| Bellefontaine to Popovo | 5,197.27 mi (8,364.19 km) |
| Bellefontaine to Provadia | 5,249.52 mi (8,448.28 km) |
| Bellefontaine to Radnevo | 5,234.78 mi (8,424.57 km) |
| Bellefontaine to Radomir | 5,109.27 mi (8,222.57 km) |
| Bellefontaine to Rakitovo | 5,178.70 mi (8,334.31 km) |
| Bellefontaine to Rakovski | 5,198.56 mi (8,366.27 km) |
| Bellefontaine to Razgrad | 5,199.26 mi (8,367.41 km) |
| Bellefontaine to Razlog | 5,159.38 mi (8,303.23 km) |
| Bellefontaine to Ruse | 5,164.98 mi (8,312.23 km) |
| Bellefontaine to Samokov | 5,142.25 mi (8,275.65 km) |
| Bellefontaine to Sandanski | 5,166.49 mi (8,314.67 km) |
| Bellefontaine to Sevlievo | 5,170.28 mi (8,320.77 km) |
| Bellefontaine to Shumen | 5,226.35 mi (8,411.00 km) |
| Bellefontaine to Silistra | 5,199.35 mi (8,367.54 km) |
| Bellefontaine to Sliven | 5,232.01 mi (8,420.11 km) |
