| Viareggio to Oswego (Illinois) | 4,673.38 mi (7,521.07 km) |
| Viareggio to Oswego (New York) | 4,116.93 mi (6,625.55 km) |
| Viareggio to Otsego (Minnesota) | 4,715.25 mi (7,588.46 km) |
| Viareggio to Ottawa (Illinois) | 4,707.31 mi (7,575.68 km) |
| Viareggio to Ottawa (Kansas) | 5,088.20 mi (8,188.66 km) |
| Viareggio to Ottumwa (Iowa) | 4,863.88 mi (7,827.65 km) |
| Viareggio to Overland (Missouri) | 4,888.89 mi (7,867.92 km) |
| Viareggio to Overland Park (Kansas) | 5,051.98 mi (8,130.38 km) |
| Viareggio to Overlea (Maryland) | 4,277.15 mi (6,883.41 km) |
| Viareggio to Oviedo (Florida) | 4,943.65 mi (7,956.04 km) |
| Viareggio to Owasso (Oklahoma) | 5,221.52 mi (8,403.22 km) |
| Viareggio to Owatonna (Minnesota) | 4,754.30 mi (7,651.31 km) |
| Viareggio to Owensboro (Kentucky) | 4,797.63 mi (7,721.04 km) |
| Viareggio to Owings Mills (Maryland) | 4,287.18 mi (6,899.55 km) |
| Viareggio to Owosso (Michigan) | 4,450.52 mi (7,162.41 km) |
