| San Juan to Popovo | 5,465.51 mi (8,795.89 km) |
| San Juan to Provadia | 5,526.77 mi (8,894.47 km) |
| San Juan to Radnevo | 5,469.71 mi (8,802.65 km) |
| San Juan to Radomir | 5,317.95 mi (8,558.41 km) |
| San Juan to Rakitovo | 5,383.46 mi (8,663.84 km) |
| San Juan to Rakovski | 5,422.09 mi (8,726.02 km) |
| San Juan to Razgrad | 5,475.92 mi (8,812.64 km) |
| San Juan to Razlog | 5,354.33 mi (8,616.96 km) |
| San Juan to Ruse | 5,443.57 mi (8,760.57 km) |
| San Juan to Samokov | 5,351.38 mi (8,612.21 km) |
| San Juan to Sandanski | 5,350.20 mi (8,610.32 km) |
| San Juan to Sevlievo | 5,416.66 mi (8,717.27 km) |
| San Juan to Shumen | 5,500.67 mi (8,852.47 km) |
| San Juan to Silistra | 5,500.93 mi (8,852.89 km) |
| San Juan to Sliven | 5,482.45 mi (8,823.15 km) |
