| Gaithersburg to Sceaux | 3,827.77 mi (6,160.21 km) |
| Gaithersburg to Schiltigheim | 4,060.43 mi (6,534.63 km) |
| Gaithersburg to Scionzier | 4,086.27 mi (6,576.22 km) |
| Gaithersburg to Seclin | 3,813.16 mi (6,136.69 km) |
| Gaithersburg to Sedan | 3,913.64 mi (6,298.40 km) |
| Gaithersburg to Selestat | 4,058.49 mi (6,531.51 km) |
| Gaithersburg to Sene | 3,640.40 mi (5,858.66 km) |
| Gaithersburg to Senlis | 3,829.10 mi (6,162.34 km) |
| Gaithersburg to Sens | 3,885.35 mi (6,252.86 km) |
| Gaithersburg to Septemes-les-Vallons | 4,116.13 mi (6,624.27 km) |
| Gaithersburg to Serris | 3,846.61 mi (6,190.52 km) |
| Gaithersburg to Sete | 4,040.94 mi (6,503.27 km) |
| Gaithersburg to Sevran | 3,833.97 mi (6,170.18 km) |
| Gaithersburg to Sevres | 3,823.27 mi (6,152.96 km) |
| Gaithersburg to Seynod | 4,071.78 mi (6,552.89 km) |
