| Yambol to Oestrich-Winkel | 1,021.24 mi (1,643.52 km) |
| Yambol to Offenburg | 986.65 mi (1,587.86 km) |
| Yambol to Oftersheim | 980.25 mi (1,577.56 km) |
| Yambol to Ohrdruf | 940.94 mi (1,514.30 km) |
| Yambol to Ohringen | 937.65 mi (1,509.00 km) |
| Yambol to Olbernhau | 840.81 mi (1,353.15 km) |
| Yambol to Olching | 834.43 mi (1,342.88 km) |
| Yambol to Oldenburg | 1,117.76 mi (1,798.87 km) |
| Yambol to Oldenburg in Holstein | 1,081.40 mi (1,740.35 km) |
| Yambol to Olfen | 1,097.06 mi (1,765.56 km) |
| Yambol to Olpe | 1,057.62 mi (1,702.07 km) |
| Yambol to Olsberg | 1,043.43 mi (1,679.23 km) |
| Yambol to Oranienburg | 937.84 mi (1,509.30 km) |
| Yambol to Ortenberg | 989.34 mi (1,592.18 km) |
| Yambol to Oschatz | 875.52 mi (1,409.02 km) |
