| Llantrisant to Sereflikochisar | 1,968.11 mi (3,167.36 km) |
| Llantrisant to Serik | 1,957.09 mi (3,149.63 km) |
| Llantrisant to Serinhisar | 1,851.59 mi (2,979.85 km) |
| Llantrisant to Serinyol | 2,193.81 mi (3,530.60 km) |
| Llantrisant to Seydisehir | 1,964.97 mi (3,162.32 km) |
| Llantrisant to Seyhan | 2,129.60 mi (3,427.26 km) |
| Llantrisant to Seyitgazi | 1,827.16 mi (2,940.54 km) |
| Llantrisant to Siirt | 2,368.83 mi (3,812.26 km) |
| Llantrisant to Sile | 1,709.41 mi (2,751.04 km) |
| Llantrisant to Silifke | 2,098.84 mi (3,377.76 km) |
| Llantrisant to Silivri | 1,656.36 mi (2,665.66 km) |
| Llantrisant to Silopi | 2,420.44 mi (3,895.32 km) |
| Llantrisant to Simav | 1,771.96 mi (2,851.69 km) |
| Llantrisant to Sinanpasa | 1,839.04 mi (2,959.65 km) |
| Llantrisant to Sindirgi | 1,731.75 mi (2,786.98 km) |
