| Euclid to Ratingen | 4,000.68 mi (6,438.47 km) |
| Euclid to Ratzeburg | 4,065.37 mi (6,542.58 km) |
| Euclid to Raubling | 4,326.60 mi (6,962.99 km) |
| Euclid to Rauenberg | 4,140.52 mi (6,663.52 km) |
| Euclid to Raunheim | 4,104.86 mi (6,606.13 km) |
| Euclid to Ravensburg | 4,228.74 mi (6,805.51 km) |
| Euclid to Recke | 3,998.70 mi (6,435.28 km) |
| Euclid to Recklinghausen | 4,003.27 mi (6,442.63 km) |
| Euclid to Regen | 4,322.12 mi (6,955.78 km) |
| Euclid to Regensburg | 4,280.13 mi (6,888.21 km) |
| Euclid to Regenstauf | 4,277.92 mi (6,884.64 km) |
| Euclid to Rehau | 4,232.52 mi (6,811.59 km) |
| Euclid to Rehburg-Loccum | 4,051.23 mi (6,519.82 km) |
| Euclid to Rehlingen-Siersburg | 4,057.78 mi (6,530.36 km) |
| Euclid to Reichelsheim | 4,130.29 mi (6,647.06 km) |
