From New York, the flying distance to Iceland and San Francisco is about the same. There are daily flights to Iceland from most major gateways in Europe (2.5-3 hrs) and North America (5-6 hrs). From Reykjavik International Airport (KEF) there are around 140 departures daily during summer and 80 during winter.
Nationals of the other European Economic Area states do not require entry visas. Furthermore, agreements with about 100 states, including all OECD countries, permit all residents with a valid passport to enter without visas.