| Schwelm to Oswego (Illinois) | 4,267.39 mi (6,867.70 km) |
| Schwelm to Oswego (New York) | 3,740.75 mi (6,020.15 km) |
| Schwelm to Otsego (Minnesota) | 4,277.05 mi (6,883.25 km) |
| Schwelm to Ottawa (Illinois) | 4,301.29 mi (6,922.25 km) |
| Schwelm to Ottawa (Kansas) | 4,672.84 mi (7,520.21 km) |
| Schwelm to Ottumwa (Iowa) | 4,447.57 mi (7,157.68 km) |
| Schwelm to Overland (Missouri) | 4,490.23 mi (7,226.33 km) |
| Schwelm to Overland Park (Kansas) | 4,637.38 mi (7,463.14 km) |
| Schwelm to Overlea (Maryland) | 3,926.54 mi (6,319.15 km) |
| Schwelm to Oviedo (Florida) | 4,637.04 mi (7,462.60 km) |
| Schwelm to Owasso (Oklahoma) | 4,813.91 mi (7,747.24 km) |
| Schwelm to Owatonna (Minnesota) | 4,322.15 mi (6,955.83 km) |
| Schwelm to Owensboro (Kentucky) | 4,415.51 mi (7,106.07 km) |
| Schwelm to Owings Mills (Maryland) | 3,935.21 mi (6,333.11 km) |
| Schwelm to Owosso (Michigan) | 4,051.52 mi (6,520.29 km) |
