| Duncan to Pyrzyce | 5,168.68 mi (8,318.19 km) |
| Duncan to Pyskowice | 5,412.81 mi (8,711.08 km) |
| Duncan to Raciborz | 5,413.66 mi (8,712.45 km) |
| Duncan to Radom | 5,447.92 mi (8,767.58 km) |
| Duncan to Radomsko | 5,408.89 mi (8,704.77 km) |
| Duncan to Radzionkow Nowy | 5,421.64 mi (8,725.28 km) |
| Duncan to Radzymin | 5,401.25 mi (8,692.48 km) |
| Duncan to Radzyn Podlaski | 5,475.81 mi (8,812.47 km) |
| Duncan to Rawa Mazowiecka | 5,402.41 mi (8,694.34 km) |
| Duncan to Rawicz | 5,299.64 mi (8,528.95 km) |
| Duncan to Reda | 5,213.40 mi (8,390.16 km) |
| Duncan to Rogozno | 5,253.93 mi (8,455.39 km) |
| Duncan to Ropczyce | 5,526.47 mi (8,893.99 km) |
| Duncan to Ruda Slaska | 5,426.16 mi (8,732.56 km) |
| Duncan to Rumia | 5,217.16 mi (8,396.22 km) |
