| Gaithersburg to Radauti | 4,804.60 mi (7,732.26 km) |
| Gaithersburg to Ramnicu Sarat | 4,950.15 mi (7,966.50 km) |
| Gaithersburg to Ramnicu Valcea | 4,857.15 mi (7,816.82 km) |
| Gaithersburg to Rasnov | 4,879.49 mi (7,852.78 km) |
| Gaithersburg to Reghin | 4,802.15 mi (7,728.31 km) |
| Gaithersburg to Resita | 4,750.70 mi (7,645.51 km) |
| Gaithersburg to Roman | 4,880.19 mi (7,853.91 km) |
| Gaithersburg to Rosiori de Vede | 4,922.43 mi (7,921.88 km) |
| Gaithersburg to Rovinari | 4,816.90 mi (7,752.05 km) |
| Gaithersburg to Roznov | 4,868.35 mi (7,834.85 km) |
| Gaithersburg to Sabaoani | 4,873.57 mi (7,843.26 km) |
| Gaithersburg to Sacele | 4,888.05 mi (7,866.55 km) |
| Gaithersburg to Sacueni | 4,678.43 mi (7,529.21 km) |
| Gaithersburg to Salcea | 4,829.35 mi (7,772.09 km) |
| Gaithersburg to Salonta | 4,682.67 mi (7,536.03 km) |
