Here are a few suggestions for your next trip from Grays

In 2 hours, you can reach London, Southend-on-Sea, London-Stratford, West Horndon, Laindon, Gravesend, Ebbsfleet Intl (Domestic), Greenhithe, Stone Crossing, Northfleet...

In 3 hours, you can reach City of Westminster, Ilford, Dartford.

In 4 hours, you can reach Streatham Hill.

In 6 hours, you can reach Harringay.