| Gaithersburg to Saarijarvi | 4,218.10 mi (6,788.37 km) |
| Gaithersburg to Salo | 4,236.81 mi (6,818.48 km) |
| Gaithersburg to Sastamala | 4,198.18 mi (6,756.32 km) |
| Gaithersburg to Savonlinna | 4,347.65 mi (6,996.87 km) |
| Gaithersburg to Seinajoki | 4,148.39 mi (6,676.19 km) |
| Gaithersburg to Siilinjarvi | 4,269.87 mi (6,871.69 km) |
| Gaithersburg to Sipoo | 4,300.41 mi (6,920.84 km) |
| Gaithersburg to Sippola | 4,337.17 mi (6,980.00 km) |
| Gaithersburg to Sodankyla | 4,091.84 mi (6,585.18 km) |
| Gaithersburg to Somero | 4,239.94 mi (6,823.52 km) |
| Gaithersburg to Sotkamo | 4,250.28 mi (6,840.17 km) |
| Gaithersburg to Tampere | 4,217.47 mi (6,787.36 km) |
| Gaithersburg to Tornio | 4,084.16 mi (6,572.82 km) |
| Gaithersburg to Turku | 4,209.10 mi (6,773.90 km) |
| Gaithersburg to Tuusula | 4,291.89 mi (6,907.13 km) |
