| Smolyan to Orvault | 1,349.57 mi (2,171.93 km) |
| Smolyan to Osny | 1,208.85 mi (1,945.46 km) |
| Smolyan to Ostwald | 955.48 mi (1,537.70 km) |
| Smolyan to Ouistreham | 1,313.92 mi (2,114.56 km) |
| Smolyan to Oullins | 1,031.56 mi (1,660.14 km) |
| Smolyan to Outreau | 1,265.30 mi (2,036.30 km) |
| Smolyan to Oyonnax | 998.36 mi (1,606.70 km) |
| Smolyan to Ozoir-la-Ferriere | 1,176.41 mi (1,893.25 km) |
| Smolyan to Pace | 1,365.36 mi (2,197.34 km) |
| Smolyan to Palaiseau | 1,194.17 mi (1,921.82 km) |
| Smolyan to Pamiers | 1,180.00 mi (1,899.02 km) |
| Smolyan to Panazol | 1,199.84 mi (1,930.96 km) |
| Smolyan to Pantin | 1,190.89 mi (1,916.55 km) |
| Smolyan to Paray-le-Monial | 1,072.83 mi (1,726.56 km) |
| Smolyan to Parempuyre | 1,288.73 mi (2,074.01 km) |
