| South Huntington to Orbetello | 4,174.58 mi (6,718.33 km) |
| South Huntington to Oria | 4,527.50 mi (7,286.31 km) |
| South Huntington to Oristano | 4,144.09 mi (6,669.26 km) |
| South Huntington to Orta Nova | 4,412.11 mi (7,100.60 km) |
| South Huntington to Orte | 4,225.54 mi (6,800.35 km) |
| South Huntington to Ortona | 4,317.53 mi (6,948.39 km) |
| South Huntington to Orvieto | 4,204.42 mi (6,766.37 km) |
| South Huntington to Orzinuovi | 4,019.99 mi (6,469.54 km) |
| South Huntington to Osimo | 4,237.42 mi (6,819.47 km) |
| South Huntington to Ospitaletto | 4,020.98 mi (6,471.15 km) |
| South Huntington to Ostuni | 4,516.38 mi (7,268.41 km) |
| South Huntington to Ottaviano | 4,375.63 mi (7,041.89 km) |
| South Huntington to Ovada | 3,988.76 mi (6,419.29 km) |
| South Huntington to Ozieri | 4,139.45 mi (6,661.79 km) |
| South Huntington to Paceco | 4,394.81 mi (7,072.77 km) |
