| Haysville to Orbetello | 5,319.35 mi (8,560.67 km) |
| Haysville to Oria | 5,656.97 mi (9,104.02 km) |
| Haysville to Oristano | 5,323.73 mi (8,567.71 km) |
| Haysville to Orta Nova | 5,544.38 mi (8,922.82 km) |
| Haysville to Orte | 5,364.35 mi (8,633.09 km) |
| Haysville to Ortona | 5,447.12 mi (8,766.29 km) |
| Haysville to Orvieto | 5,342.14 mi (8,597.34 km) |
| Haysville to Orzinuovi | 5,141.40 mi (8,274.28 km) |
| Haysville to Osimo | 5,360.73 mi (8,627.27 km) |
| Haysville to Ospitaletto | 5,140.08 mi (8,272.16 km) |
| Haysville to Ostuni | 5,643.99 mi (9,083.12 km) |
| Haysville to Ottaviano | 5,518.80 mi (8,881.65 km) |
| Haysville to Ovada | 5,124.11 mi (8,246.46 km) |
| Haysville to Ozieri | 5,311.42 mi (8,547.91 km) |
| Haysville to Paceco | 5,572.17 mi (8,967.54 km) |
