| Olhao to Popovo | 1,837.11 mi (2,956.54 km) |
| Olhao to Provadia | 1,897.17 mi (3,053.20 km) |
| Olhao to Radnevo | 1,820.50 mi (2,929.82 km) |
| Olhao to Radomir | 1,668.86 mi (2,685.76 km) |
| Olhao to Rakitovo | 1,725.55 mi (2,777.01 km) |
| Olhao to Rakovski | 1,771.04 mi (2,850.21 km) |
| Olhao to Razgrad | 1,851.79 mi (2,980.17 km) |
| Olhao to Razlog | 1,693.76 mi (2,725.84 km) |
| Olhao to Ruse | 1,824.64 mi (2,936.48 km) |
| Olhao to Samokov | 1,699.09 mi (2,734.42 km) |
| Olhao to Sandanski | 1,683.98 mi (2,710.11 km) |
| Olhao to Sevlievo | 1,779.89 mi (2,864.45 km) |
| Olhao to Shumen | 1,872.14 mi (3,012.92 km) |
| Olhao to Silistra | 1,890.60 mi (3,042.62 km) |
| Olhao to Sliven | 1,841.07 mi (2,962.92 km) |
