| Hollins to Orbetello | 4,600.55 mi (7,403.86 km) |
| Hollins to Oria | 4,953.40 mi (7,971.72 km) |
| Hollins to Oristano | 4,569.28 mi (7,353.55 km) |
| Hollins to Orta Nova | 4,838.01 mi (7,786.03 km) |
| Hollins to Orte | 4,651.49 mi (7,485.84 km) |
| Hollins to Ortona | 4,743.38 mi (7,633.73 km) |
| Hollins to Orvieto | 4,630.36 mi (7,451.84 km) |
| Hollins to Orzinuovi | 4,445.54 mi (7,154.41 km) |
| Hollins to Osimo | 4,663.12 mi (7,504.56 km) |
| Hollins to Ospitaletto | 4,446.46 mi (7,155.89 km) |
| Hollins to Ostuni | 4,942.24 mi (7,953.77 km) |
| Hollins to Ottaviano | 4,801.59 mi (7,727.42 km) |
| Hollins to Ovada | 4,414.63 mi (7,104.66 km) |
| Hollins to Ozieri | 4,564.97 mi (7,346.61 km) |
| Hollins to Paceco | 4,819.98 mi (7,757.01 km) |
