From Kennedy taxi to Jamestown airport, fly to San Francisco airport, then BART to Oakland. 12hrs 07min $294. From Kennedy taxi to Dunkirk, NY, bus to Erie, PA, train to Chicago, train to Richmond, then BART to 12th St. Oakland City Center. 2days 17hrs $571. From Kennedy taxi to Dunkirk, NY, bus to Columbus, OH, bus to St Louis, MO, bus to Flagstaff, AZ, bus to Phoenix, AZ, bus to Los Angeles, CA, then bus to Oakland, CA. 2days 20hrs $530.