| Gaithersburg to Rury | 4,545.69 mi (7,315.59 km) |
| Gaithersburg to Rybnik | 4,440.79 mi (7,146.75 km) |
| Gaithersburg to Ryki | 4,509.81 mi (7,257.84 km) |
| Gaithersburg to Rypin | 4,368.74 mi (7,030.82 km) |
| Gaithersburg to Rzeszow | 4,572.23 mi (7,358.30 km) |
| Gaithersburg to Sandomierz | 4,538.54 mi (7,304.08 km) |
| Gaithersburg to Sanok | 4,598.66 mi (7,400.82 km) |
| Gaithersburg to Sedziszow Malopolski | 4,559.82 mi (7,338.32 km) |
| Gaithersburg to Sepolno Krajenskie | 4,286.68 mi (6,898.74 km) |
| Gaithersburg to Sidlice | 4,295.22 mi (6,912.49 km) |
| Gaithersburg to Siechnice | 4,354.54 mi (7,007.95 km) |
| Gaithersburg to Siedlce | 4,502.21 mi (7,245.61 km) |
| Gaithersburg to Siemianowice Slaskie | 4,450.41 mi (7,162.24 km) |
| Gaithersburg to Siemiatycze | 4,513.45 mi (7,263.70 km) |
| Gaithersburg to Sieradz | 4,394.62 mi (7,072.46 km) |
