Airport Regions starting with r

RE-U-A
RO-AR
RO-B
RO-BC
RO-BH
RO-BN
RO-BR
RO-BZ
RO-CJ
RO-CS
RO-CT
RO-DJ
RO-IL
RO-IS
RO-MM
RO-MS
RO-OT
RO-PH
RO-SB
RO-SM
RO-SV
RO-TL
RO-TM
RO-U-A
RS-00
RS-02
RS-04
RS-05
RS-06
RS-07
RS-09
RS-14
RS-16
RS-17
RS-18
RS-19
RS-20
RS-21
RS-U-A
RU-AD
RU-AL
RU-ALT
RU-AMU
RU-ARK
RU-AST
RU-BA
RU-BEL
RU-BRY
RU-BU
RU-CE
RU-CHE
RU-CHI
RU-CHU
RU-CU
RU-DA
RU-IN
RU-IRK
RU-IVA
RU-KAM
RU-KB
RU-KC
RU-KDA
RU-KEM
RU-KGD
RU-KGN
RU-KHA
RU-KHM
RU-KIR
RU-KK
RU-KL
RU-KLU
RU-KO
RU-KOS
RU-KR
RU-KRS
RU-KYA
RU-LEN
RU-LIP
RU-MAG
RU-ME
RU-MO
RU-MOS
RU-MOW
RU-MUR
RU-NEN
RU-NGR
RU-NIZ
RU-NVS
RU-OMS
RU-ORE
RU-ORL
RU-PER
RU-PNZ
RU-PRI
RU-PSK
RU-ROS
RU-RYA
RU-SA
RU-SAK
RU-SAM
RU-SAR
RU-SE
RU-SMO
RU-SPE
RU-STA
RU-SVE
RU-TA
RU-TAM
RU-TOM
RU-TUL
RU-TVE
RU-TY
RU-TYU
RU-UD
RU-ULY
RU-VGG
RU-VLA
RU-VLG
RU-VOR
RU-YAN
RU-YAR
RU-YEV
RW-01
RW-02
RW-03
RW-04
RW-05