| Trento to Oswego (Illinois) | 4,616.05 mi (7,428.82 km) |
| Trento to Oswego (New York) | 4,071.06 mi (6,551.74 km) |
| Trento to Otsego (Minnesota) | 4,643.73 mi (7,473.37 km) |
| Trento to Ottawa (Illinois) | 4,650.01 mi (7,483.47 km) |
| Trento to Ottawa (Kansas) | 5,027.27 mi (8,090.61 km) |
| Trento to Ottumwa (Iowa) | 4,802.32 mi (7,728.59 km) |
| Trento to Overland (Missouri) | 4,834.89 mi (7,781.01 km) |
| Trento to Overland Park (Kansas) | 4,991.35 mi (8,032.81 km) |
| Trento to Overlea (Maryland) | 4,241.41 mi (6,825.90 km) |
| Trento to Oviedo (Florida) | 4,925.18 mi (7,926.31 km) |
| Trento to Owasso (Oklahoma) | 5,164.07 mi (8,310.77 km) |
| Trento to Owatonna (Minnesota) | 4,685.59 mi (7,540.73 km) |
| Trento to Owensboro (Kentucky) | 4,750.32 mi (7,644.89 km) |
| Trento to Owings Mills (Maryland) | 4,250.95 mi (6,841.24 km) |
| Trento to Owosso (Michigan) | 4,395.87 mi (7,074.47 km) |
