Estações de rádio em Reino Unido — O
26 estações
OF 
Offshore Music Radio OZ
Ozzy Osbourne OL 
Old Skool Rave Tapes OF 
Offshore Music Station OT
Otaku | NTS OR 
Orion Global House OR 
Original 106 OL 
Oldskool UK OL 
Old Time Gold OS
OSTM Radio OC 
Ocean Youth Radio OR 
Original 106 (Aberdeen) ON 
One World Radio - Daybreak Session ON
Only Old Skool Radio OS
OSN.fm ON
One Live OV 
Overton Radio OR 
Orryy Live OU 
Outreach Gold OU 
Outreach Radio ON 
One World Radio OP 
Open Circle Radio OT 
Otaku - Infinite Mixtapes | NTS OU 
Outreach Dance OC 
OC Radio OS 
OSN Radio Plus