| Broomfield to Orbetello | 5,489.82 mi (8,835.02 km) |
| Broomfield to Oria | 5,812.80 mi (9,354.80 km) |
| Broomfield to Oristano | 5,517.44 mi (8,879.46 km) |
| Broomfield to Orta Nova | 5,703.63 mi (9,179.10 km) |
| Broomfield to Orte | 5,530.37 mi (8,900.27 km) |
| Broomfield to Ortona | 5,606.13 mi (9,022.19 km) |
| Broomfield to Orvieto | 5,507.79 mi (8,863.93 km) |
| Broomfield to Orzinuovi | 5,300.09 mi (8,529.66 km) |
| Broomfield to Osimo | 5,517.17 mi (8,879.03 km) |
| Broomfield to Ospitaletto | 5,297.41 mi (8,525.36 km) |
| Broomfield to Ostuni | 5,798.83 mi (9,332.32 km) |
| Broomfield to Ottaviano | 5,685.36 mi (9,149.70 km) |
| Broomfield to Ovada | 5,291.57 mi (8,515.96 km) |
| Broomfield to Ozieri | 5,499.99 mi (8,851.38 km) |
| Broomfield to Paceco | 5,761.05 mi (9,271.52 km) |
