| Solothurn to Oswego (Illinois) | 4,431.58 mi (7,131.94 km) |
| Solothurn to Oswego (New York) | 3,884.43 mi (6,251.38 km) |
| Solothurn to Otsego (Minnesota) | 4,463.60 mi (7,183.46 km) |
| Solothurn to Ottawa (Illinois) | 4,465.53 mi (7,186.58 km) |
| Solothurn to Ottawa (Kansas) | 4,843.77 mi (7,795.29 km) |
| Solothurn to Ottumwa (Iowa) | 4,618.96 mi (7,433.50 km) |
| Solothurn to Overland (Missouri) | 4,649.72 mi (7,482.99 km) |
| Solothurn to Overland Park (Kansas) | 4,807.77 mi (7,737.35 km) |
| Solothurn to Overlea (Maryland) | 4,053.92 mi (6,524.15 km) |
| Solothurn to Oviedo (Florida) | 4,738.06 mi (7,625.17 km) |
| Solothurn to Owasso (Oklahoma) | 4,979.70 mi (8,014.06 km) |
| Solothurn to Owatonna (Minnesota) | 4,504.44 mi (7,249.20 km) |
| Solothurn to Owensboro (Kentucky) | 4,563.95 mi (7,344.97 km) |
| Solothurn to Owings Mills (Maryland) | 4,063.47 mi (6,539.53 km) |
| Solothurn to Owosso (Michigan) | 4,210.76 mi (6,776.57 km) |
