| Douai to Ramnicu Sarat | 1,157.74 mi (1,863.21 km) |
| Douai to Ramnicu Valcea | 1,049.86 mi (1,689.59 km) |
| Douai to Rasnov | 1,081.60 mi (1,740.67 km) |
| Douai to Reghin | 1,015.51 mi (1,634.31 km) |
| Douai to Resita | 936.84 mi (1,507.70 km) |
| Douai to Roman | 1,109.19 mi (1,785.08 km) |
| Douai to Rosiori de Vede | 1,109.98 mi (1,786.35 km) |
| Douai to Rovinari | 1,004.14 mi (1,616.01 km) |
| Douai to Roznov | 1,093.17 mi (1,759.28 km) |
| Douai to Sabaoani | 1,103.53 mi (1,775.95 km) |
| Douai to Sacele | 1,091.66 mi (1,756.85 km) |
| Douai to Sacueni | 886.30 mi (1,426.37 km) |
| Douai to Salcea | 1,067.52 mi (1,718.01 km) |
| Douai to Salonta | 881.23 mi (1,418.21 km) |
| Douai to Sangeorgiu de Mures | 1,010.91 mi (1,626.90 km) |
