| Tooele to Orbetello | 5,706.74 mi (9,184.12 km) |
| Tooele to Oria | 6,015.94 mi (9,681.71 km) |
| Tooele to Oristano | 5,751.78 mi (9,256.59 km) |
| Tooele to Orta Nova | 5,910.27 mi (9,511.66 km) |
| Tooele to Orte | 5,743.57 mi (9,243.38 km) |
| Tooele to Ortona | 5,813.34 mi (9,355.67 km) |
| Tooele to Orvieto | 5,720.89 mi (9,206.88 km) |
| Tooele to Orzinuovi | 5,509.48 mi (8,866.65 km) |
| Tooele to Osimo | 5,723.10 mi (9,210.44 km) |
| Tooele to Ospitaletto | 5,505.78 mi (8,860.69 km) |
| Tooele to Ostuni | 6,001.32 mi (9,658.19 km) |
| Tooele to Ottaviano | 5,897.79 mi (9,491.58 km) |
| Tooele to Ovada | 5,507.72 mi (8,863.82 km) |
| Tooele to Ozieri | 5,730.57 mi (9,222.46 km) |
| Tooele to Paceco | 5,990.01 mi (9,640.00 km) |
