| Palm Harbor to Orangeburg (South Carolina) | 389.96 mi (627.58 km) |
| Palm Harbor to Orangevale (California) | 2,317.96 mi (3,730.40 km) |
| Palm Harbor to Orchards (Washington) | 2,477.48 mi (3,987.12 km) |
| Palm Harbor to Orcutt (California) | 2,255.22 mi (3,629.42 km) |
| Palm Harbor to Oregon (Ohio) | 938.23 mi (1,509.93 km) |
| Palm Harbor to Oregon (Wisconsin) | 1,090.37 mi (1,754.79 km) |
| Palm Harbor to Oregon City (Oregon) | 2,474.07 mi (3,981.63 km) |
| Palm Harbor to Orem (Utah) | 1,845.62 mi (2,970.24 km) |
| Palm Harbor to Orinda (California) | 2,364.10 mi (3,804.65 km) |
| Palm Harbor to Orland Park (Illinois) | 977.80 mi (1,573.61 km) |
| Palm Harbor to Orlando (Florida) | 90.04 mi (144.91 km) |
| Palm Harbor to Ormond Beach (Florida) | 130.36 mi (209.79 km) |
| Palm Harbor to Oro Valley (Arizona) | 1,706.08 mi (2,745.66 km) |
| Palm Harbor to Oroville (California) | 2,343.17 mi (3,770.96 km) |
| Palm Harbor to Oshkosh (Wisconsin) | 1,147.31 mi (1,846.42 km) |
