sierramike

This plugin allows you to display a widget containing a list of countries with a flag, a country name and misc information. You can choose if you want to display the country names or not.
It can be used to display scores, sport results, registrations, people participating in an event and much more.
You can edit smcfi.css file to adjust width of elements, or override css classes smcfi-name and smcfi-misc.
Flags are 64×64 pixel sized to be ready for retina displays.
It is forked from jimmywb excellent plugin ‘Simple Link List’ and behaves the same.

Country Flags Info Widget

Enables a widget in which you can display a list of country with flags, names and misc information.

pcsforme

Visited Countries is a WordPress plugin that allows you to track how many countries you have visited and display your customized map via shortcode.
You can change the colors of the map from the settings page including: water color, visited color, not visited color, outline color, roll over color, roll over outline color, etc.
The map size is fully customizable by passing in a height and width value when you call the shortcode.
Use [visited_countries] to display your map.
You can also add text and close the shortcode while using the following fields: 
{num}, {total}, {percent}
i.e. [visited_countries width=”500″ height=”500″]I have visited {num} of {total} countries! That is {percent} of the world![/visited_countries]

Name: Visited Countries

Uses amMap's JavaScript maps to display a map of visited places via shortcode.

Country Flags Info Widget vs Name: Visited Countries