| Campiglia Marittima to Orangevale (California) | 6,034.37 mi (9,711.38 km) |
| Campiglia Marittima to Orchards (Washington) | 5,663.89 mi (9,115.15 km) |
| Campiglia Marittima to Orcutt (California) | 6,230.90 mi (10,027.66 km) |
| Campiglia Marittima to Oregon (Ohio) | 4,523.03 mi (7,279.11 km) |
| Campiglia Marittima to Oregon (Wisconsin) | 4,709.02 mi (7,578.44 km) |
| Campiglia Marittima to Oregon City (Oregon) | 5,685.72 mi (9,150.29 km) |
| Campiglia Marittima to Orem (Utah) | 5,647.25 mi (9,088.37 km) |
| Campiglia Marittima to Orinda (California) | 6,109.38 mi (9,832.10 km) |
| Campiglia Marittima to Orland Park (Illinois) | 4,705.67 mi (7,573.05 km) |
| Campiglia Marittima to Orlando (Florida) | 4,996.84 mi (8,041.64 km) |
| Campiglia Marittima to Ormond Beach (Florida) | 4,949.55 mi (7,965.53 km) |
| Campiglia Marittima to Oro Valley (Arizona) | 6,048.03 mi (9,733.36 km) |
| Campiglia Marittima to Oroville (California) | 5,997.27 mi (9,651.67 km) |
| Campiglia Marittima to Oshkosh (Wisconsin) | 4,629.18 mi (7,449.95 km) |
| Campiglia Marittima to Oskaloosa (Iowa) | 4,909.11 mi (7,900.45 km) |
