| Onex to Popovo | 1,003.98 mi (1,615.74 km) |
| Onex to Provadia | 1,064.90 mi (1,713.79 km) |
| Onex to Radnevo | 1,014.72 mi (1,633.03 km) |
| Onex to Radomir | 867.39 mi (1,395.93 km) |
| Onex to Rakitovo | 936.11 mi (1,506.53 km) |
| Onex to Rakovski | 969.26 mi (1,559.88 km) |
| Onex to Razgrad | 1,013.62 mi (1,631.27 km) |
| Onex to Razlog | 910.15 mi (1,464.75 km) |
| Onex to Ruse | 980.87 mi (1,578.56 km) |
| Onex to Samokov | 901.54 mi (1,450.90 km) |
| Onex to Sandanski | 910.99 mi (1,466.09 km) |
| Onex to Sevlievo | 957.90 mi (1,541.59 km) |
| Onex to Shumen | 1,038.83 mi (1,671.84 km) |
| Onex to Silistra | 1,037.79 mi (1,670.16 km) |
| Onex to Sliven | 1,024.06 mi (1,648.06 km) |
