| Burnley to Orbetello | 996.76 mi (1,604.14 km) |
| Burnley to Oria | 1,301.41 mi (2,094.41 km) |
| Burnley to Oristano | 1,084.63 mi (1,745.54 km) |
| Burnley to Orta Nova | 1,194.27 mi (1,922.00 km) |
| Burnley to Orte | 1,029.47 mi (1,656.77 km) |
| Burnley to Ortona | 1,097.22 mi (1,765.81 km) |
| Burnley to Orvieto | 1,006.81 mi (1,620.30 km) |
| Burnley to Orzinuovi | 793.85 mi (1,277.58 km) |
| Burnley to Osimo | 1,007.15 mi (1,620.85 km) |
| Burnley to Ospitaletto | 789.81 mi (1,271.07 km) |
| Burnley to Ostuni | 1,287.18 mi (2,071.52 km) |
| Burnley to Ottaviano | 1,182.69 mi (1,903.36 km) |
| Burnley to Ovada | 799.02 mi (1,285.90 km) |
| Burnley to Ozieri | 1,051.37 mi (1,692.02 km) |
| Burnley to Paceco | 1,297.75 mi (2,088.53 km) |
