| Hundested to Oria | 1,100.34 mi (1,770.83 km) |
| Hundested to Oristano | 1,119.59 mi (1,801.80 km) |
| Hundested to Orta Nova | 1,026.08 mi (1,651.32 km) |
| Hundested to Orte | 933.51 mi (1,502.34 km) |
| Hundested to Ortona | 947.69 mi (1,525.15 km) |
| Hundested to Orvieto | 915.45 mi (1,473.27 km) |
| Hundested to Orzinuovi | 734.82 mi (1,182.58 km) |
| Hundested to Osimo | 865.54 mi (1,392.95 km) |
| Hundested to Ospitaletto | 723.47 mi (1,164.32 km) |
| Hundested to Ostuni | 1,084.03 mi (1,744.58 km) |
| Hundested to Ottaviano | 1,051.20 mi (1,691.74 km) |
| Hundested to Ovada | 795.10 mi (1,279.59 km) |
| Hundested to Ozieri | 1,070.58 mi (1,722.93 km) |
| Hundested to Paceco | 1,242.95 mi (2,000.34 km) |
| Hundested to Pachino | 1,338.68 mi (2,154.40 km) |
