| Code | Name | Region |
|---|---|---|
| RULSI | Liski | VOR |
| RULNO | Litkarino | MOS |
| RULBA | Lobnya | KRS |
| RULOM | Lomonosov | |
| RUBRK | Lomonosov | SPE |
| RULT5 | Losino | TAM |
| RULGA | Luga | LEN |
| RULUG | Lugovoye | TOM |
| RULKA | Luzhaika | |
| RULBU | Lyubim | YAR |
| RULYU | Lyubuchany | |
| RUKUL | Kultuk | |
| RUKUR | Kureysk | IRK |
| RUKRO | Kurgan | KGN |
| RURZF | Kurganinsk | KDA |
| RUBVV | Kuril'skiy Burevestnik Afb (burevestnik Afb) | SAK |
| RUKUK | Kurkachi | TA |
| RUURS | Kursk | |
| RUKU3 | Kursk | KRS |
| RUKU2 | Kursk | KYA |
| RUKUZ | Kuznetsk | |
| RUKYS | Kyshtym | CHE |
| RUKYZ | Kyzyl | |
| RULAB | Labinsk | KDA |
| RULAH | Lakhdenpokh'ja | KR |
| RULVR | Lavrentiya | CHU |
| RULAZ | Lazarev | |
| RULDY | Lebedyan' | |
| RULEK | Leningradskaya | |
| RULNN | Leninogorsk | TA |
| RUKSO | Krasnotur'insk | SVE |
| RUKNV | Krasnovodsk | |
| RUKRA | Krasnoyarsk | |
| RUKSN | Krasnoyarsk | SAK |
| RUROO | Krasnyy Sulin | ROS |
| RUKRY | Krasnyy Yar | NVS |
| RUKYB | Krasnyye Barrikady | AST |
| RUKRE | Krekshino | MOS |
| RUKRI | Krivosheino | TOM |
| RUKDT | Kronshtadt | |
| RUOKR | Kronstadt | SPE |
| RUKPT | Kropotkin | KDA |
| RUKRU | Krugloye Pole | TA |
| RUKRT | Krutogorovo | KAM |
| RUKYM | Krymsk | KYA |
| RUKS3 | Kstovo | NIZ |
| RUKUB | Kubekovo | KYA |
| RUKBK | Kubinka | MOS |
| RUKLK | Kulakovo | KYA |
| RUKST | Kostarikha |