| Noblesville to Orbetello | 4,747.36 mi (7,640.14 km) |
| Noblesville to Oria | 5,092.89 mi (8,196.21 km) |
| Noblesville to Oristano | 4,736.68 mi (7,622.95 km) |
| Noblesville to Orta Nova | 4,978.65 mi (8,012.36 km) |
| Noblesville to Orte | 4,795.12 mi (7,716.99 km) |
| Noblesville to Ortona | 4,882.22 mi (7,857.18 km) |
| Noblesville to Orvieto | 4,773.30 mi (7,681.89 km) |
| Noblesville to Orzinuovi | 4,578.90 mi (7,369.02 km) |
| Noblesville to Osimo | 4,798.27 mi (7,722.07 km) |
| Noblesville to Ospitaletto | 4,578.58 mi (7,368.51 km) |
| Noblesville to Ostuni | 5,080.68 mi (8,176.56 km) |
| Noblesville to Ottaviano | 4,948.18 mi (7,963.33 km) |
| Noblesville to Ovada | 4,555.50 mi (7,331.37 km) |
| Noblesville to Ozieri | 4,727.64 mi (7,608.40 km) |
| Noblesville to Paceco | 4,986.77 mi (8,025.43 km) |
