| Bad Oldesloe to Oestrich-Winkel | 282.10 mi (453.99 km) |
| Bad Oldesloe to Offenburg | 384.10 mi (618.15 km) |
| Bad Oldesloe to Oftersheim | 316.29 mi (509.02 km) |
| Bad Oldesloe to Ohrdruf | 206.70 mi (332.65 km) |
| Bad Oldesloe to Ohringen | 320.84 mi (516.34 km) |
| Bad Oldesloe to Olbernhau | 250.73 mi (403.52 km) |
| Bad Oldesloe to Olching | 389.88 mi (627.45 km) |
| Bad Oldesloe to Oldenburg | 100.09 mi (161.09 km) |
| Bad Oldesloe to Oldenburg in Holstein | 39.55 mi (63.66 km) |
| Bad Oldesloe to Olfen | 191.25 mi (307.78 km) |
| Bad Oldesloe to Olpe | 220.78 mi (355.32 km) |
| Bad Oldesloe to Olsberg | 187.68 mi (302.05 km) |
| Bad Oldesloe to Oranienburg | 138.98 mi (223.67 km) |
| Bad Oldesloe to Ortenberg | 245.25 mi (394.69 km) |
| Bad Oldesloe to Oschatz | 208.03 mi (334.79 km) |
