| Griffith to Orbetello | 4,741.73 mi (7,631.07 km) |
| Griffith to Oria | 5,083.84 mi (8,181.66 km) |
| Griffith to Oristano | 4,738.69 mi (7,626.18 km) |
| Griffith to Orta Nova | 4,970.27 mi (7,998.87 km) |
| Griffith to Orte | 4,788.21 mi (7,705.89 km) |
| Griffith to Ortona | 4,873.40 mi (7,842.97 km) |
| Griffith to Orvieto | 4,766.20 mi (7,670.46 km) |
| Griffith to Orzinuovi | 4,568.77 mi (7,352.73 km) |
| Griffith to Osimo | 4,788.29 mi (7,706.01 km) |
| Griffith to Ospitaletto | 4,568.01 mi (7,351.51 km) |
| Griffith to Ostuni | 5,071.28 mi (8,161.44 km) |
| Griffith to Ottaviano | 4,942.03 mi (7,953.43 km) |
| Griffith to Ovada | 4,548.15 mi (7,319.53 km) |
| Griffith to Ozieri | 4,727.89 mi (7,608.81 km) |
| Griffith to Paceco | 4,988.01 mi (8,027.43 km) |
