| Castel San Giorgio to Oststeinbek | 906.58 mi (1,459.00 km) |
| Castel San Giorgio to Ottendorf-Okrilla | 719.50 mi (1,157.92 km) |
| Castel San Giorgio to Ottersberg | 889.69 mi (1,431.81 km) |
| Castel San Giorgio to Ottobrunn | 524.91 mi (844.76 km) |
| Castel San Giorgio to Ottweiler | 696.93 mi (1,121.60 km) |
| Castel San Giorgio to Overath | 786.58 mi (1,265.88 km) |
| Castel San Giorgio to Oyten | 888.98 mi (1,430.67 km) |
| Castel San Giorgio to Paderborn | 806.49 mi (1,297.92 km) |
| Castel San Giorgio to Papenburg | 914.79 mi (1,472.22 km) |
| Castel San Giorgio to Parchim | 883.05 mi (1,421.13 km) |
| Castel San Giorgio to Pasewalk | 879.24 mi (1,415.01 km) |
| Castel San Giorgio to Passau | 541.70 mi (871.79 km) |
| Castel San Giorgio to Pattensen | 826.87 mi (1,330.71 km) |
| Castel San Giorgio to Pegnitz | 638.52 mi (1,027.61 km) |
| Castel San Giorgio to Peine | 824.49 mi (1,326.88 km) |
