| Battle Creek to Orbetello | 4,619.93 mi (7,435.05 km) |
| Battle Creek to Oria | 4,962.85 mi (7,986.94 km) |
| Battle Creek to Oristano | 4,615.48 mi (7,427.90 km) |
| Battle Creek to Orta Nova | 4,849.11 mi (7,803.89 km) |
| Battle Creek to Orte | 4,666.70 mi (7,510.32 km) |
| Battle Creek to Ortona | 4,752.33 mi (7,648.14 km) |
| Battle Creek to Orvieto | 4,644.72 mi (7,474.96 km) |
| Battle Creek to Orzinuovi | 4,447.99 mi (7,158.35 km) |
| Battle Creek to Osimo | 4,667.50 mi (7,511.62 km) |
| Battle Creek to Ospitaletto | 4,447.35 mi (7,157.31 km) |
| Battle Creek to Ostuni | 4,950.37 mi (7,966.86 km) |
| Battle Creek to Ottaviano | 4,820.36 mi (7,757.62 km) |
| Battle Creek to Ovada | 4,426.71 mi (7,124.10 km) |
| Battle Creek to Ozieri | 4,604.97 mi (7,410.98 km) |
| Battle Creek to Paceco | 4,864.94 mi (7,829.37 km) |
