Massachusetts Avenue NW, Washington, DC Land boundaries: 0 km Coastline: 121 km Maritime claims: none; landlocked Airports: total: 55 usable: 55 with permanent-surface runways: 12 with runways over 3,659 m: 0 with runways 1,220-2,439 m: 0 with runways over 3,659 m: 0 with runways 2,440-3,659 m: 1 with runways 1,220-2,439 m: 1 with runways 1,220-2,439 m: 1 Telecommunications: fully automatic telephone system; 890 telephones; broadcast stations - Orbita and 1 TV *Djibouti, Defense
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