| Lisbon to Popovo | 1,857.18 mi (2,988.85 km) |
| Lisbon to Provadia | 1,918.05 mi (3,086.81 km) |
| Lisbon to Radnevo | 1,846.14 mi (2,971.07 km) |
| Lisbon to Radomir | 1,693.28 mi (2,725.08 km) |
| Lisbon to Rakitovo | 1,753.12 mi (2,821.38 km) |
| Lisbon to Rakovski | 1,796.85 mi (2,891.75 km) |
| Lisbon to Razgrad | 1,870.90 mi (3,010.92 km) |
| Lisbon to Razlog | 1,721.95 mi (2,771.21 km) |
| Lisbon to Ruse | 1,842.20 mi (2,964.74 km) |
| Lisbon to Samokov | 1,724.73 mi (2,775.68 km) |
| Lisbon to Sandanski | 1,713.97 mi (2,758.37 km) |
| Lisbon to Sevlievo | 1,801.70 mi (2,899.56 km) |
| Lisbon to Shumen | 1,892.55 mi (3,045.76 km) |
| Lisbon to Silistra | 1,906.69 mi (3,068.51 km) |
| Lisbon to Sliven | 1,864.64 mi (3,000.85 km) |
