| Smolyan to Mouscron | 1,200.32 mi (1,931.73 km) |
| Smolyan to Namur | 1,126.81 mi (1,813.43 km) |
| Smolyan to Neder-Over-Heembeek | 1,158.83 mi (1,864.96 km) |
| Smolyan to Neerpelt | 1,128.85 mi (1,816.70 km) |
| Smolyan to Nevele | 1,195.55 mi (1,924.04 km) |
| Smolyan to Niel | 1,167.38 mi (1,878.71 km) |
| Smolyan to Nieuwpoort | 1,229.56 mi (1,978.79 km) |
| Smolyan to Nijlen | 1,156.67 mi (1,861.48 km) |
| Smolyan to Ninove | 1,171.29 mi (1,885.01 km) |
| Smolyan to Nivelles | 1,152.11 mi (1,854.14 km) |
| Smolyan to Olen | 1,148.44 mi (1,848.23 km) |
| Smolyan to Oostakker | 1,188.98 mi (1,913.48 km) |
| Smolyan to Oosterzele | 1,183.26 mi (1,904.27 km) |
| Smolyan to Oostkamp | 1,211.45 mi (1,949.64 km) |
| Smolyan to Opglabbeek | 1,117.09 mi (1,797.77 km) |
