| Flagstaff to Santarem | 5,328.97 mi (8,576.16 km) |
| Flagstaff to Santiago do Cacem | 5,376.98 mi (8,653.41 km) |
| Flagstaff to Santo Andre | 5,373.43 mi (8,647.70 km) |
| Flagstaff to Santo Tirso | 5,255.11 mi (8,457.28 km) |
| Flagstaff to Sao Bras de Alportel | 5,448.24 mi (8,768.09 km) |
| Flagstaff to Sao Felix da Marinha | 5,260.27 mi (8,465.59 km) |
| Flagstaff to Sao Joao da Madeira | 5,271.42 mi (8,483.54 km) |
| Flagstaff to Sao Joao de Ver | 5,266.52 mi (8,475.64 km) |
| Flagstaff to Sao Mamede de Infesta | 5,254.70 mi (8,456.62 km) |
| Flagstaff to Sao Pedro do Sul | 5,295.33 mi (8,522.01 km) |
| Flagstaff to Satao | 5,310.23 mi (8,545.99 km) |
| Flagstaff to Seia | 5,324.04 mi (8,568.21 km) |
| Flagstaff to Senhora da Hora | 5,253.07 mi (8,454.01 km) |
| Flagstaff to Serpa | 5,428.57 mi (8,736.44 km) |
| Flagstaff to Serta | 5,331.86 mi (8,580.80 km) |
