| Sint-Joost-ten-Node to Oswego (Illinois) | 4,175.99 mi (6,720.61 km) |
| Sint-Joost-ten-Node to Oswego (New York) | 3,641.37 mi (5,860.22 km) |
| Sint-Joost-ten-Node to Otsego (Minnesota) | 4,195.57 mi (6,752.11 km) |
| Sint-Joost-ten-Node to Ottawa (Illinois) | 4,209.93 mi (6,775.23 km) |
| Sint-Joost-ten-Node to Ottawa (Kansas) | 4,584.43 mi (7,377.93 km) |
| Sint-Joost-ten-Node to Ottumwa (Iowa) | 4,359.26 mi (7,015.55 km) |
| Sint-Joost-ten-Node to Overland (Missouri) | 4,397.08 mi (7,076.41 km) |
| Sint-Joost-ten-Node to Overland Park (Kansas) | 4,548.73 mi (7,320.47 km) |
| Sint-Joost-ten-Node to Overlea (Maryland) | 3,821.97 mi (6,150.86 km) |
| Sint-Joost-ten-Node to Oviedo (Florida) | 4,525.58 mi (7,283.22 km) |
| Sint-Joost-ten-Node to Owasso (Oklahoma) | 4,723.42 mi (7,601.61 km) |
| Sint-Joost-ten-Node to Owatonna (Minnesota) | 4,238.66 mi (6,821.46 km) |
| Sint-Joost-ten-Node to Owensboro (Kentucky) | 4,318.18 mi (6,949.45 km) |
| Sint-Joost-ten-Node to Owings Mills (Maryland) | 3,830.92 mi (6,165.26 km) |
| Sint-Joost-ten-Node to Owosso (Michigan) | 3,958.05 mi (6,369.86 km) |
