| Schwabisch Gmund to Oswego (Illinois) | 4,455.53 mi (7,170.48 km) |
| Schwabisch Gmund to Oswego (New York) | 3,920.91 mi (6,310.10 km) |
| Schwabisch Gmund to Otsego (Minnesota) | 4,472.31 mi (7,197.49 km) |
| Schwabisch Gmund to Ottawa (Illinois) | 4,489.46 mi (7,225.09 km) |
| Schwabisch Gmund to Ottawa (Kansas) | 4,863.44 mi (7,826.95 km) |
| Schwabisch Gmund to Ottumwa (Iowa) | 4,638.23 mi (7,464.52 km) |
| Schwabisch Gmund to Overland (Missouri) | 4,676.81 mi (7,526.60 km) |
| Schwabisch Gmund to Overland Park (Kansas) | 4,827.79 mi (7,769.57 km) |
| Schwabisch Gmund to Overlea (Maryland) | 4,100.08 mi (6,598.43 km) |
| Schwabisch Gmund to Oviedo (Florida) | 4,799.12 mi (7,723.44 km) |
| Schwabisch Gmund to Owasso (Oklahoma) | 5,002.84 mi (8,051.30 km) |
| Schwabisch Gmund to Owatonna (Minnesota) | 4,516.19 mi (7,268.10 km) |
| Schwabisch Gmund to Owensboro (Kentucky) | 4,597.93 mi (7,399.66 km) |
| Schwabisch Gmund to Owings Mills (Maryland) | 4,109.13 mi (6,613.01 km) |
| Schwabisch Gmund to Owosso (Michigan) | 4,237.79 mi (6,820.07 km) |
