Drive or Fly: Saint Peters, MO to Mound City, 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 STL–MCI. At 311 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
5h 50m
Distance
311.9 mi
Total Cost
$104
CO2
126 kg
Cost Breakdown
Fly
Door to Door
4h 27m
31m in the air
Air Distance
262 mi
Total Cost
$185
CO2
67 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between STL and MCI. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 5h 50m | 4h 27m |
| Total cost (1 person) | $104 | $185 |
| Carbon footprint | 126 kg CO2 | 67 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 16, 2026.
Route Options
2 different routes between these cities.
via I 70, I 29; US 71, I 29; US 59; US 71
via US 24; US 36; MO 110, US 61, I 29; US 59; US 71
Decided to drive? See the full trip plan from Saint Peters, MO to Mound City, MO with stops, fuel costs, and turn-by-turn directions.