| Ewa Gentry to Orbetello | 7,977.28 mi (12,838.19 km) |
| Ewa Gentry to Oria | 8,155.33 mi (13,124.74 km) |
| Ewa Gentry to Oristano | 8,118.41 mi (13,065.32 km) |
| Ewa Gentry to Orta Nova | 8,088.47 mi (13,017.14 km) |
| Ewa Gentry to Orte | 7,986.77 mi (12,853.46 km) |
| Ewa Gentry to Ortona | 8,010.15 mi (12,891.09 km) |
| Ewa Gentry to Orvieto | 7,966.77 mi (12,821.27 km) |
| Ewa Gentry to Orzinuovi | 7,764.10 mi (12,495.11 km) |
| Ewa Gentry to Osimo | 7,925.98 mi (12,755.64 km) |
| Ewa Gentry to Ospitaletto | 7,755.02 mi (12,480.50 km) |
| Ewa Gentry to Ostuni | 8,139.06 mi (13,098.55 km) |
| Ewa Gentry to Ottaviano | 8,113.36 mi (13,057.20 km) |
| Ewa Gentry to Ovada | 7,801.42 mi (12,555.18 km) |
| Ewa Gentry to Ozieri | 8,078.03 mi (13,000.34 km) |
| Ewa Gentry to Paceco | 8,292.88 mi (13,346.11 km) |
