| Ardahan to Roeselare | 1,988.48 mi (3,200.15 km) |
| Ardahan to Ronse | 1,966.71 mi (3,165.12 km) |
| Ardahan to Rotselaar | 1,919.69 mi (3,089.44 km) |
| Ardahan to Rumst | 1,933.32 mi (3,111.38 km) |
| Ardahan to Saint-Ghislain | 1,955.70 mi (3,147.40 km) |
| Ardahan to Saint-Nicolas | 1,881.71 mi (3,028.32 km) |
| Ardahan to Saint-Vith | 1,853.00 mi (2,982.11 km) |
| Ardahan to Scherpenheuvel | 1,908.77 mi (3,071.87 km) |
| Ardahan to Schilde | 1,927.93 mi (3,102.71 km) |
| Ardahan to Schoten | 1,930.93 mi (3,107.53 km) |
| Ardahan to Seneffe | 1,937.15 mi (3,117.53 km) |
| Ardahan to Seraing | 1,882.81 mi (3,030.10 km) |
| Ardahan to Sint-Amandsberg | 1,961.98 mi (3,157.50 km) |
| Ardahan to Sint-Andries | 1,987.31 mi (3,198.26 km) |
| Ardahan to Sint-Genesius-Rode | 1,934.17 mi (3,112.74 km) |
