| Sliven to Ottendorf-Okrilla | 830.21 mi (1,336.09 km) |
| Sliven to Ottersberg | 1,068.17 mi (1,719.05 km) |
| Sliven to Ottobrunn | 801.35 mi (1,289.65 km) |
| Sliven to Ottweiler | 1,024.98 mi (1,649.55 km) |
| Sliven to Overath | 1,061.13 mi (1,707.72 km) |
| Sliven to Oyten | 1,071.10 mi (1,723.77 km) |
| Sliven to Paderborn | 1,030.27 mi (1,658.06 km) |
| Sliven to Papenburg | 1,127.35 mi (1,814.29 km) |
| Sliven to Parchim | 995.48 mi (1,602.08 km) |
| Sliven to Pasewalk | 936.63 mi (1,507.36 km) |
| Sliven to Passau | 741.65 mi (1,193.57 km) |
| Sliven to Pattensen | 1,014.09 mi (1,632.01 km) |
| Sliven to Pegnitz | 857.01 mi (1,379.22 km) |
| Sliven to Peine | 999.99 mi (1,609.32 km) |
| Sliven to Peissenberg | 820.82 mi (1,320.98 km) |
