| Garfield to Orbetello | 4,204.06 mi (6,765.78 km) |
| Garfield to Oria | 4,556.57 mi (7,333.08 km) |
| Garfield to Oristano | 4,175.00 mi (6,719.02 km) |
| Garfield to Orta Nova | 4,441.22 mi (7,147.44 km) |
| Garfield to Orte | 4,254.81 mi (6,847.46 km) |
| Garfield to Ortona | 4,346.48 mi (6,994.98 km) |
| Garfield to Orvieto | 4,233.64 mi (6,813.38 km) |
| Garfield to Orzinuovi | 4,048.43 mi (6,515.32 km) |
| Garfield to Osimo | 4,266.07 mi (6,865.58 km) |
| Garfield to Ospitaletto | 4,049.33 mi (6,516.77 km) |
| Garfield to Ostuni | 4,545.36 mi (7,315.05 km) |
| Garfield to Ottaviano | 4,405.15 mi (7,089.40 km) |
| Garfield to Ovada | 4,017.75 mi (6,465.95 km) |
| Garfield to Ozieri | 4,170.04 mi (6,711.03 km) |
| Garfield to Paceco | 4,425.74 mi (7,122.55 km) |
