9 km (Russian: 9 км) is the name of several rural localities in Russia:

• 9 km, Republic of Mordovia, a settlement of the crossing in Plodopitomnichesky Selsoviet of Ruzayevsky District of the Republic of Mordovia; 54°00′50″N 45°00′12″E / 54.01389°N 45.00333°E / 54.01389; 45.00333
• 9 km, Orenburg Oblast, a crossing loop in Barabanovsky Selsoviet of Novosergiyevsky District of Orenburg Oblast; 52°11′11″N 53°29′39″E / 52.18639°N 53.49417°E / 52.18639; 53.49417