| Welver to Popovo | 1,022.38 mi (1,645.37 km) |
| Welver to Provadia | 1,076.07 mi (1,731.77 km) |
| Welver to Radnevo | 1,059.59 mi (1,705.25 km) |
| Welver to Radomir | 940.08 mi (1,512.92 km) |
| Welver to Rakitovo | 1,008.27 mi (1,622.66 km) |
| Welver to Rakovski | 1,024.68 mi (1,649.06 km) |
| Welver to Razgrad | 1,025.16 mi (1,649.84 km) |
| Welver to Razlog | 991.90 mi (1,596.31 km) |
| Welver to Ruse | 990.72 mi (1,594.41 km) |
| Welver to Samokov | 971.94 mi (1,564.19 km) |
| Welver to Sandanski | 1,001.91 mi (1,612.42 km) |
| Welver to Sevlievo | 994.92 mi (1,601.17 km) |
| Welver to Shumen | 1,052.29 mi (1,693.49 km) |
| Welver to Silistra | 1,029.30 mi (1,656.50 km) |
| Welver to Sliven | 1,056.53 mi (1,700.33 km) |
