| Peru to Orbetello | 4,719.45 mi (7,595.22 km) |
| Peru to Oria | 5,063.91 mi (8,149.57 km) |
| Peru to Oristano | 4,711.33 mi (7,582.15 km) |
| Peru to Orta Nova | 4,949.87 mi (7,966.05 km) |
| Peru to Orte | 4,766.80 mi (7,671.42 km) |
| Peru to Ortona | 4,853.29 mi (7,810.61 km) |
| Peru to Orvieto | 4,744.91 mi (7,636.20 km) |
| Peru to Orzinuovi | 4,549.50 mi (7,321.72 km) |
| Peru to Osimo | 4,768.95 mi (7,674.89 km) |
| Peru to Ospitaletto | 4,549.05 mi (7,320.98 km) |
| Peru to Ostuni | 5,051.58 mi (8,129.74 km) |
| Peru to Ottaviano | 4,920.13 mi (7,918.18 km) |
| Peru to Ovada | 4,527.00 mi (7,285.51 km) |
| Peru to Ozieri | 4,701.69 mi (7,566.64 km) |
| Peru to Paceco | 4,961.19 mi (7,984.26 km) |
