Shortest distance between San Marcos and McKinney is 241.94 miles (389.37 km).
Flight distance from San Marcos, TX to McKinney, TX is 241.94 miles. Estimated flight time is 00 hours 32 minutes.
It takes 00 hours 29 minutes to travel from San Marcos to McKinney with an airplane (average speed of 550 miles).
The driving distance from San Marcos, Texas to McKinney, Texas is: 270.43 miles (435.21 km) by car.
Driving from San Marcos to McKinney will take approximately 04 hours 01 minutes.
The distance between San Marcos and McKinney is 435 km if you choose to drive by road. You can go 04 hours 50 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between San Marcos and McKinney. The current time is 15:43:16.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||09 hours 00 minutes|
|40 mph (64.37 km/h)||06 hours 45 minutes|
|50 mph (80.47 km/h)||05 hours 24 minutes|
|60 mph (96.56 km/h)||04 hours 30 minutes|
|70 mph (112.65 km/h)||03 hours 51 minutes|
|75 mph (120.7 km/h)||03 hours 36 minutes|
|80 mph (128.75 km/h)||03 hours 22 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 36.12 liters (9.54 gallon) of gas to cover the route between San Marcos and McKinney.
The estimated cost of gas to go from San Marcos to McKinney is $32.4 (diesel $35.54).
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price per gallon of daily gas for calculations is $3.395 (Diesel $3.724) /gallon. Last changed prices on November 29, 2021.
The place names are translated into coordinates to approximate the distance between San Marcos and McKinney (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.