| Royal Leamington Spa to Orangevale (California) | 5,184.95 mi (8,344.36 km) |
| Royal Leamington Spa to Orchards (Washington) | 4,819.37 mi (7,756.02 km) |
| Royal Leamington Spa to Orcutt (California) | 5,381.28 mi (8,660.34 km) |
| Royal Leamington Spa to Oregon (Ohio) | 3,719.06 mi (5,985.25 km) |
| Royal Leamington Spa to Oregon (Wisconsin) | 3,886.43 mi (6,254.60 km) |
| Royal Leamington Spa to Oregon City (Oregon) | 4,840.94 mi (7,790.75 km) |
| Royal Leamington Spa to Orem (Utah) | 4,799.10 mi (7,723.41 km) |
| Royal Leamington Spa to Orinda (California) | 5,260.05 mi (8,465.23 km) |
| Royal Leamington Spa to Orland Park (Illinois) | 3,890.88 mi (6,261.77 km) |
| Royal Leamington Spa to Orlando (Florida) | 4,270.51 mi (6,872.72 km) |
| Royal Leamington Spa to Ormond Beach (Florida) | 4,219.42 mi (6,790.49 km) |
| Royal Leamington Spa to Oro Valley (Arizona) | 5,208.60 mi (8,382.43 km) |
| Royal Leamington Spa to Oroville (California) | 5,148.19 mi (8,285.21 km) |
| Royal Leamington Spa to Oshkosh (Wisconsin) | 3,804.74 mi (6,123.13 km) |
| Royal Leamington Spa to Oskaloosa (Iowa) | 4,084.89 mi (6,573.99 km) |
