How far is Marathon from Key Largo?

Marathon and Key Largo are 46 miles (73 km) apart.

Bus Marathon to Key Largo from $10 | Refundable Tickets

Previously seen trips

Next departures for Marathon to Key Largo on November 19
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	10:35am	Marathon Airport	1h 35m	12:10pm	Key Largo	No tags
Bus	2:10pm	Marathon	1h 20m	3:30pm	Key Largo	No tags
Bus	6:05pm	Marathon Airport	1h 35m	7:40pm	Key Largo	No tags
Bus	11:05am	Marathon Airport	1h 35m	12:40pm	Key Largo	No tags
Bus	6:05pm	Marathon Airport	1h 35m	7:40pm	Key Largo	No tags

Get from Marathon to Key Largo

This route is served by bus only

The journey takes about 1 hour 35 minutes and with fares starting at just $17, it presents an excellent value for a comfortable ride.

2bus per day

1h 35mAverage Duration

46 milesDistance

2kgCO₂ emissions

Compare bus companies

Greyhound

3.5/587,382 reviews

Staff3.6

Timeliness2.9

Cleanliness3.3

Wifi2.4

Greyhound Lines offers the most comprehensive intercity bus services in the United States. They operate a modern, environmentally friendly fleet that serves more than 2400 destinations and carries nearly 16 million passengers annually. When traveling with them, you can expect free WiFi, onboard entertainment, bathrooms, power outlets and decent legroom. One of the great perks of Greyhound is that they connect big cities and smaller towns in the US, where you usually can't get to by train or plane. If you're looking for safe and affordable transportation, Greyhound is a great choice.

FlixBus

3.5/511,368 reviews

Staff4.2

Timeliness3.9

Cleanliness4.1

Wifi2.7

Flixbus is a European bus operator that offers intercity and bus travel in over 38 countries. Known for their easy-to-spot lime green buses and for offering affordable transportation between cities in Europe and the Americas, Flixbus is a good option for those looking for an affordable, reliable bus company. In their buses, you'll find free WiFi, bathrooms, and power outlets. You can also pay extra to choose your seat and get extra legroom, or even buy a snack or drink onboard directly from the driver. You can reschedule your ticket for a small fee, which varies from $1 to $5, depending on how close you are to the departure date.

US bus companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Frequently asked questions about traveling from Marathon, US to Key Largo by bus

How far is Marathon from Key Largo?

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

11/16

$11

11/17

$11

Today

$10

11/19

$10

11/20

No data

11/21

No data

11/22

No data

11/23

No data

The cheapest trip from Marathon, US to Key Largo was searched and found on Nov 18, 2025 with a price of $10

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Marathon, US to Key Largo, as early as possible.

You can expect to pay from $10 to $11 for a bus ticket from Marathon, US to Key Largo based on the last 2 days. You can expect to find the cheapest price for the trip at $10 which is on 2025-11-19.