| Radviliskis to Serik | 1,351.56 mi (2,175.12 km) |
| Radviliskis to Serinhisar | 1,286.62 mi (2,070.61 km) |
| Radviliskis to Serinyol | 1,467.85 mi (2,362.28 km) |
| Radviliskis to Seydisehir | 1,327.51 mi (2,136.42 km) |
| Radviliskis to Seyhan | 1,411.65 mi (2,271.83 km) |
| Radviliskis to Seyitgazi | 1,176.43 mi (1,893.27 km) |
| Radviliskis to Siirt | 1,499.98 mi (2,413.99 km) |
| Radviliskis to Sile | 1,046.85 mi (1,684.75 km) |
| Radviliskis to Silifke | 1,427.65 mi (2,297.58 km) |
| Radviliskis to Silivri | 1,039.43 mi (1,672.81 km) |
| Radviliskis to Silopi | 1,554.76 mi (2,502.14 km) |
| Radviliskis to Simav | 1,181.69 mi (1,901.75 km) |
| Radviliskis to Sinanpasa | 1,217.81 mi (1,959.88 km) |
| Radviliskis to Sindirgi | 1,163.71 mi (1,872.81 km) |
| Radviliskis to Sinop | 1,084.41 mi (1,745.20 km) |
