1) Across the country 2) Across the nation 3) From coast to coast 4) Internally 5) Locally 6) Nationwide 
• (adv.) In a national manner or way; as a nation. • (adv.) In a national manner or way; as a nation.
Na'tion·al·ly adverb In a national manner or way; as a nation. 'The jews . . . being nationally espoused to God by covenant.' South. 
[adv] - extending throughout an entire nation 2. [adv] - with regard to a nation taken as a whole
nationwide adverb extending throughout an entire nation; `nationally advertised`; `it was broadcast nationwide`