| Ardahan to Rosolini | 1,513.42 mi (2,435.62 km) |
| Ardahan to Rossano | 1,371.92 mi (2,207.90 km) |
| Ardahan to Rottofreno | 1,682.95 mi (2,708.45 km) |
| Ardahan to Rovato | 1,660.02 mi (2,671.54 km) |
| Ardahan to Roverbella | 1,623.19 mi (2,612.27 km) |
| Ardahan to Rovereto | 1,609.18 mi (2,589.72 km) |
| Ardahan to Rovigo | 1,573.41 mi (2,532.15 km) |
| Ardahan to Rozzano | 1,701.46 mi (2,738.24 km) |
| Ardahan to Rubano | 1,573.69 mi (2,532.61 km) |
| Ardahan to Rubiera | 1,623.81 mi (2,613.28 km) |
| Ardahan to Ruffano | 1,281.94 mi (2,063.08 km) |
| Ardahan to Russi | 1,563.13 mi (2,515.61 km) |
| Ardahan to Rutigliano | 1,340.12 mi (2,156.71 km) |
| Ardahan to Ruvo di Puglia | 1,359.62 mi (2,188.10 km) |
| Ardahan to Sabaudia | 1,535.17 mi (2,470.62 km) |
