| Stamford to Orangevale (California) | 5,197.86 mi (8,365.15 km) |
| Stamford to Orchards (Washington) | 4,828.04 mi (7,769.99 km) |
| Stamford to Orcutt (California) | 5,396.49 mi (8,684.82 km) |
| Stamford to Oregon (Ohio) | 3,749.46 mi (6,034.17 km) |
| Stamford to Oregon (Wisconsin) | 3,913.33 mi (6,297.89 km) |
| Stamford to Oregon City (Oregon) | 4,849.77 mi (7,804.94 km) |
| Stamford to Orem (Utah) | 4,816.53 mi (7,751.46 km) |
| Stamford to Orinda (California) | 5,272.79 mi (8,485.73 km) |
| Stamford to Orland Park (Illinois) | 3,919.34 mi (6,307.56 km) |
| Stamford to Orlando (Florida) | 4,309.03 mi (6,934.72 km) |
| Stamford to Ormond Beach (Florida) | 4,257.67 mi (6,852.05 km) |
| Stamford to Oro Valley (Arizona) | 5,230.49 mi (8,417.66 km) |
| Stamford to Oroville (California) | 5,160.51 mi (8,305.04 km) |
| Stamford to Oshkosh (Wisconsin) | 3,831.27 mi (6,165.84 km) |
| Stamford to Oskaloosa (Iowa) | 4,111.34 mi (6,616.56 km) |
