| Ardahan to Orangevale (California) | 6,830.88 mi (10,993.23 km) |
| Ardahan to Orchards (Washington) | 6,370.59 mi (10,252.48 km) |
| Ardahan to Orcutt (California) | 7,078.81 mi (11,392.25 km) |
| Ardahan to Oregon (Ohio) | 5,801.85 mi (9,337.17 km) |
| Ardahan to Oregon (Wisconsin) | 5,909.34 mi (9,510.17 km) |
| Ardahan to Oregon City (Oregon) | 6,394.71 mi (10,291.29 km) |
| Ardahan to Orem (Utah) | 6,586.99 mi (10,600.73 km) |
| Ardahan to Orinda (California) | 6,896.13 mi (11,098.25 km) |
| Ardahan to Orland Park (Illinois) | 5,940.02 mi (9,559.53 km) |
| Ardahan to Orlando (Florida) | 6,444.97 mi (10,372.18 km) |
| Ardahan to Ormond Beach (Florida) | 6,391.80 mi (10,286.61 km) |
| Ardahan to Oro Valley (Arizona) | 7,086.54 mi (11,404.68 km) |
| Ardahan to Oroville (California) | 6,779.86 mi (10,911.12 km) |
| Ardahan to Oshkosh (Wisconsin) | 5,823.34 mi (9,371.77 km) |
| Ardahan to Oskaloosa (Iowa) | 6,094.78 mi (9,808.61 km) |
