| Smolyan to Oschersleben | 958.35 mi (1,542.32 km) |
| Smolyan to Osnabruck | 1,073.95 mi (1,728.36 km) |
| Smolyan to Ostbevern | 1,070.92 mi (1,723.48 km) |
| Smolyan to Osterburg | 980.60 mi (1,578.12 km) |
| Smolyan to Ostercappeln | 1,070.57 mi (1,722.91 km) |
| Smolyan to Osterhofen | 750.79 mi (1,208.27 km) |
| Smolyan to Osterholz-Scharmbeck | 1,090.16 mi (1,754.44 km) |
| Smolyan to Osternienburg | 924.47 mi (1,487.79 km) |
| Smolyan to Osterode | 976.80 mi (1,572.01 km) |
| Smolyan to Osterwieck | 972.67 mi (1,565.36 km) |
| Smolyan to Ostfildern | 897.76 mi (1,444.81 km) |
| Smolyan to Osthofen | 966.39 mi (1,555.25 km) |
| Smolyan to Ostrhauderfehn | 1,123.46 mi (1,808.04 km) |
| Smolyan to Ostringen | 935.11 mi (1,504.91 km) |
| Smolyan to Oststeinbek | 1,064.46 mi (1,713.09 km) |
