Origin
Chesterfield, MO
Evening in Chesterfield on Wednesday
Local time
6:01 PM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Chesterfield, MO to Affton, MO
Last recalculated Apr 15, 2026
Drive Time
30m
Distance
20.6 mi
33 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
Best Time to Leave
4 AM
0h 28m
★
6 AM
0h 30m
8 AM
0h 36m
10 AM
0h 32m
12 PM
0h 32m
3 PM
0h 33m
5 PM
0h 35m
8 PM
0h 29m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Chesterfield, MO
Wikimedia Commons
Affton, MO
Wikimedia Commons
Trip Overview
The drive from Chesterfield, MO to Affton, MO covers 20.6 miles and takes about 30m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Old Chesterfield Road, Baxter Road, I 64 East for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $3.22 one way before food or hotel costs.
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
10.3 miles from Chesterfield, MO
A natural place for your longest stop of the day , about 15m into the drive .
Drive Character
Expect a 30m drive with frequent turns across 20.6 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 14 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Old Chesterfield Road is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. Navigation is very simple - set it and forget it for most of the drive.
Route Complexity
1/10
Very easy - short and simple to drive
The drive from Chesterfield, MO to Affton, MO is easy. At 30m with 0% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Chesterfield, MO to Affton, MO is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Old Chesterfield Road | — | — |
| Baxter Road | — | — |
| I 64 East | — | — |
| Avenue of the Saints | — | — |
| I 270 | — | — |
| I 270 South | — | — |
| MO 30 | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
Old Chesterfield Road
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chesterfield, MO and Affton, MO.
1
Start on Santa Maria Drive
108 ft
·
8 sec
·
Santa Maria Drive
2
Turn left onto Old Chesterfield Road
0.1 mi
·
33 sec
·
Old Chesterfield Road
3
Turn right onto Baxter Road
0.3 mi
·
37 sec
·
Baxter Road
4
Take the ramp slight right toward I 64 East, US 40 East, US 61 South
0.2 mi
·
23 sec
·
I 64 East, US 40 East, US 61 South
5
Merge slight left onto Avenue of the Saints
6.8 mi
·
8 min
·
Avenue of the Saints
6
Take the exit slight right toward I 270: Chicago, Memphis
0.3 mi
·
39 sec
·
I 270: Chicago, Memphis
7
Keep slight right to continue on I 270 South: Memphis
0.3 mi
·
31 sec
·
I 270 South: Memphis
8
Merge slight left
8.1 mi
·
10 min
9
Take the exit slight right toward MO 30: Gravois Road
0.3 mi
·
34 sec
·
MO 30: Gravois Road
10
Keep slight left to continue on MO 30: Saint Louis, Ulysses S. Grant National Historic Site, Gravois Road
397 ft
·
11 sec
·
MO 30: Saint Louis, Ulysses S. Grant National Historic Site, Gravois Road
11
Merge slight right
4.1 mi
·
8 min
12
Turn right
39 ft
·
8 sec
13
Turn left
89 ft
·
6 sec
14
Arrive at your destination
Trip Plan
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 10.3 miles from Chesterfield, MO, or about 15m into the drive.
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 20.6 miles or 30m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 10.3 miles or 15m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 25m
Traffic, exits, and arrival timing usually matter more near Affton, MO than in the middle of the route.
Before You Leave
+
Have your navigation ready before leaving Chesterfield, MO.
Day 1
Settle into the route from Chesterfield, MO
This is one driving day of about 20.6 miles and 30m.
At 20.6 miles this is a quick drive — no planned stops needed.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 10.3 mi from Chesterfield, MO · 15m into the drive
Pacing Suggestions
Fuel and coffee
A short stop after about 20.6 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 10.3 miles from Chesterfield, MO, which is a good place for a longer meal and fuel stop.
Arriving in Affton, MO
Allow a few extra minutes for the final approach into Affton, 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
$3.22 one way
$6.44 round trip
$3.97/gal
25.4 MPG avg
7 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $3.54 | $7.07 |
| premium | $4.89 | $3.96 | $7.93 |
| diesel | $5.61 | $4.55 | $9.10 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$3
Meals
$25–$50
Total
$28–$53
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 7.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 71% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 6.2 | 0 | $2.16 | $0.99 |
| Efficient EV | 5.2 | 0 | $1.80 | $0.82 |
| EV Truck/SUV | 8.2 | 0 | $2.88 | $1.32 |
Gas CO2
7 kg
EV CO2
2 kg (71% 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
Affton, MO
Evening in Affton on Wednesday
Local time
6:01 PM
CDT
Current temp
75°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
18 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
30m 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 Chesterfield, MO to Affton, MO covers 20.6 miles and takes about 30m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Old Chesterfield Road, Baxter Road, I 64 East. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 10.3 miles from Chesterfield, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $3.22 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.
The drive from Chesterfield, MO to Affton, MO is easy. At 30m with 0% highway, most drivers will find it relaxed and low-stress.
This route does not have any notably tricky sections. Most of the drive from Chesterfield, MO to Affton, MO is straightforward, with well-signed roads and simple exits.
The route from Chesterfield, MO to Affton, MO does not surface many named destination signs beyond the main corridor.
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