| Staines-upon-Thames to Orangevale (California) | 5,257.97 mi (8,461.89 km) |
| Staines-upon-Thames to Orchards (Washington) | 4,892.97 mi (7,874.48 km) |
| Staines-upon-Thames to Orcutt (California) | 5,453.76 mi (8,776.98 km) |
| Staines-upon-Thames to Oregon (Ohio) | 3,783.29 mi (6,088.61 km) |
| Staines-upon-Thames to Oregon (Wisconsin) | 3,953.40 mi (6,362.39 km) |
| Staines-upon-Thames to Oregon City (Oregon) | 4,914.54 mi (7,909.18 km) |
| Staines-upon-Thames to Orem (Utah) | 4,870.91 mi (7,838.98 km) |
| Staines-upon-Thames to Orinda (California) | 5,333.11 mi (8,582.80 km) |
| Staines-upon-Thames to Orland Park (Illinois) | 3,956.70 mi (6,367.70 km) |
| Staines-upon-Thames to Orlando (Florida) | 4,325.33 mi (6,960.94 km) |
| Staines-upon-Thames to Ormond Beach (Florida) | 4,274.64 mi (6,879.36 km) |
| Staines-upon-Thames to Oro Valley (Arizona) | 5,278.50 mi (8,494.93 km) |
| Staines-upon-Thames to Oroville (California) | 5,221.33 mi (8,402.92 km) |
| Staines-upon-Thames to Oshkosh (Wisconsin) | 3,871.98 mi (6,231.35 km) |
| Staines-upon-Thames to Oskaloosa (Iowa) | 4,152.16 mi (6,682.25 km) |
