| Midwest City to Orbetello | 5,421.47 mi (8,725.01 km) |
| Midwest City to Oria | 5,762.10 mi (9,273.21 km) |
| Midwest City to Oristano | 5,419.76 mi (8,722.26 km) |
| Midwest City to Orta Nova | 5,648.87 mi (9,090.99 km) |
| Midwest City to Orte | 5,467.50 mi (8,799.08 km) |
| Midwest City to Ortona | 5,551.84 mi (8,934.82 km) |
| Midwest City to Orvieto | 5,445.41 mi (8,763.54 km) |
| Midwest City to Orzinuovi | 5,246.72 mi (8,443.78 km) |
| Midwest City to Osimo | 5,466.22 mi (8,797.03 km) |
| Midwest City to Ospitaletto | 5,245.74 mi (8,442.20 km) |
| Midwest City to Ostuni | 5,749.37 mi (9,252.72 km) |
| Midwest City to Ottaviano | 5,621.54 mi (9,046.99 km) |
| Midwest City to Ovada | 5,227.33 mi (8,412.57 km) |
| Midwest City to Ozieri | 5,408.86 mi (8,704.73 km) |
| Midwest City to Paceco | 5,669.05 mi (9,123.45 km) |
