Planet Fitness Share: Health & Fitness Planet Fitness Visit Website Request Info 317 N. Rock Road Derby, KS 67037 (316) 260-7474 Media Rep Info Map Media Whom to Contact Ian Cunningham Regional Director Phone: (316) 260-7474 Colton Leach Manager Phone: (316) 260-7474 What's Nearby? Distance: 5 10 15 20 25 50 mi.