| Redlands to Orbetello | 6,225.59 mi (10,019.13 km) |
| Redlands to Oria | 6,536.73 mi (10,519.84 km) |
| Redlands to Oristano | 6,266.83 mi (10,085.49 km) |
| Redlands to Orta Nova | 6,430.66 mi (10,349.15 km) |
| Redlands to Orte | 6,263.03 mi (10,079.38 km) |
| Redlands to Ortona | 6,333.63 mi (10,193.00 km) |
| Redlands to Orvieto | 6,240.36 mi (10,042.88 km) |
| Redlands to Orzinuovi | 6,029.38 mi (9,703.35 km) |
| Redlands to Osimo | 6,243.51 mi (10,047.95 km) |
| Redlands to Ospitaletto | 6,025.81 mi (9,697.61 km) |
| Redlands to Ostuni | 6,522.16 mi (10,496.41 km) |
| Redlands to Ottaviano | 6,417.43 mi (10,327.86 km) |
| Redlands to Ovada | 6,026.61 mi (9,698.89 km) |
| Redlands to Ozieri | 6,246.59 mi (10,052.91 km) |
| Redlands to Paceco | 6,506.57 mi (10,471.31 km) |
