| Mendota Heights to Orbetello | 4,817.43 mi (7,752.90 km) |
| Mendota Heights to Oria | 5,147.68 mi (8,284.40 km) |
| Mendota Heights to Oristano | 4,835.89 mi (7,782.61 km) |
| Mendota Heights to Orta Nova | 5,036.69 mi (8,105.77 km) |
| Mendota Heights to Orte | 4,860.02 mi (7,821.45 km) |
| Mendota Heights to Ortona | 4,939.17 mi (7,948.82 km) |
| Mendota Heights to Orvieto | 4,837.58 mi (7,785.33 km) |
| Mendota Heights to Orzinuovi | 4,632.84 mi (7,455.83 km) |
| Mendota Heights to Osimo | 4,851.33 mi (7,807.46 km) |
| Mendota Heights to Ospitaletto | 4,630.81 mi (7,452.57 km) |
| Mendota Heights to Ostuni | 5,134.18 mi (8,262.67 km) |
| Mendota Heights to Ottaviano | 5,014.98 mi (8,070.83 km) |
| Mendota Heights to Ovada | 4,620.23 mi (7,435.54 km) |
| Mendota Heights to Ozieri | 4,820.27 mi (7,757.48 km) |
| Mendota Heights to Paceco | 5,081.55 mi (8,177.96 km) |
