Shortest distance between Richwood and San Antonio is 187.64 miles (301.98 km).
Flight distance from Richwood, TX to San Antonio, TX is 187.64 miles. Estimated flight time is 00 hours 27 minutes.
It takes 00 hours 24 minutes to travel from Richwood to San Antonio with an airplane (average speed of 550 miles).
The driving distance from Richwood, Texas to San Antonio, Texas is: 224.57 miles (361.4 km) by car.
Driving from Richwood to San Antonio will take approximately 04 hours 01 minutes.
The distance between Richwood and San Antonio is 361 km if you choose to drive by road. You can go 04 hours 00 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 Richwood and San Antonio. The current time is 11:32:58.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||07 hours 28 minutes|
|40 mph (64.37 km/h)||05 hours 36 minutes|
|50 mph (80.47 km/h)||04 hours 29 minutes|
|60 mph (96.56 km/h)||03 hours 44 minutes|
|70 mph (112.65 km/h)||03 hours 12 minutes|
|75 mph (120.7 km/h)||02 hours 59 minutes|
|80 mph (128.75 km/h)||02 hours 48 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 30 liters (7.92 gallon) of gas to cover the route between Richwood and San Antonio.
The estimated cost of gas to go from Richwood to San Antonio is $26.78 (diesel $29.48).
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 $3.38 (Diesel $3.72) /gallon. Last changed prices on November 30, 2021.
The place names are translated into coordinates to approximate the distance between Richwood and San Antonio (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.