| Duncan to Reichenbach/Vogtland | 5,187.06 mi (8,347.77 km) |
| Duncan to Reinbek | 4,999.42 mi (8,045.79 km) |
| Duncan to Reinfeld | 4,994.52 mi (8,037.90 km) |
| Duncan to Reinheim | 5,094.61 mi (8,198.99 km) |
| Duncan to Reiskirchen | 5,064.33 mi (8,150.25 km) |
| Duncan to Rellingen | 4,979.31 mi (8,013.43 km) |
| Duncan to Remagen | 5,006.90 mi (8,057.82 km) |
| Duncan to Remscheid | 4,982.77 mi (8,019.00 km) |
| Duncan to Rendsburg | 4,948.96 mi (7,964.58 km) |
| Duncan to Renningen | 5,140.40 mi (8,272.67 km) |
| Duncan to Reutlingen | 5,162.18 mi (8,307.73 km) |
| Duncan to Rhaude | 4,920.21 mi (7,918.31 km) |
| Duncan to Rheda-Wiedenbruck | 4,996.99 mi (8,041.88 km) |
| Duncan to Rhede | 4,940.27 mi (7,950.60 km) |
| Duncan to Rheinau | 5,106.82 mi (8,218.62 km) |
