| Castel Gandolfo to Mouscron | 766.02 mi (1,232.80 km) |
| Castel Gandolfo to Namur | 707.68 mi (1,138.90 km) |
| Castel Gandolfo to Neder-Over-Heembeek | 744.34 mi (1,197.90 km) |
| Castel Gandolfo to Neerpelt | 739.10 mi (1,189.47 km) |
| Castel Gandolfo to Nevele | 773.21 mi (1,244.36 km) |
| Castel Gandolfo to Niel | 757.88 mi (1,219.69 km) |
| Castel Gandolfo to Nieuwpoort | 799.39 mi (1,286.49 km) |
| Castel Gandolfo to Nijlen | 753.08 mi (1,211.96 km) |
| Castel Gandolfo to Ninove | 749.95 mi (1,206.92 km) |
| Castel Gandolfo to Nivelles | 728.26 mi (1,172.01 km) |
| Castel Gandolfo to Olen | 747.39 mi (1,202.81 km) |
| Castel Gandolfo to Oostakker | 771.23 mi (1,241.18 km) |
| Castel Gandolfo to Oosterzele | 762.06 mi (1,226.41 km) |
| Castel Gandolfo to Oostkamp | 788.19 mi (1,268.47 km) |
| Castel Gandolfo to Opglabbeek | 724.89 mi (1,166.59 km) |
