| Friedrichshafen to Oestrich-Winkel | 175.82 mi (282.96 km) |
| Friedrichshafen to Offenburg | 91.14 mi (146.68 km) |
| Friedrichshafen to Oftersheim | 125.79 mi (202.45 km) |
| Friedrichshafen to Ohrdruf | 226.70 mi (364.83 km) |
| Friedrichshafen to Ohringen | 107.10 mi (172.36 km) |
| Friedrichshafen to Olbernhau | 271.41 mi (436.80 km) |
| Friedrichshafen to Olching | 93.00 mi (149.67 km) |
| Friedrichshafen to Oldenburg | 383.67 mi (617.46 km) |
| Friedrichshafen to Oldenburg in Holstein | 463.46 mi (745.87 km) |
| Friedrichshafen to Olfen | 296.22 mi (476.71 km) |
| Friedrichshafen to Olpe | 244.17 mi (392.96 km) |
| Friedrichshafen to Olsberg | 259.55 mi (417.70 km) |
| Friedrichshafen to Oranienburg | 389.66 mi (627.10 km) |
| Friedrichshafen to Ortenberg | 187.96 mi (302.49 km) |
| Friedrichshafen to Oschatz | 300.05 mi (482.88 km) |
