| Friedrichsdorf to Oria | 801.74 mi (1,290.27 km) |
| Friedrichsdorf to Oristano | 715.11 mi (1,150.85 km) |
| Friedrichsdorf to Orta Nova | 703.75 mi (1,132.57 km) |
| Friedrichsdorf to Orte | 567.27 mi (912.93 km) |
| Friedrichsdorf to Ortona | 611.08 mi (983.43 km) |
| Friedrichsdorf to Orvieto | 546.16 mi (878.96 km) |
| Friedrichsdorf to Orzinuovi | 340.80 mi (548.46 km) |
| Friedrichsdorf to Osimo | 520.59 mi (837.80 km) |
| Friedrichsdorf to Ospitaletto | 331.46 mi (533.43 km) |
| Friedrichsdorf to Ostuni | 786.47 mi (1,265.70 km) |
| Friedrichsdorf to Ottaviano | 708.04 mi (1,139.49 km) |
| Friedrichsdorf to Ovada | 388.06 mi (624.52 km) |
| Friedrichsdorf to Ozieri | 668.41 mi (1,075.70 km) |
| Friedrichsdorf to Paceco | 869.51 mi (1,399.35 km) |
| Friedrichsdorf to Pachino | 988.98 mi (1,591.61 km) |
