Kapodistrias, a Corfiot and European diplomat, and the first governor of the independent Greek state, is located around three kilometres south of Kerkyra, just half a kilometre north of Pontikonisi. The approach and landing, in a northeasterly direction, afford passengers aerial views of Pontikonisi and Vlaheraina Monastery, also taking in the hills of Kanoni, as the runway employed for landing lies a few hundred metres from these local landmarks. The airport offers domestic flights from Olympic Airlines (OA 600, 602 and 606), and Aegean Airlines (A3 402, 404 and 406). Seaplanes, Air Sea Lines, a Greek seaplane operator, offers scheduled flights from Corfu to Paxoi, Lefkada, Ithaki, Kefalonia, Ioannina, Patras and Brindisi in Italy. The buses to the main places on the island run about six times a day between the city and Glyfada, Sidari, Paleokastritsa, Roda and Acharavi, Lefkimmi, Lefkimmi and Piri. Other coaches drive up to twice a day to Athens and Thessaloniki. City buses run through the city to the Airport, Achilleion, Gouvia, Afra, Pelekas and some other places of interest. The Diapontia Islands are accessible by boat with regular services from Corfu port and Agios Stefanos Avliotes and by ferry from Corfu city port. Economy Corfu is mostly planted with olive groves and vineyards and has been producing olive oil and wine since antiquity. The main wine grape varietals found in Corfu are the indigenous white Kakotrýgēs and red Petrokóritho, the Cefalonian white Robóla, the Aegean Moscháto (white muscat), the Achaean Mavrodáphnē and others. Modern times have seen the introduction of specialist cultivation supported by the mild climate, like the kumquat and bergamot oranges, which are extensively used in making spoon sweets and liqueurs. Corfu also produces local animal products, such as Corfiote graviéra (a variant of gruyere) and "Corfu" cheese (a variant of Grana); "Corfu butter" (Boútyro Kerkýras), an intensely flavored cooking and baking butter made of ewe's milk; and the noúmboulo salami made of pork and lard and flavored with orange peel, oregano, thyme and other aromatic herbs, which are also burned for smoking. Local culinary specialties include sofrito (a veal rump roast of Venetian origin), pastitsáda (bucatini pasta served with diced veal cooked in a tomato sauce), bourdétto (cod cooked in a peppery sauce), mándoles (caramelized almonds), pastéli (honey bars made with sesame, almonds or pistachios), mandoláto (a "pastéli" made of crushed almonds, sugar, honey and vanilla), and tzitzibíra, the local ginger beer,