| Fresno to Orbetello | 6,154.09 mi (9,904.05 km) |
| Fresno to Oria | 6,454.52 mi (10,387.55 km) |
| Fresno to Oristano | 6,207.95 mi (9,990.72 km) |
| Fresno to Orta Nova | 6,351.25 mi (10,221.35 km) |
| Fresno to Orte | 6,188.77 mi (9,959.87 km) |
| Fresno to Ortona | 6,254.96 mi (10,066.38 km) |
| Fresno to Orvieto | 6,166.10 mi (9,923.38 km) |
| Fresno to Orzinuovi | 5,953.25 mi (9,580.83 km) |
| Fresno to Osimo | 6,164.25 mi (9,920.41 km) |
| Fresno to Ospitaletto | 5,948.98 mi (9,573.97 km) |
| Fresno to Ostuni | 6,439.56 mi (10,363.47 km) |
| Fresno to Ottaviano | 6,342.12 mi (10,206.66 km) |
| Fresno to Ovada | 5,955.20 mi (9,583.97 km) |
| Fresno to Ozieri | 6,184.95 mi (9,953.71 km) |
| Fresno to Paceco | 6,442.97 mi (10,368.96 km) |
