| Redlands to Popovo | 6,612.35 mi (10,641.55 km) |
| Redlands to Provadia | 6,651.95 mi (10,705.28 km) |
| Redlands to Radnevo | 6,667.66 mi (10,730.57 km) |
| Redlands to Radomir | 6,574.20 mi (10,580.15 km) |
| Redlands to Rakitovo | 6,638.03 mi (10,682.87 km) |
| Redlands to Rakovski | 6,643.32 mi (10,691.39 km) |
| Redlands to Razgrad | 6,608.38 mi (10,635.16 km) |
| Redlands to Razlog | 6,627.27 mi (10,665.56 km) |
| Redlands to Ruse | 6,577.04 mi (10,584.72 km) |
| Redlands to Samokov | 6,603.04 mi (10,626.56 km) |
| Redlands to Sandanski | 6,640.71 mi (10,687.20 km) |
| Redlands to Sevlievo | 6,603.35 mi (10,627.07 km) |
| Redlands to Shumen | 6,633.69 mi (10,675.89 km) |
| Redlands to Silistra | 6,591.29 mi (10,607.66 km) |
| Redlands to Sliven | 6,654.85 mi (10,709.95 km) |
