| Holmen to Orbetello | 4,786.98 mi (7,703.89 km) |
| Holmen to Oria | 5,121.09 mi (8,241.60 km) |
| Holmen to Oristano | 4,799.08 mi (7,723.37 km) |
| Holmen to Orta Nova | 5,009.22 mi (8,061.56 km) |
| Holmen to Orte | 4,830.77 mi (7,774.37 km) |
| Holmen to Ortona | 4,911.80 mi (7,904.77 km) |
| Holmen to Orvieto | 4,808.43 mi (7,738.43 km) |
| Holmen to Orzinuovi | 4,605.66 mi (7,412.10 km) |
| Holmen to Osimo | 4,824.69 mi (7,764.58 km) |
| Holmen to Ospitaletto | 4,604.01 mi (7,409.44 km) |
| Holmen to Ostuni | 5,107.85 mi (8,220.30 km) |
| Holmen to Ottaviano | 4,985.54 mi (8,023.46 km) |
| Holmen to Ovada | 4,590.65 mi (7,387.94 km) |
| Holmen to Ozieri | 4,784.87 mi (7,700.51 km) |
| Holmen to Paceco | 5,046.05 mi (8,120.84 km) |
