| Cisterniga to Oswego (Illinois) | 4,130.13 mi (6,646.80 km) |
| Cisterniga to Oswego (New York) | 3,540.05 mi (5,697.15 km) |
| Cisterniga to Otsego (Minnesota) | 4,229.39 mi (6,806.54 km) |
| Cisterniga to Ottawa (Illinois) | 4,163.46 mi (6,700.45 km) |
| Cisterniga to Ottawa (Kansas) | 4,552.84 mi (7,327.09 km) |
| Cisterniga to Ottumwa (Iowa) | 4,334.25 mi (6,975.30 km) |
| Cisterniga to Overland (Missouri) | 4,330.07 mi (6,968.58 km) |
| Cisterniga to Overland Park (Kansas) | 4,515.99 mi (7,267.79 km) |
| Cisterniga to Overlea (Maryland) | 3,663.84 mi (5,896.38 km) |
| Cisterniga to Oviedo (Florida) | 4,274.18 mi (6,878.63 km) |
| Cisterniga to Owasso (Oklahoma) | 4,671.02 mi (7,517.28 km) |
| Cisterniga to Owatonna (Minnesota) | 4,255.72 mi (6,848.91 km) |
| Cisterniga to Owensboro (Kentucky) | 4,216.12 mi (6,785.19 km) |
| Cisterniga to Owings Mills (Maryland) | 3,675.34 mi (5,914.89 km) |
| Cisterniga to Owosso (Michigan) | 3,900.52 mi (6,277.27 km) |
