| Glyka Nera to Olympia Heights (Florida) | 5,849.07 mi (9,413.17 km) |
| Glyka Nera to Omaha (Nebraska) | 5,779.50 mi (9,301.20 km) |
| Glyka Nera to On Top of the World Designated Place (Florida) | 5,789.78 mi (9,317.74 km) |
| Glyka Nera to Onalaska (Wisconsin) | 5,476.98 mi (8,814.35 km) |
| Glyka Nera to Oneida (New York) | 4,906.78 mi (7,896.71 km) |
| Glyka Nera to Oneonta (New York) | 4,906.35 mi (7,896.01 km) |
| Glyka Nera to Ontario (California) | 6,879.45 mi (11,071.41 km) |
| Glyka Nera to Ontario (Oregon) | 6,263.88 mi (10,080.75 km) |
| Glyka Nera to Opa-locka (Florida) | 5,837.30 mi (9,394.22 km) |
| Glyka Nera to Opelika (Alabama) | 5,767.23 mi (9,281.46 km) |
| Glyka Nera to Opelousas (Louisiana) | 6,155.87 mi (9,906.91 km) |
| Glyka Nera to Orange (California) | 6,899.71 mi (11,104.01 km) |
| Glyka Nera to Orange (Texas) | 6,246.09 mi (10,052.12 km) |
| Glyka Nera to Orange City (Florida) | 5,751.32 mi (9,255.86 km) |
| Glyka Nera to Orangeburg (South Carolina) | 5,531.16 mi (8,901.55 km) |
