| Trofaiach to Oswego (Illinois) | 4,704.74 mi (7,571.55 km) |
| Trofaiach to Oswego (New York) | 4,175.07 mi (6,719.13 km) |
| Trofaiach to Otsego (Minnesota) | 4,713.55 mi (7,585.73 km) |
| Trofaiach to Ottawa (Illinois) | 4,738.65 mi (7,626.11 km) |
| Trofaiach to Ottawa (Kansas) | 5,110.40 mi (8,224.40 km) |
| Trofaiach to Ottumwa (Iowa) | 4,885.14 mi (7,861.87 km) |
| Trofaiach to Overland (Missouri) | 4,927.26 mi (7,929.66 km) |
| Trofaiach to Overland Park (Kansas) | 5,074.94 mi (8,167.33 km) |
| Trofaiach to Overlea (Maryland) | 4,356.61 mi (7,011.29 km) |
| Trofaiach to Oviedo (Florida) | 5,057.29 mi (8,138.93 km) |
| Trofaiach to Owasso (Oklahoma) | 5,251.39 mi (8,451.29 km) |
| Trofaiach to Owatonna (Minnesota) | 4,759.16 mi (7,659.13 km) |
| Trofaiach to Owensboro (Kentucky) | 4,851.02 mi (7,806.97 km) |
| Trofaiach to Owings Mills (Maryland) | 4,365.56 mi (7,025.70 km) |
| Trofaiach to Owosso (Michigan) | 4,488.44 mi (7,223.45 km) |
