| Olten to Oswego (Illinois) | 4,440.55 mi (7,146.37 km) |
| Olten to Oswego (New York) | 3,894.78 mi (6,268.04 km) |
| Olten to Otsego (Minnesota) | 4,470.77 mi (7,195.01 km) |
| Olten to Ottawa (Illinois) | 4,474.50 mi (7,201.02 km) |
| Olten to Ottawa (Kansas) | 4,852.28 mi (7,808.99 km) |
| Olten to Ottumwa (Iowa) | 4,627.40 mi (7,447.08 km) |
| Olten to Overland (Missouri) | 4,659.07 mi (7,498.05 km) |
| Olten to Overland Park (Kansas) | 4,816.31 mi (7,751.10 km) |
| Olten to Overlea (Maryland) | 4,065.36 mi (6,542.57 km) |
| Olten to Oviedo (Florida) | 4,751.15 mi (7,646.24 km) |
| Olten to Owasso (Oklahoma) | 4,988.63 mi (8,028.42 km) |
| Olten to Owatonna (Minnesota) | 4,511.99 mi (7,261.34 km) |
| Olten to Owensboro (Kentucky) | 4,574.08 mi (7,361.28 km) |
| Olten to Owings Mills (Maryland) | 4,074.86 mi (6,557.86 km) |
| Olten to Owosso (Michigan) | 4,220.07 mi (6,791.55 km) |
