Thomas Welby was the 2nd bishop of the island how far east of Rio de Janeiro?
Thomas Welby:  The younger son of a baronet, he served in the army for eight years, but, after leaving 1837, served as a missionary in Canada, where he became a rector, and later as an archdeacon in South Africa, before going on to be consecrated as the second bishop of the island Saint Helena in the Anglican church. Saint Helena: Saint Helena ( ) is a volcanic tropical island in the South Atlantic Ocean, 4,000 km east of Rio de Janeiro and 1,950 kilometres (1,210 mi) west of the Cunene River, which marks the border between Namibia and Angola in southwestern Africa.
4,000 km