Drive or Fly: North Key Largo, FL to Jacksonville, FL?

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 MIA–JAX. At 395 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

7h 28m

Distance

395.6 mi

Total Cost

$123

CO2

160 kg

Cost Breakdown

Diesel$88

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 55m

43m in the air

Air Distance

359 mi

Total Cost

$189

CO2

92 kg

Door-to-Door Timeline

North Key Largo, FL → MIA 55m

Check-in & Security 90m

Flight 43m

Arrival & Baggage 30m

JAX → Jacksonville, FL 17m

Cost Breakdown

Ticket (1 pax @ $134) $134

Rental car (1 day)$55

Airports

North Key Largo, FL MIA — Miami International Airport 37 mi, ~55m drive

Jacksonville, FL JAX — Jacksonville International Airport 11 mi, ~17m drive

No scheduled flights found

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

+ Saves about 3h 33m 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

Train

Amtrak

Door to Door

10h 37m

8h 46m on rail

Total Cost

$65

CO2

19 kg

Route

Silver Meteor

Door-to-Door Timeline

North Key Largo, FL → Miami Amtrak Station 61m

Boarding 30m

Train ride 526m

Arrival 10m

Jacksonville → Jacksonville, FL 10m

Cost Breakdown

Ticket (1 pax @ $65) $65

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

Stations

From Miami Amtrak Station 40 mi, ~61m drive

To Jacksonville 5 mi, ~10m drive

Service

Direct

Frequency

~12/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ Scenic views along the route

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 12 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	7h 28m	3h 55m	10h 37m
Total cost (1 person)	$123	$189	$65
Carbon footprint	160 kg CO₂	92 kg CO₂	19 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 13, 2026.

Decided to drive? See the full trip plan from North Key Largo, FL to Jacksonville, FL with stops, fuel costs, and turn-by-turn directions.