane. Toward I 55 South: Memphis
3
1.8 mi into trip | ~4m in | I 55

Merge onto I 55

Merge point - match speed before joining

7
9.7 mi into trip | ~14m in

Take the exit toward Reavis Barracks Road

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Exit 199 Toward Reavis Barracks Road
4
10.1 mi into trip | ~15m in | Huntingdon Lane

Turn right onto Huntingdon Lane

Navigation decision point

Main Roads

Road Distance Duration
I 55 7.9 mi 9m
South Tucker Boulevard 1.3 mi 3m
Gravois Avenue 0.3 mi <1m
Reavis Barracks Road 0.3 mi <1m
Huntingdon Lane <0.1 mi <1m
Market Street <0.1 mi <1m
Longest stretch: I 55 — 7.9 mi, about 9m

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Louis, MO and Saint George, MO.

1

Start on Market Street

86 ft · 4 sec · Market Street
2

Turn left onto South Tucker Boulevard

1.3 mi · 3 min · South Tucker Boulevard
Use the left lane.
3

Turn straight onto Gravois Avenue

0.3 mi · 46 sec · Gravois Avenue
4

Take the ramp

0.1 mi · 15 sec
Toward I 55 South: Memphis Use the left lane.
5

Merge onto I 55

7.9 mi · 9 min · I 55
6

Take the exit

0.1 mi · 17 sec
Exit 199 Toward Reavis Barracks Road Use the slight right lane.
7

Turn right onto Reavis Barracks Road

0.3 mi · 36 sec · Reavis Barracks Road
8

Turn right onto Huntingdon Lane

422 ft · 14 sec · Huntingdon Lane
9

Arrive at destination

Huntingdon Lane

Fuel & Cost

Regular Gas

$1.59 one way

$3.19 round trip

$3.97/gal 25.4 MPG avg 4 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.36 $1.75 $3.50
premium $4.89 $1.96 $3.93
diesel $5.61 $2.25 $4.50

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$2

Estimated CO2 emission: 3.6 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 3.1 0 $1.07 $0.49
Efficient EV 2.6 0 $0.89 $0.41
EV Truck/SUV 4.1 0 $1.43 $0.65

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.

Forecast as of Apr 15, 2026

Origin

St. Louis, MO

Evening in St. Louis on Thursday

Local time

7:51 PM

CDT

Current temp

74°F

Unavailable

Live forecast

Destination

Saint George, MO

Evening in Saint George on Thursday

Local time

7:51 PM

CDT

Current temp

77°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

3 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

15m 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 George, MO covers 10.2 miles and takes about 15m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 55, South Tucker Boulevard, Gravois Avenue. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 5.1 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 $1.59 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 15m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: near the start (South Tucker Boulevard): Lane positioning matters here; at 1.7 miles: Lane positioning matters here; at 1.8 miles (I 55): Merge point - match speed before joining.
The route from St. Louis, MO to Saint George, 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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