| Casamassima to Orangevale (California) | 6,334.74 mi (10,194.78 km) |
| Casamassima to Orchards (Washington) | 5,948.60 mi (9,573.35 km) |
| Casamassima to Orcutt (California) | 6,539.41 mi (10,524.17 km) |
| Casamassima to Oregon (Ohio) | 4,869.40 mi (7,836.54 km) |
| Casamassima to Oregon (Wisconsin) | 5,049.16 mi (8,125.84 km) |
| Casamassima to Oregon City (Oregon) | 5,970.96 mi (9,609.33 km) |
| Casamassima to Orem (Utah) | 5,963.36 mi (9,597.10 km) |
| Casamassima to Orinda (California) | 6,409.02 mi (10,314.32 km) |
| Casamassima to Orland Park (Illinois) | 5,048.88 mi (8,125.39 km) |
| Casamassima to Orlando (Florida) | 5,351.67 mi (8,612.68 km) |
| Casamassima to Ormond Beach (Florida) | 5,304.33 mi (8,536.49 km) |
| Casamassima to Oro Valley (Arizona) | 6,377.59 mi (10,263.75 km) |
| Casamassima to Oroville (California) | 6,295.47 mi (10,131.59 km) |
| Casamassima to Oshkosh (Wisconsin) | 4,968.44 mi (7,995.93 km) |
| Casamassima to Oskaloosa (Iowa) | 5,248.59 mi (8,446.79 km) |
