| Schaffhausen to Oswego (Illinois) | 4,454.96 mi (7,169.56 km) |
| Schaffhausen to Oswego (New York) | 3,912.39 mi (6,296.38 km) |
| Schaffhausen to Otsego (Minnesota) | 4,481.14 mi (7,211.70 km) |
| Schaffhausen to Ottawa (Illinois) | 4,488.91 mi (7,224.20 km) |
| Schaffhausen to Ottawa (Kansas) | 4,865.60 mi (7,830.43 km) |
| Schaffhausen to Ottumwa (Iowa) | 4,640.60 mi (7,468.32 km) |
| Schaffhausen to Overland (Missouri) | 4,674.33 mi (7,522.60 km) |
| Schaffhausen to Overland Park (Kansas) | 4,829.73 mi (7,772.69 km) |
| Schaffhausen to Overlea (Maryland) | 4,085.48 mi (6,574.94 km) |
| Schaffhausen to Oviedo (Florida) | 4,775.09 mi (7,684.76 km) |
| Schaffhausen to Owasso (Oklahoma) | 5,002.88 mi (8,051.36 km) |
| Schaffhausen to Owatonna (Minnesota) | 4,523.17 mi (7,279.33 km) |
| Schaffhausen to Owensboro (Kentucky) | 4,591.13 mi (7,388.70 km) |
| Schaffhausen to Owings Mills (Maryland) | 4,094.85 mi (6,590.03 km) |
| Schaffhausen to Owosso (Michigan) | 4,235.26 mi (6,815.99 km) |
