| Grudziadz to Serik | 1,288.85 mi (2,074.20 km) |
| Grudziadz to Serinhisar | 1,208.16 mi (1,944.35 km) |
| Grudziadz to Serinyol | 1,450.20 mi (2,333.87 km) |
| Grudziadz to Seydisehir | 1,274.29 mi (2,050.78 km) |
| Grudziadz to Seyhan | 1,389.38 mi (2,236.00 km) |
| Grudziadz to Seyitgazi | 1,120.93 mi (1,803.96 km) |
| Grudziadz to Siirt | 1,538.64 mi (2,476.20 km) |
| Grudziadz to Sile | 988.50 mi (1,590.83 km) |
| Grudziadz to Silifke | 1,389.57 mi (2,236.30 km) |
| Grudziadz to Silivri | 964.32 mi (1,551.92 km) |
| Grudziadz to Silopi | 1,593.16 mi (2,563.94 km) |
| Grudziadz to Simav | 1,106.02 mi (1,779.96 km) |
| Grudziadz to Sinanpasa | 1,154.25 mi (1,857.59 km) |
| Grudziadz to Sindirgi | 1,079.84 mi (1,737.84 km) |
| Grudziadz to Sinop | 1,093.58 mi (1,759.95 km) |
