| Holsbeek to Novi di Modena | 503.52 mi (810.34 km) |
| Holsbeek to Novi Ligure | 464.30 mi (747.22 km) |
| Holsbeek to Nuoro | 764.53 mi (1,230.40 km) |
| Holsbeek to Occhiobello | 520.25 mi (837.26 km) |
| Holsbeek to Oderzo | 501.28 mi (806.73 km) |
| Holsbeek to Oggiono | 412.23 mi (663.43 km) |
| Holsbeek to Olbia | 727.04 mi (1,170.06 km) |
| Holsbeek to Oleggio | 408.00 mi (656.62 km) |
| Holsbeek to Olgiate Comasco | 403.57 mi (649.48 km) |
| Holsbeek to Olgiate Olona | 411.05 mi (661.53 km) |
| Holsbeek to Omegna | 386.00 mi (621.20 km) |
| Holsbeek to Opera | 433.69 mi (697.95 km) |
| Holsbeek to Oppeano | 487.70 mi (784.88 km) |
| Holsbeek to Orbassano | 427.86 mi (688.58 km) |
| Holsbeek to Orbetello | 660.03 mi (1,062.22 km) |
