| Castelo Branco to Sulakyurt | 2,162.13 mi (3,479.62 km) |
| Castelo Branco to Sultanbeyli | 1,921.82 mi (3,092.86 km) |
| Castelo Branco to Sultandagi | 2,060.26 mi (3,315.67 km) |
| Castelo Branco to Sultanhani | 2,186.26 mi (3,518.45 km) |
| Castelo Branco to Sultanhisar | 1,910.54 mi (3,074.72 km) |
| Castelo Branco to Suluova | 2,250.78 mi (3,622.28 km) |
| Castelo Branco to Sumbas | 2,332.19 mi (3,753.29 km) |
| Castelo Branco to Sungurlu | 2,196.00 mi (3,534.12 km) |
| Castelo Branco to Surmene | 2,476.18 mi (3,985.02 km) |
| Castelo Branco to Suruc | 2,467.40 mi (3,970.89 km) |
| Castelo Branco to Susehri | 2,386.44 mi (3,840.60 km) |
| Castelo Branco to Susurluk | 1,878.37 mi (3,022.95 km) |
| Castelo Branco to Susuz | 2,631.18 mi (4,234.48 km) |
| Castelo Branco to Sutculer | 2,066.52 mi (3,325.74 km) |
| Castelo Branco to Talas | 2,283.12 mi (3,674.33 km) |
