| Livermore to Orbetello | 6,161.23 mi (9,915.54 km) |
| Livermore to Oria | 6,455.35 mi (10,388.88 km) |
| Livermore to Oristano | 6,221.82 mi (10,013.06 km) |
| Livermore to Orta Nova | 6,353.78 mi (10,225.42 km) |
| Livermore to Orte | 6,194.36 mi (9,968.86 km) |
| Livermore to Ortona | 6,258.02 mi (10,071.31 km) |
| Livermore to Orvieto | 6,171.72 mi (9,932.42 km) |
| Livermore to Orzinuovi | 5,958.14 mi (9,588.69 km) |
| Livermore to Osimo | 6,167.13 mi (9,925.03 km) |
| Livermore to Ospitaletto | 5,953.50 mi (9,581.23 km) |
| Livermore to Ostuni | 6,440.19 mi (10,364.49 km) |
| Livermore to Ottaviano | 6,346.91 mi (10,214.37 km) |
| Livermore to Ovada | 5,962.68 mi (9,596.00 km) |
| Livermore to Ozieri | 6,197.38 mi (9,973.73 km) |
| Livermore to Paceco | 6,453.99 mi (10,386.69 km) |
