| Hot Springs to Orbetello | 5,290.49 mi (8,514.22 km) |
| Hot Springs to Oria | 5,636.83 mi (9,071.60 km) |
| Hot Springs to Oristano | 5,276.54 mi (8,491.77 km) |
| Hot Springs to Orta Nova | 5,522.47 mi (8,887.55 km) |
| Hot Springs to Orte | 5,338.60 mi (8,591.65 km) |
| Hot Springs to Ortona | 5,426.15 mi (8,732.54 km) |
| Hot Springs to Orvieto | 5,316.84 mi (8,556.63 km) |
| Hot Springs to Orzinuovi | 5,123.10 mi (8,244.83 km) |
| Hot Springs to Osimo | 5,342.42 mi (8,597.80 km) |
| Hot Springs to Ospitaletto | 5,122.85 mi (8,244.43 km) |
| Hot Springs to Ostuni | 5,624.69 mi (9,052.07 km) |
| Hot Springs to Ottaviano | 5,491.42 mi (8,837.59 km) |
| Hot Springs to Ovada | 5,099.15 mi (8,206.29 km) |
| Hot Springs to Ozieri | 5,268.41 mi (8,478.69 km) |
| Hot Springs to Paceco | 5,526.92 mi (8,894.72 km) |
