The two-letter country abbreviation for San Marino is SM, the three-letter code is SMR. Country-specific domains ending with .sm, e.g. www.my-domain.sm
The country-code TLD (Top Level Domain) of San Marino is .sm, for example www.your-domain.sm
The geographic center of San Marino is approx. 8686 km away (flight route) from USA.
Source: entfernungsrechner.net: Distance USA » San Marino
In the immediate vicinity of San Marino are countries such as Vatican, Italy & Croatia.