| Gumushacikoy to Orbetello | 1,239.83 mi (1,995.31 km) |
| Gumushacikoy to Oria | 920.08 mi (1,480.73 km) |
| Gumushacikoy to Oristano | 1,397.40 mi (2,248.89 km) |
| Gumushacikoy to Orta Nova | 1,013.95 mi (1,631.80 km) |
| Gumushacikoy to Orte | 1,179.99 mi (1,899.02 km) |
| Gumushacikoy to Ortona | 1,077.57 mi (1,734.19 km) |
| Gumushacikoy to Orvieto | 1,193.38 mi (1,920.56 km) |
| Gumushacikoy to Orzinuovi | 1,306.83 mi (2,103.15 km) |
| Gumushacikoy to Osimo | 1,124.12 mi (1,809.10 km) |
| Gumushacikoy to Ospitaletto | 1,301.04 mi (2,093.82 km) |
| Gumushacikoy to Ostuni | 920.77 mi (1,481.83 km) |
| Gumushacikoy to Ottaviano | 1,081.23 mi (1,740.06 km) |
| Gumushacikoy to Ovada | 1,366.62 mi (2,199.36 km) |
| Gumushacikoy to Ozieri | 1,367.56 mi (2,200.88 km) |
| Gumushacikoy to Paceco | 1,222.50 mi (1,967.43 km) |
