| Castel Volturno to Oststeinbek | 880.65 mi (1,417.27 km) |
| Castel Volturno to Ottendorf-Okrilla | 699.87 mi (1,126.34 km) |
| Castel Volturno to Ottersberg | 861.77 mi (1,386.88 km) |
| Castel Volturno to Ottobrunn | 497.24 mi (800.23 km) |
| Castel Volturno to Ottweiler | 661.31 mi (1,064.28 km) |
| Castel Volturno to Overath | 753.41 mi (1,212.49 km) |
| Castel Volturno to Oyten | 860.81 mi (1,385.35 km) |
| Castel Volturno to Paderborn | 776.58 mi (1,249.78 km) |
| Castel Volturno to Papenburg | 884.22 mi (1,423.02 km) |
| Castel Volturno to Parchim | 859.93 mi (1,383.92 km) |
| Castel Volturno to Pasewalk | 860.22 mi (1,384.39 km) |
| Castel Volturno to Passau | 520.35 mi (837.43 km) |
| Castel Volturno to Pattensen | 799.25 mi (1,286.27 km) |
| Castel Volturno to Pegnitz | 612.37 mi (985.52 km) |
| Castel Volturno to Peine | 797.76 mi (1,283.87 km) |
