| Holbaek to Oestrich-Winkel | 424.19 mi (682.67 km) |
| Holbaek to Offenburg | 525.85 mi (846.27 km) |
| Holbaek to Oftersheim | 457.67 mi (736.55 km) |
| Holbaek to Ohrdruf | 340.15 mi (547.42 km) |
| Holbaek to Ohringen | 459.74 mi (739.88 km) |
| Holbaek to Olbernhau | 355.14 mi (571.53 km) |
| Holbaek to Olching | 519.56 mi (836.16 km) |
| Holbaek to Oldenburg | 226.78 mi (364.97 km) |
| Holbaek to Oldenburg in Holstein | 103.30 mi (166.25 km) |
| Holbaek to Olfen | 328.22 mi (528.21 km) |
| Holbaek to Olpe | 361.96 mi (582.52 km) |
| Holbaek to Olsberg | 329.57 mi (530.40 km) |
| Holbaek to Oranienburg | 213.53 mi (343.64 km) |
| Holbaek to Ortenberg | 386.48 mi (621.97 km) |
| Holbaek to Oschatz | 310.31 mi (499.40 km) |
