Drive or Fly: Mound City, 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 MCI–STL. At 309 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

5h 47m

Distance

309 mi

Total Cost

$104

CO2

125 kg

Cost Breakdown

Diesel$69

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 33m

31m in the air

Air Distance

258 mi

Total Cost

$185

CO2

66 kg

Door-to-Door Timeline

Mound City, MO → MCI 95m

Check-in & Security 90m

Flight 31m

Arrival & Baggage 30m

STL → O'Fallon, MO 27m

Cost Breakdown

Ticket (1 pax @ $130) $130

Rental car (1 day)$55

Airports

Mound City, MO MCI — Kansas City International Airport 64 mi, ~95m drive

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

No scheduled flights found

No commercial flights between MCI 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

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

At a Glance

	Drive	Fly
Door-to-door time	5h 47m	4h 33m
Total cost (1 person)	$104	$185
Carbon footprint	125 kg CO₂	66 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

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 13, 2026.

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