| Welwyn Garden City to Radauti | 1,188.79 mi (1,913.17 km) |
| Welwyn Garden City to Ramnicu Sarat | 1,312.94 mi (2,112.98 km) |
| Welwyn Garden City to Ramnicu Valcea | 1,209.95 mi (1,947.22 km) |
| Welwyn Garden City to Rasnov | 1,238.27 mi (1,992.81 km) |
| Welwyn Garden City to Reghin | 1,168.13 mi (1,879.92 km) |
| Welwyn Garden City to Resita | 1,099.80 mi (1,769.95 km) |
| Welwyn Garden City to Roman | 1,257.84 mi (2,024.29 km) |
| Welwyn Garden City to Rosiori de Vede | 1,272.46 mi (2,047.82 km) |
| Welwyn Garden City to Rovinari | 1,166.61 mi (1,877.48 km) |
| Welwyn Garden City to Roznov | 1,242.87 mi (2,000.20 km) |
| Welwyn Garden City to Sabaoani | 1,251.86 mi (2,014.67 km) |
| Welwyn Garden City to Sacele | 1,247.86 mi (2,008.23 km) |
| Welwyn Garden City to Sacueni | 1,039.95 mi (1,673.64 km) |
| Welwyn Garden City to Salcea | 1,213.28 mi (1,952.59 km) |
| Welwyn Garden City to Salonta | 1,038.37 mi (1,671.10 km) |
