| Riom to Santiago do Cacem | 813.65 mi (1,309.44 km) |
| Riom to Santo Andre | 813.91 mi (1,309.85 km) |
| Riom to Santo Tirso | 658.48 mi (1,059.72 km) |
| Riom to Sao Bras de Alportel | 828.24 mi (1,332.92 km) |
| Riom to Sao Felix da Marinha | 676.57 mi (1,088.84 km) |
| Riom to Sao Joao da Madeira | 676.08 mi (1,088.05 km) |
| Riom to Sao Joao de Ver | 676.54 mi (1,088.79 km) |
| Riom to Sao Mamede de Infesta | 669.28 mi (1,077.10 km) |
| Riom to Sao Pedro do Sul | 663.94 mi (1,068.52 km) |
| Riom to Satao | 650.59 mi (1,047.02 km) |
| Riom to Seia | 662.43 mi (1,066.07 km) |
| Riom to Senhora da Hora | 672.03 mi (1,081.53 km) |
| Riom to Serpa | 776.43 mi (1,249.54 km) |
| Riom to Serta | 705.92 mi (1,136.06 km) |
| Riom to Sesimbra | 808.38 mi (1,300.96 km) |
