| Guildford to Popovo | 1,359.33 mi (2,187.63 km) |
| Guildford to Provadia | 1,416.25 mi (2,279.24 km) |
| Guildford to Radnevo | 1,387.63 mi (2,233.18 km) |
| Guildford to Radomir | 1,254.50 mi (2,018.92 km) |
| Guildford to Rakitovo | 1,324.34 mi (2,131.31 km) |
| Guildford to Rakovski | 1,347.99 mi (2,169.38 km) |
| Guildford to Razgrad | 1,364.44 mi (2,195.86 km) |
| Guildford to Razlog | 1,303.45 mi (2,097.70 km) |
| Guildford to Ruse | 1,329.97 mi (2,140.38 km) |
| Guildford to Samokov | 1,288.03 mi (2,072.88 km) |
| Guildford to Sandanski | 1,309.51 mi (2,107.45 km) |
| Guildford to Sevlievo | 1,324.77 mi (2,132.02 km) |
| Guildford to Shumen | 1,391.37 mi (2,239.19 km) |
| Guildford to Silistra | 1,374.85 mi (2,212.61 km) |
| Guildford to Sliven | 1,389.12 mi (2,235.58 km) |
