| Welwyn Garden City to Prokuplje | 1,169.59 mi (1,882.28 km) |
| Welwyn Garden City to Raca | 1,104.07 mi (1,776.82 km) |
| Welwyn Garden City to Raska | 1,128.82 mi (1,816.66 km) |
| Welwyn Garden City to Razanj | 1,149.97 mi (1,850.70 km) |
| Welwyn Garden City to Rekovac | 1,125.04 mi (1,810.58 km) |
| Welwyn Garden City to Ruma | 1,027.34 mi (1,653.34 km) |
| Welwyn Garden City to Sabac | 1,031.37 mi (1,659.83 km) |
| Welwyn Garden City to Secanj | 1,051.52 mi (1,692.25 km) |
| Welwyn Garden City to Senta | 1,002.91 mi (1,614.04 km) |
| Welwyn Garden City to Sid | 998.63 mi (1,607.14 km) |
| Welwyn Garden City to Sjenica | 1,105.82 mi (1,779.64 km) |
| Welwyn Garden City to Smederevo | 1,084.76 mi (1,745.75 km) |
| Welwyn Garden City to Smederevska Palanka | 1,097.76 mi (1,766.68 km) |
| Welwyn Garden City to Sokobanja | 1,163.34 mi (1,872.21 km) |
| Welwyn Garden City to Sombor | 968.51 mi (1,558.66 km) |
