| Riga to Sacile | 905.83 mi (1,457.80 km) |
| Riga to Sala Consilina | 1,205.29 mi (1,939.73 km) |
| Riga to Salemi | 1,419.45 mi (2,284.38 km) |
| Riga to Salerno | 1,199.19 mi (1,929.91 km) |
| Riga to Salo | 975.55 mi (1,570.00 km) |
| Riga to Salsomaggiore Terme | 1,035.91 mi (1,667.13 km) |
| Riga to Saluzzo | 1,111.68 mi (1,789.08 km) |
| Riga to Salzano | 940.98 mi (1,514.36 km) |
| Riga to Samarate | 1,020.72 mi (1,642.69 km) |
| Riga to San Benedetto del Tronto | 1,066.01 mi (1,715.58 km) |
| Riga to San Biagio di Callalta | 925.54 mi (1,489.51 km) |
| Riga to San Bonifacio | 968.81 mi (1,559.16 km) |
| Riga to San Casciano in Val di Pesa | 1,077.00 mi (1,733.27 km) |
| Riga to San Cataldo | 1,422.82 mi (2,289.80 km) |
| Riga to San Cesareo | 1,159.15 mi (1,865.47 km) |
