| Kansas City to Orbetello | 5,135.12 mi (8,264.18 km) |
| Kansas City to Oria | 5,473.61 mi (8,808.93 km) |
| Kansas City to Oristano | 5,138.33 mi (8,269.34 km) |
| Kansas City to Orta Nova | 5,360.82 mi (8,627.40 km) |
| Kansas City to Orte | 5,180.39 mi (8,337.03 km) |
| Kansas City to Ortona | 5,263.62 mi (8,470.97 km) |
| Kansas City to Orvieto | 5,158.21 mi (8,301.34 km) |
| Kansas City to Orzinuovi | 4,958.06 mi (7,979.23 km) |
| Kansas City to Osimo | 5,177.46 mi (8,332.32 km) |
| Kansas City to Ospitaletto | 4,956.85 mi (7,977.28 km) |
| Kansas City to Ostuni | 5,460.71 mi (8,788.16 km) |
| Kansas City to Ottaviano | 5,334.74 mi (8,585.43 km) |
| Kansas City to Ovada | 4,940.15 mi (7,950.41 km) |
| Kansas City to Ozieri | 5,126.23 mi (8,249.87 km) |
| Kansas City to Paceco | 5,386.90 mi (8,669.38 km) |
