| Gaithersburg to Pyrzyce | 4,200.63 mi (6,760.26 km) |
| Gaithersburg to Pyskowice | 4,432.63 mi (7,133.63 km) |
| Gaithersburg to Raciborz | 4,428.74 mi (7,127.38 km) |
| Gaithersburg to Radom | 4,490.09 mi (7,226.10 km) |
| Gaithersburg to Radomsko | 4,439.47 mi (7,144.63 km) |
| Gaithersburg to Radzionkow Nowy | 4,442.69 mi (7,149.83 km) |
| Gaithersburg to Radzymin | 4,454.02 mi (7,168.05 km) |
| Gaithersburg to Radzyn Podlaski | 4,529.12 mi (7,288.91 km) |
| Gaithersburg to Rawa Mazowiecka | 4,443.94 mi (7,151.83 km) |
| Gaithersburg to Rawicz | 4,323.94 mi (6,958.70 km) |
| Gaithersburg to Reda | 4,276.80 mi (6,882.84 km) |
| Gaithersburg to Rogozno | 4,290.85 mi (6,905.45 km) |
| Gaithersburg to Ropczyce | 4,557.35 mi (7,334.34 km) |
| Gaithersburg to Ruda Slaska | 4,445.88 mi (7,154.95 km) |
| Gaithersburg to Rumia | 4,280.22 mi (6,888.35 km) |
