| Royal Leamington Spa to Oakley (California) | 5,239.21 mi (8,431.70 km) |
| Royal Leamington Spa to Oakton (Virginia) | 3,602.42 mi (5,797.54 km) |
| Royal Leamington Spa to Oakville (Missouri) | 4,135.96 mi (6,656.19 km) |
| Royal Leamington Spa to Oatfield (Oregon) | 4,836.93 mi (7,784.29 km) |
| Royal Leamington Spa to Ocala (Florida) | 4,268.89 mi (6,870.12 km) |
| Royal Leamington Spa to Ocean Acres (New Jersey) | 3,441.54 mi (5,538.62 km) |
| Royal Leamington Spa to Ocean City (New Jersey) | 3,475.83 mi (5,593.81 km) |
| Royal Leamington Spa to Ocean Pines (Maryland) | 3,537.99 mi (5,693.84 km) |
| Royal Leamington Spa to Ocean Pointe (Hawaii) | 7,157.25 mi (11,518.48 km) |
| Royal Leamington Spa to Ocean Springs (Mississippi) | 4,477.34 mi (7,205.59 km) |
| Royal Leamington Spa to Oceanside (California) | 5,376.66 mi (8,652.90 km) |
| Royal Leamington Spa to Oceanside (New York) | 3,376.08 mi (5,433.28 km) |
| Royal Leamington Spa to Ocoee (Florida) | 4,273.48 mi (6,877.51 km) |
| Royal Leamington Spa to Oconomowoc (Wisconsin) | 3,844.97 mi (6,187.88 km) |
| Royal Leamington Spa to Odenton (Maryland) | 3,569.79 mi (5,745.01 km) |
