| Gladeview to Orbetello | 5,105.98 mi (8,217.28 km) |
| Gladeview to Oria | 5,464.24 mi (8,793.85 km) |
| Gladeview to Oristano | 5,038.20 mi (8,108.20 km) |
| Gladeview to Orta Nova | 5,349.20 mi (8,608.71 km) |
| Gladeview to Orte | 5,161.37 mi (8,306.42 km) |
| Gladeview to Ortona | 5,259.56 mi (8,464.45 km) |
| Gladeview to Orvieto | 5,141.86 mi (8,275.02 km) |
| Gladeview to Orzinuovi | 4,977.03 mi (8,009.75 km) |
| Gladeview to Osimo | 5,187.16 mi (8,347.93 km) |
| Gladeview to Ospitaletto | 4,979.97 mi (8,014.49 km) |
| Gladeview to Ostuni | 5,455.12 mi (8,779.16 km) |
| Gladeview to Ottaviano | 5,303.20 mi (8,534.67 km) |
| Gladeview to Ovada | 4,934.23 mi (7,940.87 km) |
| Gladeview to Ozieri | 5,042.79 mi (8,115.58 km) |
| Gladeview to Paceco | 5,284.41 mi (8,504.44 km) |
