Shortest distance between Adelphi and Rockville is 11.2 miles (18.02 km).
Flight distance from Adelphi, MD to Rockville, MD is 11.2 miles. Estimated flight time is 00 hours 01 minutes.
The driving distance from Adelphi, Maryland to Rockville, Maryland is: 15.97 miles (25.69 km) by car.
Driving from Adelphi to Rockville will take approximately 00 hours 22 minutes.
The most populous city in Montgomery County, Maryland. It is located in the Washington metropolitan area. Rockville is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the National Mall and the National Air and Space Museum.
|GPS Coordinates||39°5'2"N 77°9'10"W|
The distance between Adelphi and Rockville is 26 km if you choose to drive by road. You can go 00 hours 17 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 Adelphi and Rockville. The current time is 13:23:50.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||00 hours 31 minutes|
|40 mph (64.37 km/h)||00 hours 23 minutes|
|50 mph (80.47 km/h)||00 hours 19 minutes|
|60 mph (96.56 km/h)||00 hours 15 minutes|
|70 mph (112.65 km/h)||00 hours 13 minutes|
|75 mph (120.7 km/h)||00 hours 12 minutes|
|80 mph (128.75 km/h)||00 hours 11 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 2.13 liters (0.56 gallon) of gas to cover the route between Adelphi and Rockville.
The estimated cost of gas to go from Adelphi to Rockville is $2 (diesel $2.5).
Maryland gas prices.
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 (in Maryland ) per gallon of daily gas for calculations is $3.554 (Diesel $4.436) /gallon. Last changed prices on September 28, 2023.
The place names are translated into coordinates to approximate the distance between Adelphi and Rockville (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.