How many letters does the top answer for “home of sap arena” have?

The most common answer is mannheim (8 letters).

Crossword clue: home of sap arena

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

mannheim 8 letters wd-fact-v3

a city in southwestern Germany at the confluence of the Rhine and Neckar rivers

home of allianz arena 50% similar → schwabingfreimann

home of arena aufschalke 50% similar → gelsenkirchennord

home of arena pantaloneta 50% similar → cuiaba

home of avicii arena 50% similar → stockholmmunicipality

home of bakcell arena 50% similar → azerbaijan, baku, nizamiraion

home of cadillac arena 50% similar → haidiandistrict

home of chang arena 50% similar → buriram

home of civic arena 50% similar → pittsburgh