| Koflach to Oswego (Illinois) | 4,723.34 mi (7,601.49 km) |
| Koflach to Oswego (New York) | 4,192.12 mi (6,746.56 km) |
| Koflach to Otsego (Minnesota) | 4,733.75 mi (7,618.24 km) |
| Koflach to Ottawa (Illinois) | 4,757.26 mi (7,656.07 km) |
| Koflach to Ottawa (Kansas) | 5,129.54 mi (8,255.20 km) |
| Koflach to Ottumwa (Iowa) | 4,904.28 mi (7,892.68 km) |
| Koflach to Overland (Missouri) | 4,945.54 mi (7,959.08 km) |
| Koflach to Overland Park (Kansas) | 5,094.04 mi (8,198.07 km) |
| Koflach to Overlea (Maryland) | 4,372.46 mi (7,036.79 km) |
| Koflach to Oviedo (Florida) | 5,071.14 mi (8,161.21 km) |
| Koflach to Owasso (Oklahoma) | 5,270.17 mi (8,481.52 km) |
| Koflach to Owatonna (Minnesota) | 4,779.07 mi (7,691.17 km) |
| Koflach to Owensboro (Kentucky) | 4,868.49 mi (7,835.07 km) |
| Koflach to Owings Mills (Maryland) | 4,381.48 mi (7,051.31 km) |
| Koflach to Owosso (Michigan) | 4,506.66 mi (7,252.77 km) |
