| Castenaso to Orangevale (California) | 5,977.68 mi (9,620.15 km) |
| Castenaso to Orchards (Washington) | 5,600.02 mi (9,012.37 km) |
| Castenaso to Orcutt (California) | 6,178.45 mi (9,943.26 km) |
| Castenaso to Oregon (Ohio) | 4,500.87 mi (7,243.45 km) |
| Castenaso to Oregon (Wisconsin) | 4,679.36 mi (7,530.70 km) |
| Castenaso to Oregon City (Oregon) | 5,622.08 mi (9,047.87 km) |
| Castenaso to Orem (Utah) | 5,599.02 mi (9,010.75 km) |
| Castenaso to Orinda (California) | 6,052.36 mi (9,740.33 km) |
| Castenaso to Orland Park (Illinois) | 4,679.43 mi (7,530.81 km) |
| Castenaso to Orlando (Florida) | 4,997.44 mi (8,042.60 km) |
| Castenaso to Ormond Beach (Florida) | 4,949.17 mi (7,964.92 km) |
| Castenaso to Oro Valley (Arizona) | 6,009.00 mi (9,670.55 km) |
| Castenaso to Oroville (California) | 5,939.52 mi (9,558.74 km) |
| Castenaso to Oshkosh (Wisconsin) | 4,598.61 mi (7,400.74 km) |
| Castenaso to Oskaloosa (Iowa) | 4,878.76 mi (7,851.61 km) |
