| Diessen am Ammersee to Oria | 607.44 mi (977.58 km) |
| Diessen am Ammersee to Oristano | 569.56 mi (916.62 km) |
| Diessen am Ammersee to Orta Nova | 510.21 mi (821.11 km) |
| Diessen am Ammersee to Orte | 384.42 mi (618.66 km) |
| Diessen am Ammersee to Ortona | 418.90 mi (674.16 km) |
| Diessen am Ammersee to Orvieto | 364.78 mi (587.06 km) |
| Diessen am Ammersee to Orzinuovi | 184.66 mi (297.18 km) |
| Diessen am Ammersee to Osimo | 329.30 mi (529.95 km) |
| Diessen am Ammersee to Ospitaletto | 172.44 mi (277.52 km) |
| Diessen am Ammersee to Ostuni | 592.19 mi (953.03 km) |
| Diessen am Ammersee to Ottaviano | 517.99 mi (833.62 km) |
| Diessen am Ammersee to Ovada | 256.97 mi (413.55 km) |
| Diessen am Ammersee to Ozieri | 519.29 mi (835.72 km) |
| Diessen am Ammersee to Paceco | 692.49 mi (1,114.45 km) |
| Diessen am Ammersee to Pachino | 802.29 mi (1,291.16 km) |
