| Niceville to Orangevale (California) | 2,041.21 mi (3,285.01 km) |
| Niceville to Orchards (Washington) | 2,196.83 mi (3,535.46 km) |
| Niceville to Orcutt (California) | 1,986.88 mi (3,197.58 km) |
| Niceville to Oregon (Ohio) | 786.95 mi (1,266.48 km) |
| Niceville to Oregon (Wisconsin) | 871.42 mi (1,402.41 km) |
| Niceville to Oregon City (Oregon) | 2,193.30 mi (3,529.78 km) |
| Niceville to Orem (Utah) | 1,565.17 mi (2,518.89 km) |
| Niceville to Orinda (California) | 2,088.85 mi (3,361.68 km) |
| Niceville to Orland Park (Illinois) | 769.33 mi (1,238.11 km) |
| Niceville to Orlando (Florida) | 339.87 mi (546.97 km) |
| Niceville to Ormond Beach (Florida) | 332.81 mi (535.60 km) |
| Niceville to Oro Valley (Arizona) | 1,446.58 mi (2,328.04 km) |
| Niceville to Oroville (California) | 2,065.26 mi (3,323.72 km) |
| Niceville to Oshkosh (Wisconsin) | 939.27 mi (1,511.61 km) |
| Niceville to Oskaloosa (Iowa) | 819.23 mi (1,318.43 km) |
