| Ardahan to Red Bank (New Jersey) | 5,553.88 mi (8,938.11 km) |
| Ardahan to Red Bank (Tennessee) | 6,223.35 mi (10,015.52 km) |
| Ardahan to Red Bluff (California) | 6,741.54 mi (10,849.45 km) |
| Ardahan to Red Hill (South Carolina) | 6,074.43 mi (9,775.84 km) |
| Ardahan to Red Oak (Texas) | 6,732.53 mi (10,834.96 km) |
| Ardahan to Red Wing (Minnesota) | 5,901.15 mi (9,496.98 km) |
| Ardahan to Redan (Georgia) | 6,260.74 mi (10,075.68 km) |
| Ardahan to Redding (California) | 6,715.97 mi (10,808.31 km) |
| Ardahan to Redland (Maryland) | 5,725.79 mi (9,214.78 km) |
| Ardahan to Redlands (California) | 7,088.24 mi (11,407.41 km) |
| Ardahan to Redmond (Oregon) | 6,453.98 mi (10,386.68 km) |
| Ardahan to Redmond (Washington) | 6,232.09 mi (10,029.58 km) |
| Ardahan to Redondo Beach (California) | 7,118.99 mi (11,456.91 km) |
| Ardahan to Redwood City (California) | 6,922.25 mi (11,140.29 km) |
| Ardahan to Reedley (California) | 6,949.94 mi (11,184.85 km) |
