| Boxley to Orbetello | 791.43 mi (1,273.69 km) |
| Boxley to Oria | 1,105.14 mi (1,778.55 km) |
| Boxley to Oristano | 877.05 mi (1,411.48 km) |
| Boxley to Orta Nova | 995.67 mi (1,602.38 km) |
| Boxley to Orte | 826.27 mi (1,329.75 km) |
| Boxley to Ortona | 898.21 mi (1,445.53 km) |
| Boxley to Orvieto | 803.58 mi (1,293.24 km) |
| Boxley to Orzinuovi | 592.63 mi (953.74 km) |
| Boxley to Osimo | 809.19 mi (1,302.27 km) |
| Boxley to Ospitaletto | 589.56 mi (948.80 km) |
| Boxley to Ostuni | 1,091.42 mi (1,756.46 km) |
| Boxley to Ottaviano | 980.43 mi (1,577.85 km) |
| Boxley to Ovada | 592.96 mi (954.27 km) |
| Boxley to Ozieri | 843.44 mi (1,357.39 km) |
| Boxley to Paceco | 1,090.18 mi (1,754.47 km) |
