| Grand Forks to Ratingen | 4,243.98 mi (6,830.02 km) |
| Grand Forks to Ratzeburg | 4,251.54 mi (6,842.20 km) |
| Grand Forks to Raubling | 4,581.88 mi (7,373.82 km) |
| Grand Forks to Rauenberg | 4,399.66 mi (7,080.58 km) |
| Grand Forks to Raunheim | 4,355.67 mi (7,009.77 km) |
| Grand Forks to Ravensburg | 4,501.18 mi (7,243.95 km) |
| Grand Forks to Recke | 4,221.74 mi (6,794.24 km) |
| Grand Forks to Recklinghausen | 4,240.68 mi (6,824.72 km) |
| Grand Forks to Regen | 4,555.50 mi (7,331.37 km) |
| Grand Forks to Regensburg | 4,520.05 mi (7,274.31 km) |
| Grand Forks to Regenstauf | 4,516.16 mi (7,268.06 km) |
| Grand Forks to Rehau | 4,457.01 mi (7,172.86 km) |
| Grand Forks to Rehburg-Loccum | 4,264.10 mi (6,862.41 km) |
| Grand Forks to Rehlingen-Siersburg | 4,328.65 mi (6,966.28 km) |
| Grand Forks to Reichelsheim | 4,382.62 mi (7,053.15 km) |
