| Siverek to Oswego (Illinois) | 6,034.66 mi (9,711.85 km) |
| Siverek to Oswego (New York) | 5,537.84 mi (8,912.29 km) |
| Siverek to Otsego (Minnesota) | 5,997.28 mi (9,651.70 km) |
| Siverek to Ottawa (Illinois) | 6,068.15 mi (9,765.75 km) |
| Siverek to Ottawa (Kansas) | 6,423.53 mi (10,337.66 km) |
| Siverek to Ottumwa (Iowa) | 6,199.87 mi (9,977.72 km) |
| Siverek to Overland (Missouri) | 6,263.18 mi (10,079.62 km) |
| Siverek to Overland Park (Kansas) | 6,389.56 mi (10,283.00 km) |
| Siverek to Overlea (Maryland) | 5,734.58 mi (9,228.92 km) |
| Siverek to Oviedo (Florida) | 6,450.43 mi (10,380.96 km) |
| Siverek to Owasso (Oklahoma) | 6,573.15 mi (10,578.46 km) |
| Siverek to Owatonna (Minnesota) | 6,052.22 mi (9,740.11 km) |
| Siverek to Owensboro (Kentucky) | 6,204.09 mi (9,984.52 km) |
| Siverek to Owings Mills (Maryland) | 5,742.77 mi (9,242.10 km) |
| Siverek to Owosso (Michigan) | 5,828.37 mi (9,379.86 km) |
