| Signa to Oswego (Illinois) | 4,710.59 mi (7,580.96 km) |
| Signa to Oswego (New York) | 4,155.58 mi (6,687.77 km) |
| Signa to Otsego (Minnesota) | 4,750.23 mi (7,644.76 km) |
| Signa to Ottawa (Illinois) | 4,744.53 mi (7,635.58 km) |
| Signa to Ottawa (Kansas) | 5,124.93 mi (8,247.77 km) |
| Signa to Ottumwa (Iowa) | 4,900.49 mi (7,886.58 km) |
| Signa to Overland (Missouri) | 4,926.59 mi (7,928.58 km) |
| Signa to Overland Park (Kansas) | 5,088.75 mi (8,189.56 km) |
| Signa to Overlea (Maryland) | 4,316.94 mi (6,947.45 km) |
| Signa to Oviedo (Florida) | 4,984.96 mi (8,022.52 km) |
| Signa to Owasso (Oklahoma) | 5,258.76 mi (8,463.16 km) |
| Signa to Owatonna (Minnesota) | 4,789.77 mi (7,708.38 km) |
| Signa to Owensboro (Kentucky) | 4,836.18 mi (7,783.08 km) |
| Signa to Owings Mills (Maryland) | 4,326.92 mi (6,963.51 km) |
| Signa to Owosso (Michigan) | 4,488.08 mi (7,222.87 km) |
