Capital Cities Closest to an Unknown Capital City A-Z #7
For each letter of the alphabet, name the capital city closest to, well, an unknown capital city, for each letter of the alphabet.
You must find the name of the unknown capital city, along with the closest capital cities a-z.
Note that the following 'border-line' cases are considered: Porto-Novo for Benin, Sucre for Bolivia, Tarawa for Kiribati, Melekeok for Palau, Pretoria for South Africa, Colombo for Sri Lanka