| Rockville to Pyrzyce | 4,201.07 mi (6,760.97 km) |
| Rockville to Pyskowice | 4,432.96 mi (7,134.15 km) |
| Rockville to Raciborz | 4,429.03 mi (7,127.84 km) |
| Rockville to Radom | 4,490.57 mi (7,226.87 km) |
| Rockville to Radomsko | 4,439.87 mi (7,145.28 km) |
| Rockville to Radzionkow Nowy | 4,443.03 mi (7,150.36 km) |
| Rockville to Radzymin | 4,454.58 mi (7,168.95 km) |
| Rockville to Radzyn Podlaski | 4,529.67 mi (7,289.80 km) |
| Rockville to Rawa Mazowiecka | 4,444.42 mi (7,152.60 km) |
| Rockville to Rawicz | 4,324.31 mi (6,959.30 km) |
| Rockville to Reda | 4,277.45 mi (6,883.89 km) |
| Rockville to Rogozno | 4,291.31 mi (6,906.20 km) |
| Rockville to Ropczyce | 4,557.74 mi (7,334.97 km) |
| Rockville to Ruda Slaska | 4,446.20 mi (7,155.47 km) |
| Rockville to Rumia | 4,280.87 mi (6,889.40 km) |
