| Rantoul to Popovo | 5,360.45 mi (8,626.81 km) |
| Rantoul to Provadia | 5,411.27 mi (8,708.60 km) |
| Rantoul to Radnevo | 5,400.63 mi (8,691.48 km) |
| Rantoul to Radomir | 5,278.86 mi (8,495.51 km) |
| Rantoul to Rakitovo | 5,347.88 mi (8,606.59 km) |
| Rantoul to Rakovski | 5,365.84 mi (8,635.49 km) |
| Rantoul to Razgrad | 5,361.64 mi (8,628.72 km) |
| Rantoul to Razlog | 5,329.65 mi (8,577.25 km) |
| Rantoul to Ruse | 5,327.55 mi (8,573.87 km) |
| Rantoul to Samokov | 5,311.44 mi (8,547.94 km) |
| Rantoul to Sandanski | 5,337.68 mi (8,590.16 km) |
| Rantoul to Sevlievo | 5,335.79 mi (8,587.13 km) |
| Rantoul to Shumen | 5,388.64 mi (8,672.18 km) |
| Rantoul to Silistra | 5,359.36 mi (8,625.05 km) |
| Rantoul to Sliven | 5,396.47 mi (8,684.77 km) |
