| Frederick to Radauti | 4,797.30 mi (7,720.50 km) |
| Frederick to Ramnicu Sarat | 4,943.46 mi (7,955.73 km) |
| Frederick to Ramnicu Valcea | 4,851.01 mi (7,806.95 km) |
| Frederick to Rasnov | 4,873.00 mi (7,842.34 km) |
| Frederick to Reghin | 4,795.40 mi (7,717.45 km) |
| Frederick to Resita | 4,744.93 mi (7,636.22 km) |
| Frederick to Roman | 4,873.02 mi (7,842.36 km) |
| Frederick to Rosiori de Vede | 4,916.52 mi (7,912.37 km) |
| Frederick to Rovinari | 4,811.04 mi (7,742.63 km) |
| Frederick to Roznov | 4,861.27 mi (7,823.46 km) |
| Frederick to Sabaoani | 4,866.38 mi (7,831.68 km) |
| Frederick to Sacele | 4,881.51 mi (7,856.03 km) |
| Frederick to Sacueni | 4,671.92 mi (7,518.72 km) |
| Frederick to Salcea | 4,822.03 mi (7,760.31 km) |
| Frederick to Salonta | 4,676.42 mi (7,525.97 km) |
