| Guisborough to Popovo | 1,445.79 mi (2,326.77 km) |
| Guisborough to Provadia | 1,498.54 mi (2,411.67 km) |
| Guisborough to Radnevo | 1,484.09 mi (2,388.41 km) |
| Guisborough to Radomir | 1,363.96 mi (2,195.09 km) |
| Guisborough to Rakitovo | 1,432.44 mi (2,305.29 km) |
| Guisborough to Rakovski | 1,449.28 mi (2,332.38 km) |
| Guisborough to Razgrad | 1,448.02 mi (2,330.36 km) |
| Guisborough to Razlog | 1,415.49 mi (2,278.01 km) |
| Guisborough to Ruse | 1,413.67 mi (2,275.08 km) |
| Guisborough to Samokov | 1,396.06 mi (2,246.75 km) |
| Guisborough to Sandanski | 1,424.89 mi (2,293.13 km) |
| Guisborough to Sevlievo | 1,419.34 mi (2,284.21 km) |
| Guisborough to Shumen | 1,475.12 mi (2,373.98 km) |
| Guisborough to Silistra | 1,449.96 mi (2,333.48 km) |
| Guisborough to Sliven | 1,480.62 mi (2,382.82 km) |
