Origin
Saint George, MO
Evening in Saint George on Thursday
Local time
8:28 PM
CDT
Current temp
77°F
Unavailable
Live forecast
Trip from Saint George, MO to Saint Peters, MO
Last recalculated Apr 17, 2026
Drive Time
43m
Distance
33.9 mi
55 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Fair
3 stations
Best Time to Leave
4 AM
0h 40m
★
6 AM
0h 44m
8 AM
0h 51m
10 AM
0h 46m
12 PM
0h 46m
3 PM
0h 47m
5 PM
0h 51m
8 PM
0h 42m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Saint George, MO
Enes Ersahin
Saint Peters, MO
Wikimedia Commons
Trip Overview
The drive from Saint George, MO to Saint Peters, MO covers 33.9 miles and takes about 43m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 270, I 70, I 55 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 18.1 miles on I 270. At current regular gas prices, budget about $5.30 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 43m. Total distance: 33.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
43m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (89%). Some complex stretches to watch for.
Drive Character
This is a 43m highway drive covering 33.9 miles, with most of the trip on I 270 and I 70. The longest continuous stretch is about 18.1 miles on I 270.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 13 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 18.1 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 270 and I 70. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2 miles in.
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 10 decision points packed into just 33.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 43m.
Where does it get tricky?
The main spots that need attention: at 2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.2 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 2.8 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 10 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
8
2 mi into trip
|
~2m in
Take the exit toward US 50, US 61, US 67, I 255, I 270: Lindbergh Boulevard, Chicago, Kansas City
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 197
Toward US 50, US 61, US 67, I 255, I 270: Lindb...
6
2.2 mi into trip
|
~3m in
Keep slight right at fork toward I 255, I 270: Chicago, Kansas City
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward I 255, I 270: Chicago, Kansas City
7
2.8 mi into trip
|
~4m in
Keep slight right at fork toward I 270 West: Kansas City
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 270 West: Kansas City
8
21.6 mi into trip
|
~28m in
Take the exit toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
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 20A
Toward I 70: Kansas City, Saint Louis, Saint Lo...
7
22.7 mi into trip
|
~29m in
Keep slight left at fork toward I 70 West: Kansas City
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward I 70 West: Kansas City
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Saint George, MO and Saint Peters, MO, road signs point toward Chicago, Kansas City, Saint Louis and Saint Louis Lambert International Airport.
Chicago
2 mi in
|
~2m
Kansas City
2 mi in
|
~2m
Saint Louis
21.6 mi in
|
~28m
Saint Louis Lambert International Airport
21.6 mi in
|
~28m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 270 | 18.1 mi | 22m |
| I 70 | 10.5 mi | 13m |
| I 55 | 1.5 mi | 1m |
| Reavis Barracks Road | 0.3 mi | <1m |
| Huntingdon Lane | <0.1 mi | <1m |
Longest stretch:
I 270
— 18.1 mi, about 22m
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint George, MO and Saint Peters, MO.
1
Start on Huntingdon Lane
403 ft
·
15 sec
·
Huntingdon Lane
2
At end of road, turn left onto Reavis Barracks Road
0.3 mi
·
39 sec
·
Reavis Barracks Road
3
Take the ramp
0.2 mi
·
14 sec
Toward I 55 South
4
Merge onto I 55
1.5 mi
·
1 min
·
I 55
5
Take the exit
0.2 mi
·
27 sec
Exit 197
Toward US 50, US 61, US 67, I 255, I 270: Lindbergh Boulevard, Chicago, Kansas City
Use the slight right lane.
6
Keep slight right at fork
0.6 mi
·
1 min
Toward I 255, I 270: Chicago, Kansas City
7
Keep slight right at fork
0.6 mi
·
56 sec
Toward I 270 West: Kansas City
Use the slight right lane.
8
Merge onto I 270
18 mi
·
22 min
·
I 270
Use the straight lane.
9
Take the exit
1.0 mi
·
1 min
Exit 20A
Toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
Use the slight right lane.
10
Keep slight left at fork
0.1 mi
·
11 sec
Toward I 70 West: Kansas City
Use the slight left lane.
11
Continue on this road
0.6 mi
·
57 sec
·
this road
Exit 20B
Toward I 70 West: Kansas City
12
Merge onto I 70
11 mi
·
13 min
·
I 70
Use the straight / slight right lanes.
13
Arrive at destination
I 70
Fuel & Cost
Regular Gas
$5.30 one way
$10.60 round trip
$3.97/gal
25.4 MPG avg
12 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $5.82 | $11.64 |
| premium | $4.89 | $6.52 | $13.05 |
| diesel | $5.61 | $7.48 | $14.97 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 11.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 10.2 | 0 | $3.56 | $1.63 |
| Efficient EV | 8.5 | 0 | $2.97 | $1.36 |
| EV Truck/SUV | 13.6 | 0 | $4.75 | $2.17 |
Gas CO2
12 kg
EV CO2
4 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 Peters, MO
Evening in Saint Peters on Thursday
Local time
8:28 PM
CDT
Current temp
57°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
20 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
43m 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 George, MO to Saint Peters, MO covers 33.9 miles and takes about 43m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 270, I 70, I 55. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 17 miles from Saint George, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $5.30 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 10 decision points packed into just 33.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 43m.
The main spots that need attention: at 2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.2 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 2.8 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Between Saint George, MO and Saint Peters, MO, road signs point toward Chicago, Kansas City, Saint Louis and Saint Louis Lambert International Airport.
Yes. Nearby national parks include Gateway Arch National Park.
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