| Riga to Spello | 1,086.89 mi (1,749.18 km) |
| Riga to Spilamberto | 1,027.39 mi (1,653.43 km) |
| Riga to Spilimbergo | 887.18 mi (1,427.78 km) |
| Riga to Spinea | 942.40 mi (1,516.64 km) |
| Riga to Spoleto | 1,101.36 mi (1,772.47 km) |
| Riga to Spoltore | 1,093.36 mi (1,759.60 km) |
| Riga to Spresiano | 922.75 mi (1,485.02 km) |
| Riga to Squinzano | 1,172.95 mi (1,887.68 km) |
| Riga to Statte | 1,173.36 mi (1,888.34 km) |
| Riga to Stezzano | 995.39 mi (1,601.93 km) |
| Riga to Strada | 1,078.59 mi (1,735.81 km) |
| Riga to Stradella | 1,037.62 mi (1,669.89 km) |
| Riga to Striano | 1,193.26 mi (1,920.36 km) |
| Riga to Subiaco | 1,145.98 mi (1,844.28 km) |
| Riga to Sulmona | 1,123.53 mi (1,808.14 km) |
