| Marshalltown to Santa Ursula | 4,271.75 mi (6,874.72 km) |
| Marshalltown to Santander | 4,285.72 mi (6,897.19 km) |
| Marshalltown to Santany | 4,742.66 mi (7,632.58 km) |
| Marshalltown to Santiago de Compostela | 4,104.00 mi (6,604.75 km) |
| Marshalltown to Santiago del Teide | 4,260.81 mi (6,857.12 km) |
| Marshalltown to Santiponce | 4,417.96 mi (7,110.03 km) |
| Marshalltown to Santomera | 4,615.86 mi (7,428.51 km) |
| Marshalltown to Santona | 4,301.16 mi (6,922.05 km) |
| Marshalltown to Santurce-Antiguo | 4,323.28 mi (6,957.65 km) |
| Marshalltown to Sarria | 4,156.30 mi (6,688.91 km) |
| Marshalltown to Sauzal | 4,272.37 mi (6,875.72 km) |
| Marshalltown to Sedavi | 4,589.30 mi (7,385.77 km) |
| Marshalltown to Segorbe | 4,567.60 mi (7,350.84 km) |
| Marshalltown to Segovia | 4,367.55 mi (7,028.90 km) |
| Marshalltown to Senmanat | 4,607.38 mi (7,414.86 km) |
