How many letters does the top answer for “occurring or extending throughout a city” have?

The most common answer is citywide (8 letters).

Crossword clue: occurring or extending throughout a city

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

citywide 8 letters wn-def

occurring or extending throughout a city

occurring or extending throughout a county 60% similar → countywide

occurring or extending throughout a state 60% similar → statewide

occurring or extending throughout a country or nation 50% similar → countrywide, nationwide