| Ardahan to Oswego (Illinois) | 5,949.74 mi (9,575.18 km) |
| Ardahan to Oswego (New York) | 5,480.41 mi (8,819.86 km) |
| Ardahan to Otsego (Minnesota) | 5,887.17 mi (9,474.48 km) |
| Ardahan to Ottawa (Illinois) | 5,982.75 mi (9,628.30 km) |
| Ardahan to Ottawa (Kansas) | 6,325.85 mi (10,180.47 km) |
| Ardahan to Ottumwa (Iowa) | 6,104.63 mi (9,824.45 km) |
| Ardahan to Overland (Missouri) | 6,180.75 mi (9,946.96 km) |
| Ardahan to Overland Park (Kansas) | 6,292.97 mi (10,127.56 km) |
| Ardahan to Overlea (Maryland) | 5,691.61 mi (9,159.76 km) |
| Ardahan to Oviedo (Florida) | 6,429.54 mi (10,347.35 km) |
| Ardahan to Owasso (Oklahoma) | 6,479.60 mi (10,427.91 km) |
| Ardahan to Owatonna (Minnesota) | 5,946.31 mi (9,569.66 km) |
| Ardahan to Owensboro (Kentucky) | 6,134.61 mi (9,872.71 km) |
| Ardahan to Owings Mills (Maryland) | 5,698.85 mi (9,171.41 km) |
| Ardahan to Owosso (Michigan) | 5,751.43 mi (9,256.03 km) |
