xiaobaitu, 你说从加拿大入境美国陆路可以如果护照有效期不足6个月,是吗? 我一月份出差欧洲,先飞到加拿大再从加拿大坐车入关美国,可以吗? Just notice that my passport is going to expire within 6 months and I cannot get back from Euroup in January:-((((( Not enough time to change the passport. Please advice and thanks a lot!