| Risca to Suhut | 1,850.48 mi (2,978.07 km) |
| Risca to Sulakyurt | 1,913.21 mi (3,079.01 km) |
| Risca to Sultanbeyli | 1,692.27 mi (2,723.44 km) |
| Risca to Sultandagi | 1,878.81 mi (3,023.65 km) |
| Risca to Sultanhani | 1,987.67 mi (3,198.84 km) |
| Risca to Sultanhisar | 1,782.15 mi (2,868.09 km) |
| Risca to Suluova | 1,967.75 mi (3,166.79 km) |
| Risca to Sumbas | 2,127.43 mi (3,423.77 km) |
| Risca to Sungurlu | 1,940.98 mi (3,123.70 km) |
| Risca to Surmene | 2,155.33 mi (3,468.66 km) |
| Risca to Suruc | 2,249.04 mi (3,619.48 km) |
| Risca to Susehri | 2,098.93 mi (3,377.91 km) |
| Risca to Susurluk | 1,691.21 mi (2,721.74 km) |
| Risca to Susuz | 2,290.27 mi (3,685.84 km) |
| Risca to Sutculer | 1,915.33 mi (3,082.42 km) |
