| Sint-Lievens-Houtem to Orangevale (California) | 5,411.85 mi (8,709.53 km) |
| Sint-Lievens-Houtem to Orchards (Washington) | 5,036.61 mi (8,105.63 km) |
| Sint-Lievens-Houtem to Orcutt (California) | 5,612.85 mi (9,033.01 km) |
| Sint-Lievens-Houtem to Oregon (Ohio) | 3,969.15 mi (6,387.73 km) |
| Sint-Lievens-Houtem to Oregon (Wisconsin) | 4,134.49 mi (6,653.82 km) |
| Sint-Lievens-Houtem to Oregon City (Oregon) | 5,058.53 mi (8,140.92 km) |
| Sint-Lievens-Houtem to Orem (Utah) | 5,034.87 mi (8,102.83 km) |
| Sint-Lievens-Houtem to Orinda (California) | 5,486.56 mi (8,829.77 km) |
| Sint-Lievens-Houtem to Orland Park (Illinois) | 4,140.04 mi (6,662.75 km) |
| Sint-Lievens-Houtem to Orlando (Florida) | 4,517.96 mi (7,270.96 km) |
| Sint-Lievens-Houtem to Ormond Beach (Florida) | 4,467.18 mi (7,189.23 km) |
| Sint-Lievens-Houtem to Oro Valley (Arizona) | 5,451.26 mi (8,772.96 km) |
| Sint-Lievens-Houtem to Oroville (California) | 5,373.82 mi (8,648.32 km) |
| Sint-Lievens-Houtem to Oshkosh (Wisconsin) | 4,052.50 mi (6,521.87 km) |
| Sint-Lievens-Houtem to Oskaloosa (Iowa) | 4,332.58 mi (6,972.62 km) |
