Drive or Fly: Slater, MO to O'Fallon, MO?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No scheduled commercial flights found for COU–STL. At 145 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

3h 4m

Distance

145 mi

Total Cost

$67

CO2

59 kg

Cost Breakdown

Diesel$32

Hotel (1 room, 0 nights) $0

Meals (1 pax, 1 day) $35

+ No luggage restrictions or TSA lines

+ Comfortable one-day drive

+ Stop anywhere along the route

+ Have your own car at the destination

+ Likely faster door-to-door than flying

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

4h 3m

16m in the air

Air Distance

130 mi

Total Cost

$125

CO2

33 kg

Door-to-Door Timeline

Slater, MO → COU 80m

Check-in & Security 90m

Flight 16m

Arrival & Baggage 30m

STL → O'Fallon, MO 27m

Cost Breakdown

Ticket (1 pax @ $125) $125

Airports

Slater, MO COU — Columbia Regional Airport 53 mi, ~80m drive

O'Fallon, MO STL — St. Louis Lambert International Airport 18 mi, ~27m drive

No scheduled flights found

No commercial flights between COU and STL. Flight estimates above are theoretical.

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− Luggage fees and restrictions

− Less flexibility for stops along the way

Train

Amtrak

Door to Door

5h 27m

3h 19m on rail

Total Cost

$31

CO2

9 kg

Route

Missouri River Runner

Door-to-Door Timeline

Slater, MO → Sedalia Amtrak Station 54m

Boarding 30m

Train ride 199m

Arrival 10m

Kirkwood Amtrak Station → O'Fallon, MO 34m

Cost Breakdown

Ticket (1 pax @ $31) $31

Estimated based on distance. Check amtrak.com for current prices.

Stations

From Sedalia Amtrak Station 36 mi, ~54m drive

To Kirkwood Amtrak Station 22 mi, ~34m drive

Service

Direct

Frequency

~1/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 1 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train
Door-to-door time	3h 4m	4h 3m	5h 27m
Total cost (1 person)	$67	$125	$31
Carbon footprint	59 kg CO₂	33 kg CO₂	9 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	Data unavailable

Drive data: OSRM routing, EIA fuel prices

Flight data: Statistical estimate

Airports: OurAirports

Transit: Amtrak GTFS — fares estimated

Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 19, 2026.

Decided to drive? See the full trip plan from Slater, MO to O'Fallon, MO with stops, fuel costs, and turn-by-turn directions.