China has 14 land borders with other countries, the most of any sovereign state in the world. It shares borders with Afghanistan, Bhutan, India, Kazakhstan, Kyrgyzstan, Laos, Mongolia, Myanmar, Nepal, North Korea, Pakistan, Russia, Tajikistan, and Vietnam.
Russia has 14 land borders with other countries, the same as China, but with a longer total length of 20,241 km. It shares borders with Azerbaijan, Belarus, China, Estonia, Finland, Georgia, Kazakhstan, Latvia, Lithuania, Mongolia, North Korea, Norway, Poland, and Ukraine.
Brazil has 10 land borders with other countries, the most of any country in South America. It shares borders with Argentina, Bolivia, Colombia, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay, and Venezuela.
Germany has 9 land borders with other countries, the most of any country in the European Union. It shares borders with Austria, Belgium, Czech Republic, Denmark, France, Luxembourg, Netherlands, Poland, and Switzerland.
Sudan has 9 land borders with other countries, the most of any country in Africa. It shares borders with Central African Republic, Chad, Egypt, Eritrea, Ethiopia, Libya, South Sudan, and Uganda.