| Sliven to Oschersleben | 952.81 mi (1,533.40 km) |
| Sliven to Osnabruck | 1,075.93 mi (1,731.54 km) |
| Sliven to Ostbevern | 1,074.91 mi (1,729.90 km) |
| Sliven to Osterburg | 968.69 mi (1,558.95 km) |
| Sliven to Ostercappeln | 1,071.68 mi (1,724.70 km) |
| Sliven to Osterhofen | 763.70 mi (1,229.06 km) |
| Sliven to Osterholz-Scharmbeck | 1,084.66 mi (1,745.60 km) |
| Sliven to Osternienburg | 917.72 mi (1,476.93 km) |
| Sliven to Osterode | 976.23 mi (1,571.09 km) |
| Sliven to Osterwieck | 969.15 mi (1,559.70 km) |
| Sliven to Ostfildern | 921.36 mi (1,482.79 km) |
| Sliven to Osthofen | 984.83 mi (1,584.92 km) |
| Sliven to Ostrhauderfehn | 1,121.58 mi (1,805.00 km) |
| Sliven to Ostringen | 956.25 mi (1,538.93 km) |
| Sliven to Oststeinbek | 1,053.27 mi (1,695.08 km) |
