| Spilimbergo to Oswego (Illinois) | 4,680.97 mi (7,533.29 km) |
| Spilimbergo to Oswego (New York) | 4,140.19 mi (6,662.99 km) |
| Spilimbergo to Otsego (Minnesota) | 4,702.94 mi (7,568.65 km) |
| Spilimbergo to Ottawa (Illinois) | 4,714.92 mi (7,587.93 km) |
| Spilimbergo to Ottawa (Kansas) | 5,090.65 mi (8,192.62 km) |
| Spilimbergo to Ottumwa (Iowa) | 4,865.55 mi (7,830.35 km) |
| Spilimbergo to Overland (Missouri) | 4,900.94 mi (7,887.29 km) |
| Spilimbergo to Overland Park (Kansas) | 5,054.86 mi (8,135.02 km) |
| Spilimbergo to Overlea (Maryland) | 4,313.59 mi (6,942.05 km) |
| Spilimbergo to Oviedo (Florida) | 5,001.65 mi (8,049.39 km) |
| Spilimbergo to Owasso (Oklahoma) | 5,228.73 mi (8,414.83 km) |
| Spilimbergo to Owatonna (Minnesota) | 4,745.98 mi (7,637.91 km) |
| Spilimbergo to Owensboro (Kentucky) | 4,818.70 mi (7,754.95 km) |
| Spilimbergo to Owings Mills (Maryland) | 4,322.97 mi (6,957.15 km) |
| Spilimbergo to Owosso (Michigan) | 4,461.86 mi (7,180.66 km) |
