Panama City East of Seaside: Approximately 40 miles or 45 minutes. MapQuest Directions. Fort Walton Beach West of Seaside: Approximately 40 miles or 45 minutes. MapQuest Directions. Pensacola West of Seaside: Approximately 70 miles or 1 1/2 hours. MapQuest Directions. Tallahassee East of Seaside: Approximately 140 miles or 2 1/2 hours MapQuest Directions.