Tampa is close to halfway.
Russelldale, West Virginia is halfway between Ashland & Philadelphia
Harlem, FL is about half way between Ft Myers, FL and West Palm Beach, FL.
The Atchafalaya Basin Bridge in Maringouin, LA, but anything west of Baton Rouge would be OK.
485 miles taking this route:Go over to I-275. Follow signs to I-275 NORTH.Take I-275 NORTH to I-75 NORTH north of Tampa.Take I-75 NORTH to I-10 to JACKSONVILLE and TALLAHASSEE at EXIT 435 near Lake City. Follow signs on the exit ramp to I-10 WEST to TALLAHASSEE.Take I-10 WEST to Pensacola.
Charleston, West Virginia
West Monroe, LA
Lanesville, Indiana.
West Manchester, Ohio
Halfway between west palm beach fl and kannapolis nc
West Des Moines, Iowa
West Haven, North Carolina.
The halfway point between Charleston, Texas and Austin, Texas falls in or around Belton, Texas.