| Ermoupoli to Oswego (Illinois) | 5,541.77 mi (8,918.62 km) |
| Ermoupoli to Oswego (New York) | 4,995.89 mi (8,040.11 km) |
| Ermoupoli to Otsego (Minnesota) | 5,562.96 mi (8,952.73 km) |
| Ermoupoli to Ottawa (Illinois) | 5,575.72 mi (8,973.26 km) |
| Ermoupoli to Ottawa (Kansas) | 5,952.03 mi (9,578.87 km) |
| Ermoupoli to Ottumwa (Iowa) | 5,726.94 mi (9,216.63 km) |
| Ermoupoli to Overland (Missouri) | 5,760.90 mi (9,271.28 km) |
| Ermoupoli to Overland Park (Kansas) | 5,916.21 mi (9,521.23 km) |
| Ermoupoli to Overlea (Maryland) | 5,161.50 mi (8,306.64 km) |
| Ermoupoli to Oviedo (Florida) | 5,828.89 mi (9,380.70 km) |
| Ermoupoli to Owasso (Oklahoma) | 6,089.68 mi (9,800.40 km) |
| Ermoupoli to Owatonna (Minnesota) | 5,606.77 mi (9,023.22 km) |
| Ermoupoli to Owensboro (Kentucky) | 5,675.65 mi (9,134.07 km) |
| Ermoupoli to Owings Mills (Maryland) | 5,171.36 mi (8,322.50 km) |
| Ermoupoli to Owosso (Michigan) | 5,321.87 mi (8,564.72 km) |
