| Webster to Orbetello | 5,614.08 mi (9,034.99 km) |
| Webster to Oria | 5,963.91 mi (9,597.99 km) |
| Webster to Oristano | 5,590.21 mi (8,996.57 km) |
| Webster to Orta Nova | 5,848.97 mi (9,413.00 km) |
| Webster to Orte | 5,663.65 mi (9,114.76 km) |
| Webster to Ortona | 5,753.35 mi (9,259.12 km) |
| Webster to Orvieto | 5,642.18 mi (9,080.20 km) |
| Webster to Orzinuovi | 5,452.34 mi (8,774.70 km) |
| Webster to Osimo | 5,671.12 mi (9,126.79 km) |
| Webster to Ospitaletto | 5,452.60 mi (8,775.11 km) |
| Webster to Ostuni | 5,952.23 mi (9,579.18 km) |
| Webster to Ottaviano | 5,815.25 mi (9,358.74 km) |
| Webster to Ovada | 5,425.22 mi (8,731.04 km) |
| Webster to Ozieri | 5,584.47 mi (8,987.34 km) |
| Webster to Paceco | 5,840.94 mi (9,400.09 km) |
