Drive or Fly: St. Marys, GA to Dunwoody, GA?

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 JAX–PDK. At 357 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

6h 39m

Distance

357.9 mi

Total Cost

$114

CO2

145 kg

Cost Breakdown

Diesel$79

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

3h 11m

33m in the air

Air Distance

275 mi

Total Cost

$186

CO2

70 kg

Door-to-Door Timeline

St. Marys, GA → JAX 28m

Check-in & Security 90m

Flight 33m

Arrival & Baggage 30m

PDK → Dunwoody, GA 10m

Cost Breakdown

Ticket (1 pax @ $131) $131

Rental car (1 day)$55

Airports

St. Marys, GA JAX — Jacksonville International Airport 19 mi, ~28m drive

Dunwoody, GA PDK — DeKalb Peachtree Airport 5 mi, ~10m drive

No scheduled flights found

No commercial flights between JAX and PDK. Flight estimates above are theoretical.

+ Saves about 3h 28m compared to driving

+ 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	6h 39m	3h 11m
Total cost (1 person)	$114	$186
Carbon footprint	145 kg CO₂	70 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 15, 2026.

Decided to drive? See the full trip plan from St. Marys, GA to Dunwoody, GA with stops, fuel costs, and turn-by-turn directions.