| Duncan to Ramsbottom | 4,550.48 mi (7,323.29 km) |
| Duncan to Ramsgate | 4,763.81 mi (7,666.61 km) |
| Duncan to Raunds | 4,657.24 mi (7,495.10 km) |
| Duncan to Rawmarsh | 4,591.92 mi (7,389.99 km) |
| Duncan to Rawtenstall | 4,549.90 mi (7,322.35 km) |
| Duncan to Rayleigh | 4,724.89 mi (7,603.97 km) |
| Duncan to Raynes Park | 4,699.31 mi (7,562.81 km) |
| Duncan to Reading | 4,669.49 mi (7,514.82 km) |
| Duncan to Redcar | 4,566.09 mi (7,348.41 km) |
| Duncan to Reddish | 4,562.61 mi (7,342.81 km) |
| Duncan to Redditch | 4,606.27 mi (7,413.08 km) |
| Duncan to Redhill | 4,706.96 mi (7,575.11 km) |
| Duncan to Redruth | 4,541.57 mi (7,308.94 km) |
| Duncan to Reigate | 4,705.76 mi (7,573.19 km) |
| Duncan to Renfrew | 4,410.77 mi (7,098.45 km) |
