| Kingsburg to Popovo | 6,514.48 mi (10,484.04 km) |
| Kingsburg to Provadia | 6,551.73 mi (10,543.98 km) |
| Kingsburg to Radnevo | 6,572.16 mi (10,576.88 km) |
| Kingsburg to Radomir | 6,484.87 mi (10,436.40 km) |
| Kingsburg to Rakitovo | 6,547.19 mi (10,536.68 km) |
| Kingsburg to Rakovski | 6,550.00 mi (10,541.20 km) |
| Kingsburg to Razgrad | 6,509.60 mi (10,476.18 km) |
| Kingsburg to Razlog | 6,537.98 mi (10,521.87 km) |
| Kingsburg to Ruse | 6,479.01 mi (10,426.96 km) |
| Kingsburg to Samokov | 6,512.75 mi (10,481.26 km) |
| Kingsburg to Sandanski | 6,552.40 mi (10,545.06 km) |
| Kingsburg to Sevlievo | 6,508.46 mi (10,474.36 km) |
| Kingsburg to Shumen | 6,534.40 mi (10,516.10 km) |
| Kingsburg to Silistra | 6,489.98 mi (10,444.62 km) |
| Kingsburg to Sliven | 6,557.84 mi (10,553.83 km) |
