Tristan da Cunha
Population: 258 people
Accessible: by boat - nine boats during the year
Distance to Cape Town: 2787km
Population: 452 people
Accessible: by helicopter. Boat trips are possible only during the short summer season, twice a week from nearby Nerlerit Inaat.
Distance to Reykjavík: 707 km
Winter: 9 months, causing the sea to be frozen most of the year, which prevents access
Oymyakon, Sakha Republic, Russia
Population: around 500 people
Accessible: by car
Distance to Yakutsk: 928 km
Winter: Oymyakon is the coldest town in the world with a record low temperature of −67.7 °C.
Population: around 4,335 people
Distance to Juneau (Alaska’s capital city): 1768 km, with air travel taking 8 h 45 min with one stop
Specialty: May 10 - Aug 2, there are 24 hours of daylight, while beginning in November there are about 60 dark days without sun.
Population: nomadic Tibetan people
Distance to Lhasa: cca 1400 km.
Specialty: Inhospitable area within the high altitude Tibetan Plateau.