The following bounding box stretches across 180 long. The wikibase:box correctly interprets the coordinates, but the map can't zoom on the area.
#defaultView:Map
SELECT * WHERE {
wd:Q47863 wdt:P625 ?SCloc . #Midway Atoll as NorthEast Point(-177.35 28.2) wd:Q43296 wdt:P625 ?SJloc . #Wake Island as SouthWest Point(166.633333333 19.3) SERVICE wikibase:box { ?place wdt:P625 ?location . bd:serviceParam wikibase:cornerNorthEast ?SCloc . bd:serviceParam wikibase:cornerSouthWest ?SJloc . } SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . ?place rdfs:label ?placeLabel }
}