Closest stop to Shanghai Marriott Hotel Hongqiao, to get onto the City Sightseeing bus- Line 1?

The closet stop is Middle Huaihai Road. It is lcoated at No. 158, Middle Huaihai Road, about 7 miles (11km) from the hotel. You can take a taxi there for about CNY 40.

The bus line 1 runs from 9:00 to 20:30 between May and October; from 9:00 to 18:00 from November to April. By the way, the 24h ticket costs CNY 30, and applicable to Line 1 and 2. :)