FedEx offers a bicycle shipping box. The FedEx bike box measures 54 x 8 x 28 (126-inches length + girth). FedEx Office will also securely pack your bicycle on your behalf.
Additionally, the ShipBikes xBike Shipper measures 43 x 11 x 32 (129-inches length + girth) and the BikeFlights Bike Box Medium measures 45 x 12 x 29 (127-inches length + girth).
Also, most local bike shops will pack your bike for a fee.