| Guardamar del Segura to Popovo | 1,447.26 mi (2,329.14 km) |
| Guardamar del Segura to Provadia | 1,506.51 mi (2,424.49 km) |
| Guardamar del Segura to Radnevo | 1,426.92 mi (2,296.41 km) |
| Guardamar del Segura to Radomir | 1,276.55 mi (2,054.41 km) |
| Guardamar del Segura to Rakitovo | 1,331.09 mi (2,142.19 km) |
| Guardamar del Segura to Rakovski | 1,377.49 mi (2,216.86 km) |
| Guardamar del Segura to Razgrad | 1,462.62 mi (2,353.85 km) |
| Guardamar del Segura to Razlog | 1,299.04 mi (2,090.60 km) |
| Guardamar del Segura to Ruse | 1,436.82 mi (2,312.33 km) |
| Guardamar del Segura to Samokov | 1,305.89 mi (2,101.62 km) |
| Guardamar del Segura to Sandanski | 1,288.32 mi (2,073.35 km) |
| Guardamar del Segura to Sevlievo | 1,388.98 mi (2,235.35 km) |
| Guardamar del Segura to Shumen | 1,481.92 mi (2,384.92 km) |
| Guardamar del Segura to Silistra | 1,503.70 mi (2,419.97 km) |
| Guardamar del Segura to Sliven | 1,448.74 mi (2,331.52 km) |
