| Duluth to Reichenbach/Vogtland | 4,349.05 mi (6,999.12 km) |
| Duluth to Reinbek | 4,152.69 mi (6,683.11 km) |
| Duluth to Reinfeld | 4,145.86 mi (6,672.11 km) |
| Duluth to Reinheim | 4,269.26 mi (6,870.71 km) |
| Duluth to Reiskirchen | 4,234.93 mi (6,815.46 km) |
| Duluth to Rellingen | 4,132.82 mi (6,651.13 km) |
| Duluth to Remagen | 4,181.64 mi (6,729.69 km) |
| Duluth to Remscheid | 4,154.34 mi (6,685.76 km) |
| Duluth to Rendsburg | 4,099.82 mi (6,598.03 km) |
| Duluth to Renningen | 4,320.43 mi (6,953.07 km) |
| Duluth to Reutlingen | 4,342.96 mi (6,989.32 km) |
| Duluth to Rhaude | 4,080.74 mi (6,567.32 km) |
| Duluth to Rheda-Wiedenbruck | 4,162.51 mi (6,698.92 km) |
| Duluth to Rhede | 4,109.57 mi (6,613.71 km) |
| Duluth to Rheinau | 4,290.19 mi (6,904.39 km) |
