| Oregon City to Devnya | 6,049.07 mi (9,735.03 km) |
| Oregon City to Dimitrovgrad | 6,088.23 mi (9,798.05 km) |
| Oregon City to Dobrich | 6,031.07 mi (9,706.07 km) |
| Oregon City to Dospat | 6,085.92 mi (9,794.34 km) |
| Oregon City to Dupnitsa | 6,025.75 mi (9,697.51 km) |
| Oregon City to Elhovo | 6,098.84 mi (9,815.13 km) |
| Oregon City to Etropole | 6,007.22 mi (9,667.69 km) |
| Oregon City to Gabrovo | 6,030.79 mi (9,705.62 km) |
| Oregon City to Gorna Oryahovitsa | 6,020.58 mi (9,689.19 km) |
| Oregon City to Gotse Delchev | 6,082.54 mi (9,788.91 km) |
| Oregon City to Harmanli | 6,101.41 mi (9,819.27 km) |
| Oregon City to Haskovo | 6,095.08 mi (9,809.09 km) |
| Oregon City to Ihtiman | 6,028.80 mi (9,702.42 km) |
| Oregon City to Isperih | 6,003.74 mi (9,662.08 km) |
| Oregon City to Kardzhali | 6,109.42 mi (9,832.16 km) |
