| Centralia to Popovo | 5,934.87 mi (9,551.26 km) |
| Centralia to Provadia | 5,966.55 mi (9,602.23 km) |
| Centralia to Radnevo | 5,997.37 mi (9,651.84 km) |
| Centralia to Radomir | 5,925.04 mi (9,535.42 km) |
| Centralia to Rakitovo | 5,983.25 mi (9,629.10 km) |
| Centralia to Rakovski | 5,980.34 mi (9,624.42 km) |
| Centralia to Razgrad | 5,928.00 mi (9,540.19 km) |
| Centralia to Razlog | 5,977.71 mi (9,620.20 km) |
| Centralia to Ruse | 5,899.35 mi (9,494.09 km) |
| Centralia to Samokov | 5,950.42 mi (9,576.28 km) |
| Centralia to Sandanski | 5,994.23 mi (9,646.78 km) |
| Centralia to Sevlievo | 5,935.63 mi (9,552.47 km) |
| Centralia to Shumen | 5,951.45 mi (9,577.93 km) |
| Centralia to Silistra | 5,902.94 mi (9,499.86 km) |
| Centralia to Sliven | 5,979.78 mi (9,623.52 km) |
