| Ruislip to Odessa (Texas) | 4,992.10 mi (8,034.00 km) |
| Ruislip to Ogden (Utah) | 4,825.01 mi (7,765.10 km) |
| Ruislip to Oildale (California) | 5,373.68 mi (8,648.10 km) |
| Ruislip to Ojus (Florida) | 4,403.57 mi (7,086.86 km) |
| Ruislip to Okemos (Michigan) | 3,772.69 mi (6,071.55 km) |
| Ruislip to Oklahoma City (Oklahoma) | 4,622.98 mi (7,439.96 km) |
| Ruislip to Okmulgee (Oklahoma) | 4,558.45 mi (7,336.12 km) |
| Ruislip to Olathe (Kansas) | 4,349.35 mi (6,999.60 km) |
| Ruislip to Old Jamestown (Missouri) | 4,179.46 mi (6,726.19 km) |
| Ruislip to Oldsmar (Florida) | 4,403.78 mi (7,087.19 km) |
| Ruislip to Olean (New York) | 3,566.18 mi (5,739.20 km) |
| Ruislip to Olive Branch (Mississippi) | 4,352.25 mi (7,004.27 km) |
| Ruislip to Olivehurst (California) | 5,240.52 mi (8,433.81 km) |
| Ruislip to Olney (Maryland) | 3,641.32 mi (5,860.14 km) |
| Ruislip to Olympia (Washington) | 4,819.61 mi (7,756.42 km) |
