| Allendale to Orbetello | 4,620.46 mi (7,435.92 km) |
| Allendale to Oria | 4,961.67 mi (7,985.03 km) |
| Allendale to Oristano | 4,619.66 mi (7,434.63 km) |
| Allendale to Orta Nova | 4,848.27 mi (7,802.53 km) |
| Allendale to Orte | 4,666.61 mi (7,510.19 km) |
| Allendale to Ortona | 4,751.30 mi (7,646.49 km) |
| Allendale to Orvieto | 4,644.55 mi (7,474.68 km) |
| Allendale to Orzinuovi | 4,446.43 mi (7,155.84 km) |
| Allendale to Osimo | 4,665.95 mi (7,509.12 km) |
| Allendale to Ospitaletto | 4,445.57 mi (7,154.45 km) |
| Allendale to Ostuni | 4,949.02 mi (7,964.68 km) |
| Allendale to Ottaviano | 4,820.59 mi (7,757.99 km) |
| Allendale to Ovada | 4,426.47 mi (7,123.72 km) |
| Allendale to Ozieri | 4,608.32 mi (7,416.37 km) |
| Allendale to Paceco | 4,868.68 mi (7,835.39 km) |
