Drive or Fly: Bethany, 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
MediumNo scheduled commercial flights found for CGI–STL. At 210 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
4h 13m
Distance
210.9 mi
Total Cost
$82
CO2
85 kg
Cost Breakdown
Fly
Door to Door
4h 2m
19m in the air
Air Distance
156 mi
Total Cost
$181
CO2
40 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between CGI and STL. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 4h 13m | 4h 2m |
| Total cost (1 person) | $82 | $181 |
| Carbon footprint | 85 kg CO2 | 40 kg CO2 |
| Flexibility | High | Low |
| Luggage | Unlimited | Restricted |
| Reliability | Weather dependent | Data unavailable |
Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 21, 2026.
Route Options
2 different routes between these cities.
via I 55, I 270, I 70
via US 60; US 67, I 55, MO 53
Decided to drive? See the full trip plan from Bethany, MO to O'Fallon, MO with stops, fuel costs, and turn-by-turn directions.