| Dunmore to Orbetello | 4,249.51 mi (6,838.93 km) |
| Dunmore to Oria | 4,600.60 mi (7,403.96 km) |
| Dunmore to Oristano | 4,225.03 mi (6,799.52 km) |
| Dunmore to Orta Nova | 4,485.44 mi (7,218.61 km) |
| Dunmore to Orte | 4,299.58 mi (6,919.50 km) |
| Dunmore to Ortona | 4,390.24 mi (7,065.40 km) |
| Dunmore to Orvieto | 4,278.24 mi (6,885.16 km) |
| Dunmore to Orzinuovi | 4,090.72 mi (6,583.38 km) |
| Dunmore to Osimo | 4,308.94 mi (6,934.57 km) |
| Dunmore to Ospitaletto | 4,091.34 mi (6,584.38 km) |
| Dunmore to Ostuni | 4,589.16 mi (7,385.53 km) |
| Dunmore to Ottaviano | 4,450.67 mi (7,162.67 km) |
| Dunmore to Ovada | 4,061.74 mi (6,536.73 km) |
| Dunmore to Ozieri | 4,219.01 mi (6,789.84 km) |
| Dunmore to Paceco | 4,475.74 mi (7,203.01 km) |
