| Lachen to Oerlinghausen | 330.60 mi (532.05 km) |
| Lachen to Oestrich-Winkel | 198.45 mi (319.37 km) |
| Lachen to Offenburg | 98.34 mi (158.27 km) |
| Lachen to Oftersheim | 151.62 mi (244.01 km) |
| Lachen to Ohrdruf | 265.87 mi (427.88 km) |
| Lachen to Ohringen | 142.52 mi (229.36 km) |
| Lachen to Olbernhau | 315.08 mi (507.07 km) |
| Lachen to Olching | 134.51 mi (216.47 km) |
| Lachen to Oldenburg | 412.79 mi (664.33 km) |
| Lachen to Oldenburg in Holstein | 499.63 mi (804.08 km) |
| Lachen to Olfen | 320.06 mi (515.09 km) |
| Lachen to Olpe | 268.82 mi (432.62 km) |
| Lachen to Olsberg | 288.36 mi (464.08 km) |
| Lachen to Oranienburg | 431.29 mi (694.09 km) |
| Lachen to Ortenberg | 219.40 mi (353.09 km) |
