| Ardahan to Ridgeland (Mississippi) | 6,535.34 mi (10,517.61 km) |
| Ardahan to Ridgewood (New Jersey) | 5,523.49 mi (8,889.21 km) |
| Ardahan to Rifle (Colorado) | 6,563.46 mi (10,562.87 km) |
| Ardahan to Rincon (Georgia) | 6,235.30 mi (10,034.75 km) |
| Ardahan to Ringwood (New Jersey) | 5,522.98 mi (8,888.38 km) |
| Ardahan to Río Grande (Puerto Rico) | 6,297.75 mi (10,135.25 km) |
| Ardahan to Rio Grande City (Texas) | 7,162.60 mi (11,527.08 km) |
| Ardahan to Rio Linda (California) | 6,833.41 mi (10,997.32 km) |
| Ardahan to Rio Rancho (New Mexico) | 6,812.57 mi (10,963.77 km) |
| Ardahan to Rio Rico (Arizona) | 7,146.82 mi (11,501.70 km) |
| Ardahan to Ripon (California) | 6,893.74 mi (11,094.41 km) |
| Ardahan to River Edge (New Jersey) | 5,523.64 mi (8,889.44 km) |
| Ardahan to River Falls (Wisconsin) | 5,885.36 mi (9,471.57 km) |
| Ardahan to River Forest (Illinois) | 5,922.49 mi (9,531.33 km) |
| Ardahan to River Grove (Illinois) | 5,921.38 mi (9,529.54 km) |
