| Olean to Popovo | 4,914.62 mi (7,909.32 km) |
| Olean to Provadia | 4,967.76 mi (7,994.83 km) |
| Olean to Radnevo | 4,950.41 mi (7,966.91 km) |
| Olean to Radomir | 4,822.69 mi (7,761.38 km) |
| Olean to Rakitovo | 4,892.31 mi (7,873.41 km) |
| Olean to Rakovski | 4,913.32 mi (7,907.23 km) |
| Olean to Razgrad | 4,917.15 mi (7,913.38 km) |
| Olean to Razlog | 4,872.36 mi (7,841.31 km) |
| Olean to Ruse | 4,882.76 mi (7,858.04 km) |
| Olean to Samokov | 4,855.89 mi (7,814.80 km) |
| Olean to Sandanski | 4,878.92 mi (7,851.87 km) |
| Olean to Sevlievo | 4,886.18 mi (7,863.54 km) |
| Olean to Shumen | 4,944.26 mi (7,957.02 km) |
| Olean to Silistra | 4,918.79 mi (7,916.03 km) |
| Olean to Sliven | 4,948.52 mi (7,963.88 km) |
