| Drammen to Oerlinghausen | 540.20 mi (869.36 km) |
| Drammen to Oestrich-Winkel | 678.41 mi (1,091.79 km) |
| Drammen to Offenburg | 784.06 mi (1,261.82 km) |
| Drammen to Oftersheim | 719.18 mi (1,157.42 km) |
| Drammen to Ohrdruf | 615.95 mi (991.27 km) |
| Drammen to Ohringen | 728.63 mi (1,172.62 km) |
| Drammen to Olbernhau | 638.59 mi (1,027.72 km) |
| Drammen to Olching | 798.44 mi (1,284.96 km) |
| Drammen to Oldenburg | 461.84 mi (743.27 km) |
| Drammen to Oldenburg in Holstein | 376.58 mi (606.04 km) |
| Drammen to Olfen | 564.84 mi (909.03 km) |
| Drammen to Olpe | 609.62 mi (981.09 km) |
| Drammen to Olsberg | 583.38 mi (938.87 km) |
| Drammen to Oranienburg | 496.21 mi (798.58 km) |
| Drammen to Ortenberg | 649.80 mi (1,045.76 km) |
