The trip from Herndon to Ocean City is a straightforward drive across Maryland. You can take I-495 to US-50 East, which takes about 3.5 to 4 hours. Ocean City is a popular coastal destination with a famous boardwalk.
Total Distance: 250 km driving distance; 200 km straight-line air distance.
Expect heavy traffic on US-50 during summer weekends.
June to August for beach weather.