| Diessen am Ammersee to Oestrich-Winkel | 199.54 mi (321.12 km) |
| Diessen am Ammersee to Offenburg | 150.11 mi (241.57 km) |
| Diessen am Ammersee to Oftersheim | 151.02 mi (243.04 km) |
| Diessen am Ammersee to Ohrdruf | 199.54 mi (321.13 km) |
| Diessen am Ammersee to Ohringen | 113.17 mi (182.13 km) |
| Diessen am Ammersee to Olbernhau | 212.94 mi (342.70 km) |
| Diessen am Ammersee to Olching | 19.96 mi (32.12 km) |
| Diessen am Ammersee to Oldenburg | 380.50 mi (612.35 km) |
| Diessen am Ammersee to Oldenburg in Holstein | 438.84 mi (706.25 km) |
| Diessen am Ammersee to Olfen | 308.40 mi (496.32 km) |
| Diessen am Ammersee to Olpe | 257.62 mi (414.60 km) |
| Diessen am Ammersee to Olsberg | 262.42 mi (422.33 km) |
| Diessen am Ammersee to Oranienburg | 345.02 mi (555.26 km) |
| Diessen am Ammersee to Ortenberg | 190.16 mi (306.04 km) |
| Diessen am Ammersee to Oschatz | 248.28 mi (399.57 km) |
