| Sun City to Popovo | 6,510.04 mi (10,476.90 km) |
| Sun City to Provadia | 6,552.70 mi (10,545.55 km) |
| Sun City to Radnevo | 6,561.95 mi (10,560.44 km) |
| Sun City to Radomir | 6,460.70 mi (10,397.49 km) |
| Sun City to Rakitovo | 6,526.26 mi (10,503.00 km) |
| Sun City to Rakovski | 6,534.81 mi (10,516.76 km) |
| Sun City to Razgrad | 6,507.32 mi (10,472.52 km) |
| Sun City to Razlog | 6,513.52 mi (10,482.50 km) |
| Sun City to Ruse | 6,475.09 mi (10,420.64 km) |
| Sun City to Samokov | 6,490.68 mi (10,445.73 km) |
| Sun City to Sandanski | 6,525.65 mi (10,502.03 km) |
| Sun City to Sevlievo | 6,497.07 mi (10,456.03 km) |
| Sun City to Shumen | 6,533.23 mi (10,514.21 km) |
| Sun City to Silistra | 6,493.76 mi (10,450.69 km) |
| Sun City to Sliven | 6,551.22 mi (10,543.17 km) |
