| Lewisville to Orbetello | 5,522.74 mi (8,887.99 km) |
| Lewisville to Oria | 5,866.96 mi (9,441.96 km) |
| Lewisville to Oristano | 5,513.19 mi (8,872.62 km) |
| Lewisville to Orta Nova | 5,753.01 mi (9,258.58 km) |
| Lewisville to Orte | 5,570.06 mi (8,964.14 km) |
| Lewisville to Ortona | 5,656.37 mi (9,103.04 km) |
| Lewisville to Orvieto | 5,548.17 mi (8,928.91 km) |
| Lewisville to Orzinuovi | 5,352.35 mi (8,613.78 km) |
| Lewisville to Osimo | 5,571.84 mi (8,967.01 km) |
| Lewisville to Ospitaletto | 5,351.80 mi (8,612.89 km) |
| Lewisville to Ostuni | 5,854.58 mi (9,422.03 km) |
| Lewisville to Ottaviano | 5,723.41 mi (9,210.95 km) |
| Lewisville to Ovada | 5,330.24 mi (8,578.19 km) |
| Lewisville to Ozieri | 5,504.12 mi (8,858.02 km) |
| Lewisville to Paceco | 5,763.28 mi (9,275.11 km) |
