| Someren to Popovo | 1,103.50 mi (1,775.91 km) |
| Someren to Provadia | 1,158.61 mi (1,864.60 km) |
| Someren to Radnevo | 1,137.22 mi (1,830.19 km) |
| Someren to Radomir | 1,012.07 mi (1,628.76 km) |
| Someren to Rakitovo | 1,081.13 mi (1,739.91 km) |
| Someren to Rakovski | 1,100.37 mi (1,770.88 km) |
| Someren to Razgrad | 1,107.24 mi (1,781.93 km) |
| Someren to Razlog | 1,062.98 mi (1,710.70 km) |
| Someren to Ruse | 1,072.72 mi (1,726.37 km) |
| Someren to Samokov | 1,044.68 mi (1,681.26 km) |
| Someren to Sandanski | 1,071.54 mi (1,724.48 km) |
| Someren to Sevlievo | 1,073.11 mi (1,727.01 km) |
| Someren to Shumen | 1,134.33 mi (1,825.52 km) |
| Someren to Silistra | 1,114.01 mi (1,792.82 km) |
| Someren to Sliven | 1,135.96 mi (1,828.15 km) |
