| Trevignano to Oswego (Illinois) | 4,667.43 mi (7,511.50 km) |
| Trevignano to Oswego (New York) | 4,123.07 mi (6,635.43 km) |
| Trevignano to Otsego (Minnesota) | 4,693.87 mi (7,554.06 km) |
| Trevignano to Ottawa (Illinois) | 4,701.38 mi (7,566.15 km) |
| Trevignano to Ottawa (Kansas) | 5,078.36 mi (8,172.83 km) |
| Trevignano to Ottumwa (Iowa) | 4,853.37 mi (7,810.75 km) |
| Trevignano to Overland (Missouri) | 4,886.47 mi (7,864.01 km) |
| Trevignano to Overland Park (Kansas) | 5,042.46 mi (8,115.06 km) |
| Trevignano to Overlea (Maryland) | 4,293.69 mi (6,910.02 km) |
| Trevignano to Oviedo (Florida) | 4,977.41 mi (8,010.36 km) |
| Trevignano to Owasso (Oklahoma) | 5,215.41 mi (8,393.39 km) |
| Trevignano to Owatonna (Minnesota) | 4,736.02 mi (7,621.88 km) |
| Trevignano to Owensboro (Kentucky) | 4,802.24 mi (7,728.45 km) |
| Trevignano to Owings Mills (Maryland) | 4,303.21 mi (6,925.35 km) |
| Trevignano to Owosso (Michigan) | 4,447.43 mi (7,157.44 km) |
