| Round Lake to Ratingen | 4,210.41 mi (6,776.00 km) |
| Round Lake to Ratzeburg | 4,256.76 mi (6,850.59 km) |
| Round Lake to Raubling | 4,542.26 mi (7,310.06 km) |
| Round Lake to Rauenberg | 4,356.27 mi (7,010.73 km) |
| Round Lake to Raunheim | 4,317.70 mi (6,948.67 km) |
| Round Lake to Ravensburg | 4,449.28 mi (7,160.42 km) |
| Round Lake to Recke | 4,201.82 mi (6,762.17 km) |
| Round Lake to Recklinghausen | 4,211.11 mi (6,777.12 km) |
| Round Lake to Regen | 4,530.71 mi (7,291.47 km) |
| Round Lake to Regensburg | 4,490.57 mi (7,226.88 km) |
| Round Lake to Regenstauf | 4,487.80 mi (7,222.42 km) |
| Round Lake to Rehau | 4,437.66 mi (7,141.72 km) |
| Round Lake to Rehburg-Loccum | 4,251.36 mi (6,841.91 km) |
| Round Lake to Rehlingen-Siersburg | 4,276.75 mi (6,882.76 km) |
| Round Lake to Reichelsheim | 4,343.79 mi (6,990.65 km) |
