| Gretna to Mouscron | 4,782.67 mi (7,696.96 km) |
| Gretna to Namur | 4,856.50 mi (7,815.78 km) |
| Gretna to Neder-Over-Heembeek | 4,825.25 mi (7,765.49 km) |
| Gretna to Neerpelt | 4,858.02 mi (7,818.23 km) |
| Gretna to Nevele | 4,788.24 mi (7,705.93 km) |
| Gretna to Niel | 4,817.41 mi (7,752.88 km) |
| Gretna to Nieuwpoort | 4,753.89 mi (7,650.65 km) |
| Gretna to Nijlen | 4,828.71 mi (7,771.05 km) |
| Gretna to Ninove | 4,812.31 mi (7,744.66 km) |
| Gretna to Nivelles | 4,831.12 mi (7,774.94 km) |
| Gretna to Olen | 4,837.13 mi (7,784.61 km) |
| Gretna to Oostakker | 4,795.18 mi (7,717.10 km) |
| Gretna to Oosterzele | 4,800.49 mi (7,725.64 km) |
| Gretna to Oostkamp | 4,772.44 mi (7,680.49 km) |
| Gretna to Opglabbeek | 4,869.06 mi (7,836.00 km) |
