| Helsingor to Novi di Modena | 773.48 mi (1,244.79 km) |
| Helsingor to Novi Ligure | 796.83 mi (1,282.37 km) |
| Helsingor to Nuoro | 1,096.22 mi (1,764.20 km) |
| Helsingor to Occhiobello | 769.24 mi (1,237.97 km) |
| Helsingor to Oderzo | 708.59 mi (1,140.37 km) |
| Helsingor to Oggiono | 722.27 mi (1,162.39 km) |
| Helsingor to Olbia | 1,054.03 mi (1,696.30 km) |
| Helsingor to Oleggio | 741.33 mi (1,193.06 km) |
| Helsingor to Olgiate Comasco | 725.69 mi (1,167.88 km) |
| Helsingor to Olgiate Olona | 736.64 mi (1,185.50 km) |
| Helsingor to Omegna | 724.94 mi (1,166.67 km) |
| Helsingor to Opera | 750.61 mi (1,207.99 km) |
| Helsingor to Oppeano | 744.37 mi (1,197.95 km) |
| Helsingor to Orbassano | 793.38 mi (1,276.82 km) |
| Helsingor to Orbetello | 941.50 mi (1,515.20 km) |
