| Kirkland to Orbetello | 5,591.52 mi (8,998.68 km) |
| Kirkland to Oria | 5,864.81 mi (9,438.50 km) |
| Kirkland to Oristano | 5,673.82 mi (9,131.13 km) |
| Kirkland to Orta Nova | 5,768.76 mi (9,283.92 km) |
| Kirkland to Orte | 5,619.58 mi (9,043.83 km) |
| Kirkland to Ortona | 5,675.17 mi (9,133.30 km) |
| Kirkland to Orvieto | 5,597.18 mi (9,007.79 km) |
| Kirkland to Orzinuovi | 5,382.69 mi (8,662.60 km) |
| Kirkland to Osimo | 5,584.25 mi (8,986.98 km) |
| Kirkland to Ospitaletto | 5,376.92 mi (8,653.31 km) |
| Kirkland to Ostuni | 5,849.16 mi (9,413.31 km) |
| Kirkland to Ottaviano | 5,768.75 mi (9,283.90 km) |
| Kirkland to Ovada | 5,395.34 mi (8,682.97 km) |
| Kirkland to Ozieri | 5,644.68 mi (9,084.24 km) |
| Kirkland to Paceco | 5,894.77 mi (9,486.71 km) |
