| Pomona to Orbetello | 6,244.69 mi (10,049.85 km) |
| Pomona to Oria | 6,554.53 mi (10,548.50 km) |
| Pomona to Oristano | 6,287.43 mi (10,118.65 km) |
| Pomona to Orta Nova | 6,448.81 mi (10,378.35 km) |
| Pomona to Orte | 6,281.79 mi (10,109.57 km) |
| Pomona to Ortona | 6,351.85 mi (10,222.32 km) |
| Pomona to Orvieto | 6,259.11 mi (10,073.07 km) |
| Pomona to Orzinuovi | 6,047.87 mi (9,733.10 km) |
| Pomona to Osimo | 6,261.64 mi (10,077.13 km) |
| Pomona to Ospitaletto | 6,044.21 mi (9,727.21 km) |
| Pomona to Ostuni | 6,539.92 mi (10,524.98 km) |
| Pomona to Ottaviano | 6,436.09 mi (10,357.89 km) |
| Pomona to Ovada | 6,045.68 mi (9,729.58 km) |
| Pomona to Ozieri | 6,266.86 mi (10,085.54 km) |
| Pomona to Paceco | 6,526.66 mi (10,503.65 km) |
