| Holstebro to Oria | 1,168.70 mi (1,880.84 km) |
| Holstebro to Oristano | 1,136.68 mi (1,829.31 km) |
| Holstebro to Orta Nova | 1,085.81 mi (1,747.45 km) |
| Holstebro to Orte | 974.66 mi (1,568.56 km) |
| Holstebro to Ortona | 1,001.34 mi (1,611.49 km) |
| Holstebro to Orvieto | 954.98 mi (1,536.90 km) |
| Holstebro to Orzinuovi | 759.21 mi (1,221.83 km) |
| Holstebro to Osimo | 914.91 mi (1,472.40 km) |
| Holstebro to Ospitaletto | 748.99 mi (1,205.38 km) |
| Holstebro to Ostuni | 1,152.54 mi (1,854.83 km) |
| Holstebro to Ottaviano | 1,103.43 mi (1,775.80 km) |
| Holstebro to Ovada | 809.64 mi (1,302.98 km) |
| Holstebro to Ozieri | 1,089.90 mi (1,754.03 km) |
| Holstebro to Paceco | 1,282.38 mi (2,063.79 km) |
| Holstebro to Pachino | 1,390.10 mi (2,237.16 km) |
