| Perama to Oswego (Illinois) | 5,463.75 mi (8,793.06 km) |
| Perama to Oswego (New York) | 4,916.13 mi (7,911.75 km) |
| Perama to Otsego (Minnesota) | 5,487.77 mi (8,831.71 km) |
| Perama to Ottawa (Illinois) | 5,497.71 mi (8,847.70 km) |
| Perama to Ottawa (Kansas) | 5,874.74 mi (9,454.47 km) |
| Perama to Ottumwa (Iowa) | 5,649.72 mi (9,092.35 km) |
| Perama to Overland (Missouri) | 5,682.36 mi (9,144.88 km) |
| Perama to Overland Park (Kansas) | 5,838.86 mi (9,396.73 km) |
| Perama to Overlea (Maryland) | 5,080.61 mi (8,176.46 km) |
| Perama to Oviedo (Florida) | 5,746.73 mi (9,248.48 km) |
| Perama to Owasso (Oklahoma) | 6,011.77 mi (9,675.01 km) |
| Perama to Owatonna (Minnesota) | 5,530.97 mi (8,901.23 km) |
| Perama to Owensboro (Kentucky) | 5,596.10 mi (9,006.06 km) |
| Perama to Owings Mills (Maryland) | 5,090.52 mi (8,192.40 km) |
| Perama to Owosso (Michigan) | 5,243.38 mi (8,438.40 km) |
