| Eugene to Popovo | 6,108.52 mi (9,830.71 km) |
| Eugene to Provadia | 6,141.00 mi (9,882.98 km) |
| Eugene to Radnevo | 6,170.38 mi (9,930.27 km) |
| Eugene to Radomir | 6,095.78 mi (9,810.21 km) |
| Eugene to Rakitovo | 6,154.65 mi (9,904.96 km) |
| Eugene to Rakovski | 6,152.58 mi (9,901.63 km) |
| Eugene to Razgrad | 6,101.92 mi (9,820.09 km) |
| Eugene to Razlog | 6,148.57 mi (9,895.16 km) |
| Eugene to Ruse | 6,072.98 mi (9,773.52 km) |
| Eugene to Samokov | 6,121.56 mi (9,851.70 km) |
| Eugene to Sandanski | 6,164.78 mi (9,921.26 km) |
| Eugene to Sevlievo | 6,108.30 mi (9,830.36 km) |
| Eugene to Shumen | 6,125.58 mi (9,858.16 km) |
| Eugene to Silistra | 6,077.60 mi (9,780.95 km) |
| Eugene to Sliven | 6,153.24 mi (9,902.68 km) |
