| Orestiada to Oswego (Illinois) | 5,399.40 mi (8,689.50 km) |
| Orestiada to Oswego (New York) | 4,874.08 mi (7,844.08 km) |
| Orestiada to Otsego (Minnesota) | 5,397.30 mi (8,686.12 km) |
| Orestiada to Ottawa (Illinois) | 5,433.26 mi (8,743.99 km) |
| Orestiada to Ottawa (Kansas) | 5,802.05 mi (9,337.50 km) |
| Orestiada to Ottumwa (Iowa) | 5,576.85 mi (8,975.08 km) |
| Orestiada to Overland (Missouri) | 5,623.20 mi (9,049.67 km) |
| Orestiada to Overland Park (Kansas) | 5,766.87 mi (9,280.89 km) |
| Orestiada to Overlea (Maryland) | 5,055.66 mi (8,136.29 km) |
| Orestiada to Oviedo (Florida) | 5,751.20 mi (9,255.66 km) |
| Orestiada to Owasso (Oklahoma) | 5,945.01 mi (9,567.56 km) |
| Orestiada to Owatonna (Minnesota) | 5,445.47 mi (8,763.63 km) |
| Orestiada to Owensboro (Kentucky) | 5,549.36 mi (8,930.83 km) |
| Orestiada to Owings Mills (Maryland) | 5,064.67 mi (8,150.80 km) |
| Orestiada to Owosso (Michigan) | 5,184.72 mi (8,344.01 km) |
